Attachment 107769 Details for Bug 84962 – dmesg with debug

dmesg with debug

dmesg.log (text/plain), 247.34 KB, created by Timo Aaltonen on 2014-10-13 09:45:39 UTC

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Description:

Filename:

MIME Type:

Creator: Timo Aaltonen

Created: 2014-10-13 09:45:39 UTC

Size: 247.34 KB

patch

obsolete

>[  225.849719] [drm:intel_display_power_get] enabling display
>[  225.849724] [drm:hsw_set_power_well] Enabling power well
>[  226.858832] [drm:intel_display_power_put] disabling display
>[  226.858837] [drm:hsw_set_power_well] Requesting to disable the power well
>[  226.890775] [drm:intel_display_power_get] enabling display
>[  226.890780] [drm:hsw_set_power_well] Enabling power well
>[  227.899868] [drm:intel_display_power_put] disabling display
>[  227.899873] [drm:hsw_set_power_well] Requesting to disable the power well
>[  227.931807] [drm:intel_display_power_get] enabling display
>[  227.931812] [drm:hsw_set_power_well] Enabling power well
>[  228.932910] [drm:intel_display_power_put] disabling display
>[  228.932915] [drm:hsw_set_power_well] Requesting to disable the power well
>[  228.964843] [drm:intel_display_power_get] enabling display
>[  228.964848] [drm:hsw_set_power_well] Enabling power well
>[  229.973955] [drm:intel_display_power_put] disabling display
>[  229.973960] [drm:hsw_set_power_well] Requesting to disable the power well
>[  230.005877] [drm:intel_display_power_get] enabling display
>[  230.005882] [drm:hsw_set_power_well] Enabling power well
>[  231.015009] [drm:intel_display_power_put] disabling display
>[  231.015015] [drm:hsw_set_power_well] Requesting to disable the power well
>[  231.046928] [drm:intel_display_power_get] enabling display
>[  231.046933] [drm:hsw_set_power_well] Enabling power well
>[  232.056050] [drm:intel_display_power_put] disabling display
>[  232.056056] [drm:hsw_set_power_well] Requesting to disable the power well
>[  232.272170] [drm:intel_display_power_get] enabling display
>[  232.272174] [drm:hsw_set_power_well] Enabling power well
>[  233.281270] [drm:intel_display_power_put] disabling display
>[  233.281274] [drm:hsw_set_power_well] Requesting to disable the power well
>[  233.313202] [drm:intel_display_power_get] enabling display
>[  233.313206] [drm:hsw_set_power_well] Enabling power well
>[  234.322302] [drm:intel_display_power_put] disabling display
>[  234.322307] [drm:hsw_set_power_well] Requesting to disable the power well
>[  234.354260] [drm:intel_display_power_get] enabling display
>[  234.354264] [drm:hsw_set_power_well] Enabling power well
>[  235.363355] [drm:intel_display_power_put] disabling display
>[  235.363360] [drm:hsw_set_power_well] Requesting to disable the power well
>[  235.395296] [drm:intel_display_power_get] enabling display
>[  235.395301] [drm:hsw_set_power_well] Enabling power well
>[  236.396410] [drm:intel_display_power_put] disabling display
>[  236.396414] [drm:hsw_set_power_well] Requesting to disable the power well
>[  236.428318] [drm:intel_display_power_get] enabling display
>[  236.428322] [drm:hsw_set_power_well] Enabling power well
>[  237.437428] [drm:intel_display_power_put] disabling display
>[  237.437433] [drm:hsw_set_power_well] Requesting to disable the power well
>[  237.469358] [drm:intel_display_power_get] enabling display
>[  237.469363] [drm:hsw_set_power_well] Enabling power well
>[  238.478484] [drm:intel_display_power_put] disabling display
>[  238.478489] [drm:hsw_set_power_well] Requesting to disable the power well
>[  238.510420] [drm:intel_display_power_get] enabling display
>[  238.510425] [drm:hsw_set_power_well] Enabling power well
>[  239.519508] [drm:intel_display_power_put] disabling display
>[  239.519513] [drm:hsw_set_power_well] Requesting to disable the power well
>[  239.551450] [drm:intel_display_power_get] enabling display
>[  239.551454] [drm:hsw_set_power_well] Enabling power well
>[  240.560573] [drm:intel_display_power_put] disabling display
>[  240.560578] [drm:hsw_set_power_well] Requesting to disable the power well
>[  240.592492] [drm:intel_display_power_get] enabling display
>[  240.592496] [drm:hsw_set_power_well] Enabling power well
>[  241.601615] [drm:intel_display_power_put] disabling display
>[  241.601619] [drm:hsw_set_power_well] Requesting to disable the power well
>[  241.633432] [drm:intel_display_power_get] enabling display
>[  241.633436] [drm:hsw_set_power_well] Enabling power well
>[  242.642651] [drm:intel_display_power_put] disabling display
>[  242.642655] [drm:hsw_set_power_well] Requesting to disable the power well
>[  242.674576] [drm:intel_display_power_get] enabling display
>[  242.674580] [drm:hsw_set_power_well] Enabling power well
>[  243.683689] [drm:intel_display_power_put] disabling display
>[  243.683694] [drm:hsw_set_power_well] Requesting to disable the power well
>[  243.715625] [drm:intel_display_power_get] enabling display
>[  243.715629] [drm:hsw_set_power_well] Enabling power well
>[  244.724742] [drm:intel_display_power_put] disabling display
>[  244.724747] [drm:hsw_set_power_well] Requesting to disable the power well
>[  244.756670] [drm:intel_display_power_get] enabling display
>[  244.756675] [drm:hsw_set_power_well] Enabling power well
>[  245.757776] [drm:intel_display_power_put] disabling display
>[  245.757781] [drm:hsw_set_power_well] Requesting to disable the power well
>[  245.789715] [drm:intel_display_power_get] enabling display
>[  245.789719] [drm:hsw_set_power_well] Enabling power well
>[  246.798827] [drm:intel_display_power_put] disabling display
>[  246.798832] [drm:hsw_set_power_well] Requesting to disable the power well
>[  246.830757] [drm:intel_display_power_get] enabling display
>[  246.830762] [drm:hsw_set_power_well] Enabling power well
>[  247.839870] [drm:intel_display_power_put] disabling display
>[  247.839875] [drm:hsw_set_power_well] Requesting to disable the power well
>[  247.871793] [drm:intel_display_power_get] enabling display
>[  247.871797] [drm:hsw_set_power_well] Enabling power well
>[  248.880906] [drm:intel_display_power_put] disabling display
>[  248.880911] [drm:hsw_set_power_well] Requesting to disable the power well
>[  248.912845] [drm:intel_display_power_get] enabling display
>[  248.912850] [drm:hsw_set_power_well] Enabling power well
>[  249.921955] [drm:intel_display_power_put] disabling display
>[  249.921960] [drm:hsw_set_power_well] Requesting to disable the power well
>[  249.953871] [drm:intel_display_power_get] enabling display
>[  249.953876] [drm:hsw_set_power_well] Enabling power well
>[  250.954985] [drm:intel_display_power_put] disabling display
>[  250.954990] [drm:hsw_set_power_well] Requesting to disable the power well
>[  250.986910] [drm:intel_display_power_get] enabling display
>[  250.986915] [drm:hsw_set_power_well] Enabling power well
>[  251.996029] [drm:intel_display_power_put] disabling display
>[  251.996033] [drm:hsw_set_power_well] Requesting to disable the power well
>[  252.027954] [drm:intel_display_power_get] enabling display
>[  252.027958] [drm:hsw_set_power_well] Enabling power well
>[  253.028972] [drm:intel_display_power_put] disabling display
>[  253.028977] [drm:hsw_set_power_well] Requesting to disable the power well
>[  253.060985] [drm:intel_display_power_get] enabling display
>[  253.060990] [drm:hsw_set_power_well] Enabling power well
>[  254.070116] [drm:intel_display_power_put] disabling display
>[  254.070122] [drm:hsw_set_power_well] Requesting to disable the power well
>[  254.286215] [drm:intel_display_power_get] enabling display
>[  254.286219] [drm:hsw_set_power_well] Enabling power well
>[  255.287306] [drm:intel_display_power_put] disabling display
>[  255.287312] [drm:hsw_set_power_well] Requesting to disable the power well
>[  255.319248] [drm:intel_display_power_get] enabling display
>[  255.319252] [drm:hsw_set_power_well] Enabling power well
>[  256.328376] [drm:intel_display_power_put] disabling display
>[  256.328381] [drm:hsw_set_power_well] Requesting to disable the power well
>[  256.360302] [drm:intel_display_power_get] enabling display
>[  256.360307] [drm:hsw_set_power_well] Enabling power well
>[  257.369420] [drm:intel_display_power_put] disabling display
>[  257.369425] [drm:hsw_set_power_well] Requesting to disable the power well
>[  257.401335] [drm:intel_display_power_get] enabling display
>[  257.401340] [drm:hsw_set_power_well] Enabling power well
>[  258.410346] [drm:intel_display_power_put] disabling display
>[  258.410352] [drm:hsw_set_power_well] Requesting to disable the power well
>[  258.626567] [drm:intel_display_power_get] enabling display
>[  258.626572] [drm:hsw_set_power_well] Enabling power well
>[  259.635687] [drm:intel_display_power_put] disabling display
>[  259.635692] [drm:hsw_set_power_well] Requesting to disable the power well
>[  259.667617] [drm:intel_display_power_get] enabling display
>[  259.667622] [drm:hsw_set_power_well] Enabling power well
>[  260.676722] [drm:intel_display_power_put] disabling display
>[  260.676728] [drm:hsw_set_power_well] Requesting to disable the power well
>[  260.708655] [drm:intel_display_power_get] enabling display
>[  260.708660] [drm:hsw_set_power_well] Enabling power well
>[  261.709756] [drm:intel_display_power_put] disabling display
>[  261.709761] [drm:hsw_set_power_well] Requesting to disable the power well
>[  261.741689] [drm:intel_display_power_get] enabling display
>[  261.741693] [drm:hsw_set_power_well] Enabling power well
>[  262.750812] [drm:intel_display_power_put] disabling display
>[  262.750817] [drm:hsw_set_power_well] Requesting to disable the power well
>[  262.782736] [drm:intel_display_power_get] enabling display
>[  262.782740] [drm:hsw_set_power_well] Enabling power well
>[  263.791857] [drm:intel_display_power_put] disabling display
>[  263.791862] [drm:hsw_set_power_well] Requesting to disable the power well
>[  263.823779] [drm:intel_display_power_get] enabling display
>[  263.823783] [drm:hsw_set_power_well] Enabling power well
>[  264.832901] [drm:intel_display_power_put] disabling display
>[  264.832907] [drm:hsw_set_power_well] Requesting to disable the power well
>[  264.864815] [drm:intel_display_power_get] enabling display
>[  264.864820] [drm:hsw_set_power_well] Enabling power well
>[  265.873932] [drm:intel_display_power_put] disabling display
>[  265.873938] [drm:hsw_set_power_well] Requesting to disable the power well
>[  265.905864] [drm:intel_display_power_get] enabling display
>[  265.905869] [drm:hsw_set_power_well] Enabling power well
>[  266.906969] [drm:intel_display_power_put] disabling display
>[  266.906974] [drm:hsw_set_power_well] Requesting to disable the power well
>[  266.938892] [drm:intel_display_power_get] enabling display
>[  266.938897] [drm:hsw_set_power_well] Enabling power well
>[  267.948013] [drm:intel_display_power_put] disabling display
>[  267.948018] [drm:hsw_set_power_well] Requesting to disable the power well
>[  267.979941] [drm:intel_display_power_get] enabling display
>[  267.979947] [drm:hsw_set_power_well] Enabling power well
>[  268.989046] [drm:intel_display_power_put] disabling display
>[  268.989051] [drm:hsw_set_power_well] Requesting to disable the power well
>[  269.020979] [drm:intel_display_power_get] enabling display
>[  269.020984] [drm:hsw_set_power_well] Enabling power well
>[  270.030100] [drm:intel_display_power_put] disabling display
>[  270.030105] [drm:hsw_set_power_well] Requesting to disable the power well
>[  270.062025] [drm:intel_display_power_get] enabling display
>[  270.062029] [drm:hsw_set_power_well] Enabling power well
>[  271.071127] [drm:intel_display_power_put] disabling display
>[  271.071133] [drm:hsw_set_power_well] Requesting to disable the power well
>[  271.103071] [drm:intel_display_power_get] enabling display
>[  271.103075] [drm:hsw_set_power_well] Enabling power well
>[  272.104176] [drm:intel_display_power_put] disabling display
>[  272.104181] [drm:hsw_set_power_well] Requesting to disable the power well
>[  272.136102] [drm:intel_display_power_get] enabling display
>[  272.136107] [drm:hsw_set_power_well] Enabling power well
>[  273.145222] [drm:intel_display_power_put] disabling display
>[  273.145227] [drm:hsw_set_power_well] Requesting to disable the power well
>[  273.177172] [drm:intel_display_power_get] enabling display
>[  273.177177] [drm:hsw_set_power_well] Enabling power well
>[  274.186260] [drm:intel_display_power_put] disabling display
>[  274.186265] [drm:hsw_set_power_well] Requesting to disable the power well
>[  274.218192] [drm:intel_display_power_get] enabling display
>[  274.218197] [drm:hsw_set_power_well] Enabling power well
>[  275.227298] [drm:intel_display_power_put] disabling display
>[  275.227303] [drm:hsw_set_power_well] Requesting to disable the power well
>[  275.259239] [drm:intel_display_power_get] enabling display
>[  275.259244] [drm:hsw_set_power_well] Enabling power well
>[  276.268356] [drm:intel_display_power_put] disabling display
>[  276.268360] [drm:hsw_set_power_well] Requesting to disable the power well
>[  276.300279] [drm:intel_display_power_get] enabling display
>[  276.300283] [drm:hsw_set_power_well] Enabling power well
>[  277.309391] [drm:intel_display_power_put] disabling display
>[  277.309395] [drm:hsw_set_power_well] Requesting to disable the power well
>[  277.341324] [drm:intel_display_power_get] enabling display
>[  277.341328] [drm:hsw_set_power_well] Enabling power well
>[  278.350427] [drm:intel_display_power_put] disabling display
>[  278.350432] [drm:hsw_set_power_well] Requesting to disable the power well
>[  278.382366] [drm:intel_display_power_get] enabling display
>[  278.382371] [drm:hsw_set_power_well] Enabling power well
>[  279.391488] [drm:intel_display_power_put] disabling display
>[  279.391494] [drm:hsw_set_power_well] Requesting to disable the power well
>[  279.423413] [drm:intel_display_power_get] enabling display
>[  279.423418] [drm:hsw_set_power_well] Enabling power well
>[  280.432515] [drm:intel_display_power_put] disabling display
>[  280.432519] [drm:hsw_set_power_well] Requesting to disable the power well
>[  280.464460] [drm:intel_display_power_get] enabling display
>[  280.464465] [drm:hsw_set_power_well] Enabling power well
>[  281.473552] [drm:intel_display_power_put] disabling display
>[  281.473557] [drm:hsw_set_power_well] Requesting to disable the power well
>[  281.505498] [drm:intel_display_power_get] enabling display
>[  281.505504] [drm:hsw_set_power_well] Enabling power well
>[  282.514619] [drm:intel_display_power_put] disabling display
>[  282.514625] [drm:hsw_set_power_well] Requesting to disable the power well
>[  282.546545] [drm:intel_display_power_get] enabling display
>[  282.546549] [drm:hsw_set_power_well] Enabling power well
>[  283.555642] [drm:intel_display_power_put] disabling display
>[  283.555646] [drm:hsw_set_power_well] Requesting to disable the power well
>[  283.587586] [drm:intel_display_power_get] enabling display
>[  283.587590] [drm:hsw_set_power_well] Enabling power well
>[  284.588691] [drm:intel_display_power_put] disabling display
>[  284.588696] [drm:hsw_set_power_well] Requesting to disable the power well
>[  284.620616] [drm:intel_display_power_get] enabling display
>[  284.620620] [drm:hsw_set_power_well] Enabling power well
>[  285.629740] [drm:intel_display_power_put] disabling display
>[  285.629746] [drm:hsw_set_power_well] Requesting to disable the power well
>[  285.661661] [drm:intel_display_power_get] enabling display
>[  285.661666] [drm:hsw_set_power_well] Enabling power well
>[  286.670779] [drm:intel_display_power_put] disabling display
>[  286.670784] [drm:hsw_set_power_well] Requesting to disable the power well
>[  286.702705] [drm:intel_display_power_get] enabling display
>[  286.702710] [drm:hsw_set_power_well] Enabling power well
>[  287.711839] [drm:intel_display_power_put] disabling display
>[  287.711844] [drm:hsw_set_power_well] Requesting to disable the power well
>[  287.743751] [drm:intel_display_power_get] enabling display
>[  287.743755] [drm:hsw_set_power_well] Enabling power well
>[  288.752875] [drm:intel_display_power_put] disabling display
>[  288.752880] [drm:hsw_set_power_well] Requesting to disable the power well
>[  288.784786] [drm:intel_display_power_get] enabling display
>[  288.784790] [drm:hsw_set_power_well] Enabling power well
>[  289.793911] [drm:intel_display_power_put] disabling display
>[  289.793916] [drm:hsw_set_power_well] Requesting to disable the power well
>[  289.825835] [drm:intel_display_power_get] enabling display
>[  289.825840] [drm:hsw_set_power_well] Enabling power well
>[  290.834954] [drm:intel_display_power_put] disabling display
>[  290.834958] [drm:hsw_set_power_well] Requesting to disable the power well
>[  290.866873] [drm:intel_display_power_get] enabling display
>[  290.866878] [drm:hsw_set_power_well] Enabling power well
>[  291.875996] [drm:intel_display_power_put] disabling display
>[  291.876001] [drm:hsw_set_power_well] Requesting to disable the power well
>[  291.907917] [drm:intel_display_power_get] enabling display
>[  291.907921] [drm:hsw_set_power_well] Enabling power well
>[  292.917043] [drm:intel_display_power_put] disabling display
>[  292.917048] [drm:hsw_set_power_well] Requesting to disable the power well
>[  292.948967] [drm:intel_display_power_get] enabling display
>[  292.948971] [drm:hsw_set_power_well] Enabling power well
>[  293.958087] [drm:intel_display_power_put] disabling display
>[  293.958094] [drm:hsw_set_power_well] Requesting to disable the power well
>[  293.990008] [drm:intel_display_power_get] enabling display
>[  293.990013] [drm:hsw_set_power_well] Enabling power well
>[  294.999125] [drm:intel_display_power_put] disabling display
>[  294.999130] [drm:hsw_set_power_well] Requesting to disable the power well
>[  295.031056] [drm:intel_display_power_get] enabling display
>[  295.031060] [drm:hsw_set_power_well] Enabling power well
>[  296.040182] [drm:intel_display_power_put] disabling display
>[  296.040187] [drm:hsw_set_power_well] Requesting to disable the power well
>[  296.072090] [drm:intel_display_power_get] enabling display
>[  296.072094] [drm:hsw_set_power_well] Enabling power well
>[  297.081212] [drm:intel_display_power_put] disabling display
>[  297.081217] [drm:hsw_set_power_well] Requesting to disable the power well
>[  297.113138] [drm:intel_display_power_get] enabling display
>[  297.113144] [drm:hsw_set_power_well] Enabling power well
>[  298.122252] [drm:intel_display_power_put] disabling display
>[  298.122257] [drm:hsw_set_power_well] Requesting to disable the power well
>[  298.154193] [drm:intel_display_power_get] enabling display
>[  298.154197] [drm:hsw_set_power_well] Enabling power well
>[  299.163299] [drm:intel_display_power_put] disabling display
>[  299.163304] [drm:hsw_set_power_well] Requesting to disable the power well
>[  299.195239] [drm:intel_display_power_get] enabling display
>[  299.195244] [drm:hsw_set_power_well] Enabling power well
>[  299.448600] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=852/852
>[  299.448604] [drm:intel_panel_actually_set_backlight] set backlight PWM = 852
>[  300.006102] [drm:add_framebuffer_internal] [FB:45]
>[  300.196344] [drm:intel_display_power_put] disabling display
>[  300.196349] [drm:hsw_set_power_well] Requesting to disable the power well
>[  300.228285] [drm:intel_display_power_get] enabling display
>[  300.228289] [drm:hsw_set_power_well] Enabling power well
>[  300.734567] [drm:intel_crtc_cursor_set_obj] cursor off
>[  301.237267] [drm:intel_display_power_put] disabling display
>[  301.237273] [drm:hsw_set_power_well] Requesting to disable the power well
>[  301.269306] [drm:intel_display_power_get] enabling display
>[  301.269310] [drm:hsw_set_power_well] Enabling power well
>[  302.278431] [drm:intel_display_power_put] disabling display
>[  302.278436] [drm:hsw_set_power_well] Requesting to disable the power well
>[  302.310365] [drm:intel_display_power_get] enabling display
>[  302.310369] [drm:hsw_set_power_well] Enabling power well
>[  303.311495] [drm:intel_display_power_put] disabling display
>[  303.311501] [drm:hsw_set_power_well] Requesting to disable the power well
>[  303.343385] [drm:intel_display_power_get] enabling display
>[  303.343389] [drm:hsw_set_power_well] Enabling power well
>[  304.352500] [drm:intel_display_power_put] disabling display
>[  304.352505] [drm:hsw_set_power_well] Requesting to disable the power well
>[  304.384419] [drm:intel_display_power_get] enabling display
>[  304.384424] [drm:hsw_set_power_well] Enabling power well
>[  305.393540] [drm:intel_display_power_put] disabling display
>[  305.393545] [drm:hsw_set_power_well] Requesting to disable the power well
>[  305.425469] [drm:intel_display_power_get] enabling display
>[  305.425474] [drm:hsw_set_power_well] Enabling power well
>[  306.426579] [drm:intel_display_power_put] disabling display
>[  306.426584] [drm:hsw_set_power_well] Requesting to disable the power well
>[  306.642693] [drm:intel_display_power_get] enabling display
>[  306.642699] [drm:hsw_set_power_well] Enabling power well
>[  307.651820] [drm:intel_display_power_put] disabling display
>[  307.651824] [drm:hsw_set_power_well] Requesting to disable the power well
>[  307.867916] [drm:intel_display_power_get] enabling display
>[  307.867921] [drm:hsw_set_power_well] Enabling power well
>[  308.876931] [drm:intel_display_power_put] disabling display
>[  308.876935] [drm:hsw_set_power_well] Requesting to disable the power well
>[  308.908961] [drm:intel_display_power_get] enabling display
>[  308.908966] [drm:hsw_set_power_well] Enabling power well
>[  309.918092] [drm:intel_display_power_put] disabling display
>[  309.918099] [drm:hsw_set_power_well] Requesting to disable the power well
>[  309.949999] [drm:intel_display_power_get] enabling display
>[  309.950004] [drm:hsw_set_power_well] Enabling power well
>[  310.158719] [drm:add_framebuffer_internal] [FB:46]
>[  310.369302] [drm:intel_crtc_cursor_set_obj] cursor off
>[  310.951119] [drm:intel_display_power_put] disabling display
>[  310.951124] [drm:hsw_set_power_well] Requesting to disable the power well
>[  310.983033] [drm:intel_display_power_get] enabling display
>[  310.983037] [drm:hsw_set_power_well] Enabling power well
>[  311.984143] [drm:intel_display_power_put] disabling display
>[  311.984148] [drm:hsw_set_power_well] Requesting to disable the power well
>[  312.200273] [drm:intel_display_power_get] enabling display
>[  312.200277] [drm:hsw_set_power_well] Enabling power well
>[  313.201371] [drm:intel_display_power_put] disabling display
>[  313.201376] [drm:hsw_set_power_well] Requesting to disable the power well
>[  313.233200] [drm:intel_display_power_get] enabling display
>[  313.233204] [drm:hsw_set_power_well] Enabling power well
>[  314.242408] [drm:intel_display_power_put] disabling display
>[  314.242414] [drm:hsw_set_power_well] Requesting to disable the power well
>[  314.458517] [drm:intel_display_power_get] enabling display
>[  314.458522] [drm:hsw_set_power_well] Enabling power well
>[  315.467663] [drm:intel_display_power_put] disabling display
>[  315.467668] [drm:hsw_set_power_well] Requesting to disable the power well
>[  315.683751] [drm:intel_display_power_get] enabling display
>[  315.683755] [drm:hsw_set_power_well] Enabling power well
>[  316.692760] [drm:intel_display_power_put] disabling display
>[  316.692765] [drm:hsw_set_power_well] Requesting to disable the power well
>[  316.724805] [drm:intel_display_power_get] enabling display
>[  316.724810] [drm:hsw_set_power_well] Enabling power well
>[  317.733777] [drm:intel_display_power_put] disabling display
>[  317.733782] [drm:hsw_set_power_well] Requesting to disable the power well
>[  317.765838] [drm:intel_display_power_get] enabling display
>[  317.765843] [drm:hsw_set_power_well] Enabling power well
>[  318.774941] [drm:intel_display_power_put] disabling display
>[  318.774946] [drm:hsw_set_power_well] Requesting to disable the power well
>[  318.806756] [drm:intel_display_power_get] enabling display
>[  318.806760] [drm:hsw_set_power_well] Enabling power well
>[  319.807934] [drm:intel_display_power_put] disabling display
>[  319.807939] [drm:hsw_set_power_well] Requesting to disable the power well
>[  319.839859] [drm:intel_display_power_get] enabling display
>[  319.839864] [drm:hsw_set_power_well] Enabling power well
>[  320.849033] [drm:intel_display_power_put] disabling display
>[  320.849038] [drm:hsw_set_power_well] Requesting to disable the power well
>[  320.880852] [drm:intel_display_power_get] enabling display
>[  320.880856] [drm:hsw_set_power_well] Enabling power well
>[  321.890082] [drm:intel_display_power_put] disabling display
>[  321.890088] [drm:hsw_set_power_well] Requesting to disable the power well
>[  321.922005] [drm:intel_display_power_get] enabling display
>[  321.922009] [drm:hsw_set_power_well] Enabling power well
>[  322.923108] [drm:intel_display_power_put] disabling display
>[  322.923113] [drm:hsw_set_power_well] Requesting to disable the power well
>[  322.955035] [drm:intel_display_power_get] enabling display
>[  322.955039] [drm:hsw_set_power_well] Enabling power well
>[  323.964148] [drm:intel_display_power_put] disabling display
>[  323.964153] [drm:hsw_set_power_well] Requesting to disable the power well
>[  323.995956] [drm:intel_display_power_get] enabling display
>[  323.995960] [drm:hsw_set_power_well] Enabling power well
>[  324.899229] SysRq : HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(V) show-blocked-tasks(w) dump-ftrace-buffer(z) 
>[  325.005187] [drm:intel_display_power_put] disabling display
>[  325.005192] [drm:hsw_set_power_well] Requesting to disable the power well
>[  325.037127] [drm:intel_display_power_get] enabling display
>[  325.037132] [drm:hsw_set_power_well] Enabling power well
>[  326.046240] [drm:intel_display_power_put] disabling display
>[  326.046245] [drm:hsw_set_power_well] Requesting to disable the power well
>[  326.262358] [drm:intel_display_power_get] enabling display
>[  326.262363] [drm:hsw_set_power_well] Enabling power well
>[  327.271471] [drm:intel_display_power_put] disabling display
>[  327.271476] [drm:hsw_set_power_well] Requesting to disable the power well
>[  327.303408] [drm:intel_display_power_get] enabling display
>[  327.303413] [drm:hsw_set_power_well] Enabling power well
>[  328.304517] [drm:intel_display_power_put] disabling display
>[  328.304522] [drm:hsw_set_power_well] Requesting to disable the power well
>[  328.336425] [drm:intel_display_power_get] enabling display
>[  328.336429] [drm:hsw_set_power_well] Enabling power well
>[  329.345548] [drm:intel_display_power_put] disabling display
>[  329.345553] [drm:hsw_set_power_well] Requesting to disable the power well
>[  329.377472] [drm:intel_display_power_get] enabling display
>[  329.377477] [drm:hsw_set_power_well] Enabling power well
>[  330.386596] [drm:intel_display_power_put] disabling display
>[  330.386601] [drm:hsw_set_power_well] Requesting to disable the power well
>[  330.418514] [drm:intel_display_power_get] enabling display
>[  330.418519] [drm:hsw_set_power_well] Enabling power well
>[  331.427639] [drm:intel_display_power_put] disabling display
>[  331.427644] [drm:hsw_set_power_well] Requesting to disable the power well
>[  331.459567] [drm:intel_display_power_get] enabling display
>[  331.459572] [drm:hsw_set_power_well] Enabling power well
>[  332.468678] [drm:intel_display_power_put] disabling display
>[  332.468683] [drm:hsw_set_power_well] Requesting to disable the power well
>[  332.500615] [drm:intel_display_power_get] enabling display
>[  332.500619] [drm:hsw_set_power_well] Enabling power well
>[  333.509710] [drm:intel_display_power_put] disabling display
>[  333.509716] [drm:hsw_set_power_well] Requesting to disable the power well
>[  333.541642] [drm:intel_display_power_get] enabling display
>[  333.541647] [drm:hsw_set_power_well] Enabling power well
>[  334.550773] [drm:intel_display_power_put] disabling display
>[  334.550778] [drm:hsw_set_power_well] Requesting to disable the power well
>[  334.582684] [drm:intel_display_power_get] enabling display
>[  334.582688] [drm:hsw_set_power_well] Enabling power well
>[  335.591809] [drm:intel_display_power_put] disabling display
>[  335.591815] [drm:hsw_set_power_well] Requesting to disable the power well
>[  335.623728] [drm:intel_display_power_get] enabling display
>[  335.623733] [drm:hsw_set_power_well] Enabling power well
>[  336.632838] [drm:intel_display_power_put] disabling display
>[  336.632844] [drm:hsw_set_power_well] Requesting to disable the power well
>[  336.664776] [drm:intel_display_power_get] enabling display
>[  336.664781] [drm:hsw_set_power_well] Enabling power well
>[  337.673875] [drm:intel_display_power_put] disabling display
>[  337.673880] [drm:hsw_set_power_well] Requesting to disable the power well
>[  337.705820] [drm:intel_display_power_get] enabling display
>[  337.705824] [drm:hsw_set_power_well] Enabling power well
>[  338.714936] [drm:intel_display_power_put] disabling display
>[  338.714940] [drm:hsw_set_power_well] Requesting to disable the power well
>[  338.746864] [drm:intel_display_power_get] enabling display
>[  338.746868] [drm:hsw_set_power_well] Enabling power well
>[  339.755985] [drm:intel_display_power_put] disabling display
>[  339.755990] [drm:hsw_set_power_well] Requesting to disable the power well
>[  339.787904] [drm:intel_display_power_get] enabling display
>[  339.787908] [drm:hsw_set_power_well] Enabling power well
>[  340.797014] [drm:intel_display_power_put] disabling display
>[  340.797019] [drm:hsw_set_power_well] Requesting to disable the power well
>[  340.828953] [drm:intel_display_power_get] enabling display
>[  340.828957] [drm:hsw_set_power_well] Enabling power well
>[  341.830042] [drm:intel_display_power_put] disabling display
>[  341.830048] [drm:hsw_set_power_well] Requesting to disable the power well
>[  341.861979] [drm:intel_display_power_get] enabling display
>[  341.861984] [drm:hsw_set_power_well] Enabling power well
>[  342.871107] [drm:intel_display_power_put] disabling display
>[  342.871113] [drm:hsw_set_power_well] Requesting to disable the power well
>[  342.903041] [drm:intel_display_power_get] enabling display
>[  342.903045] [drm:hsw_set_power_well] Enabling power well
>[  343.665057] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000, dig 0x10101012
>[  343.665062] [drm:intel_hpd_irq_handler] digital hpd port B - long
>[  343.665064] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 0
>[  343.665086] [drm:intel_dp_hpd_pulse] got hpd irq on port B - long
>[  343.665365] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  343.665366] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  343.665517] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  343.665523] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  343.665525] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event.
>[  343.665526] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event.
>[  343.665528] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  343.665793] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  343.665794] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  343.665945] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  343.705117] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  343.705119] [drm:intel_hpd_irq_event] [CONNECTOR:27:DP-1] status updated from disconnected to connected
>[  343.705121] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  343.705294] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  343.705296] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  343.706204] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  343.706515] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  343.706517] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  343.706670] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  343.745730] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  343.745752] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  343.745755] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[  343.745756] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[  343.745761] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  343.745767] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[  343.745933] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[  343.746098] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  343.746105] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  343.746107] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[  343.746110] [drm:drm_mode_debug_printmodeline] Modeline 20:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  343.746114] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  343.746115] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[  343.746133] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  343.746215] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  343.746314] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  343.746315] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  343.746336] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[  343.746337] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  343.746606] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  343.746608] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  343.746759] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  343.785918] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  343.785962] [drm:drm_edid_to_eld] ELD monitor 231PQPY
>[  343.785964] [drm:drm_edid_to_eld] ELD size 8, SAD count 1
>[  343.785983] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] probed modes :
>[  343.785985] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  343.785987] [drm:drm_mode_debug_printmodeline] Modeline 78:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  343.785989] [drm:drm_mode_debug_printmodeline] Modeline 71:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  343.785990] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  343.785992] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  343.785994] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  343.785995] [drm:drm_mode_debug_printmodeline] Modeline 53:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  343.785997] [drm:drm_mode_debug_printmodeline] Modeline 63:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  343.785999] [drm:drm_mode_debug_printmodeline] Modeline 56:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  343.786000] [drm:drm_mode_debug_printmodeline] Modeline 55:"1440x900" 75 136750 1440 1536 1688 1936 900 903 909 942 0x40 0x6
>[  343.786002] [drm:drm_mode_debug_printmodeline] Modeline 54:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  343.786004] [drm:drm_mode_debug_printmodeline] Modeline 50:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  343.786005] [drm:drm_mode_debug_printmodeline] Modeline 80:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  343.786007] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  343.786009] [drm:drm_mode_debug_printmodeline] Modeline 64:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  343.786010] [drm:drm_mode_debug_printmodeline] Modeline 65:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  343.786012] [drm:drm_mode_debug_printmodeline] Modeline 66:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  343.786014] [drm:drm_mode_debug_printmodeline] Modeline 57:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  343.786016] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  343.786017] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  343.786019] [drm:drm_mode_debug_printmodeline] Modeline 49:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  343.786021] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  343.786022] [drm:drm_mode_debug_printmodeline] Modeline 59:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  343.786024] [drm:drm_mode_debug_printmodeline] Modeline 60:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  343.786025] [drm:drm_mode_debug_printmodeline] Modeline 61:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  343.786027] [drm:drm_mode_debug_printmodeline] Modeline 67:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  343.786029] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  343.786035] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[  343.786039] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  343.786297] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  343.786299] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  343.786339] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[  343.786383] [drm:drm_mode_getconnector] [CONNECTOR:31:?]
>[  343.786509] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[  343.786674] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  343.786679] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[  343.786680] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  343.786837] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  343.786838] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  343.786839] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[  343.786843] [drm:drm_mode_getconnector] [CONNECTOR:34:?]
>[  343.786844] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[  343.786845] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[  343.786848] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[  343.786850] [drm:drm_mode_getconnector] [CONNECTOR:38:?]
>[  343.786851] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[  343.786852] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[  343.787079] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  343.787081] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  343.787082] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[  343.791442] [drm:drm_mode_addfb] [FB:68]
>[  343.796779] [drm:drm_mode_setcrtc] [CRTC:8]
>[  343.796785] [drm:drm_mode_setcrtc] [CONNECTOR:19:eDP-1]
>[  343.796787] [drm:intel_crtc_set_config] [CRTC:8] [FB:68] #connectors=1 (x y) (0 0)
>[  343.796791] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=1
>[  343.796793] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  343.811885] [drm:ironlake_update_primary_plane] Writing base 058CF000 00000000 0 0 17920
>[  343.826621] [drm:drm_mode_setcrtc] [CRTC:12]
>[  343.826625] [drm:drm_mode_setcrtc] [CONNECTOR:27:DP-1]
>[  343.826628] [drm:intel_crtc_set_config] [CRTC:12] [FB:68] #connectors=1 (x y) (2560 0)
>[  343.826630] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[  343.826632] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[  343.826634] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[  343.826636] [drm:drm_mode_debug_printmodeline] Modeline 69:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  343.826637] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=1
>[  343.826639] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  343.826641] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  343.826642] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:12]
>[  343.826643] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  343.826645] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[  343.826647] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[  343.826649] [drm:connected_sink_compute_bpp] [CONNECTOR:27:DP-1] checking for sink bpp constrains
>[  343.826651] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 148500KHz
>[  343.826654] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[  343.826656] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[  343.826658] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[  343.826659] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[  343.826660] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  343.826661] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  343.826663] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  343.826664] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[  343.826666] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  343.826667] [drm:intel_dump_pipe_config] requested mode:
>[  343.826669] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  343.826670] [drm:intel_dump_pipe_config] adjusted mode:
>[  343.826672] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  343.826674] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x0 flags: 0x5
>[  343.826675] [drm:intel_dump_pipe_config] port clock: 162000
>[  343.826676] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  343.826677] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  343.826679] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  343.826680] [drm:intel_dump_pipe_config] ips: 0
>[  343.826681] [drm:intel_dump_pipe_config] double wide: 0
>[  343.826700] [drm:intel_ddi_pre_enable] Audio on pipe B on DDI
>[  343.826701] [drm:intel_ddi_pre_enable] DDI audio: write eld information
>[  343.826703] [drm:intel_write_eld] ELD on [CONNECTOR:27:DP-1], [ENCODER:26:TMDS-26]
>[  343.826705] [drm:haswell_write_eld] HDMI audio: enable codec
>[  343.826708] [drm:haswell_write_eld] HDMI audio: pin eld vld status=0x00000040
>[  343.826709] [drm:haswell_write_eld] HDMI audio: eld vld status=0x00000050
>[  343.826711] [drm:haswell_write_eld] HDMI audio: audio conf: 0x0070fa60
>[  343.826712] [drm:haswell_write_eld] ELD on pipe B
>[  343.826713] [drm:haswell_write_eld] ELD: DisplayPort detected
>[  343.826716] [drm:haswell_write_eld] port num:0
>[  343.826717] [drm:haswell_write_eld] ELD size 8
>[  343.827797] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.828274] [drm:intel_dp_start_link_train] clock recovery OK
>[  343.829044] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.829804] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.830562] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.831323] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.832101] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.832862] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.833620] ------------[ cut here ]------------
>[  343.833650] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  343.833652] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  343.833684] CPU: 0 PID: 1335 Comm: Xorg Not tainted 3.17.0-997-generic #201410040349
>[  343.833685] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  343.833686]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  343.833689]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  343.833690]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  343.833693] Call Trace:
>[  343.833697]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  343.833700]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  343.833702]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  343.833719]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  343.833734]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  343.833748]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  343.833762]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  343.833775]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  343.833788]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  343.833801]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  343.833812]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  343.833822]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  343.833830]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  343.833840]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  343.833843]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  343.833845]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  343.833848]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  343.833850]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  343.833852]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  343.833853] ---[ end trace da0d50a401c56c9c ]---
>[  343.834769] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.835240] [drm:intel_dp_start_link_train] clock recovery OK
>[  343.836011] [drm:intel_dp_set_signal_levels] Using signal levels 04000000
>[  343.836771] [drm:intel_dp_set_signal_levels] Using signal levels 04000000
>[  343.837533] [drm:intel_dp_set_signal_levels] Using signal levels 04000000
>[  343.838291] [drm:intel_dp_set_signal_levels] Using signal levels 04000000
>[  343.839048] [drm:intel_dp_set_signal_levels] Using signal levels 04000000
>[  343.839815] [drm:intel_dp_set_signal_levels] Using signal levels 04000000
>[  343.840596] ------------[ cut here ]------------
>[  343.840613] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  343.840614] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  343.840644] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  343.840645] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  343.840646]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  343.840648]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  343.840649]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  343.840651] Call Trace:
>[  343.840654]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  343.840656]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  343.840658]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  343.840673]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  343.840687]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  343.840701]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  343.840714]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  343.840727]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  343.840740]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  343.840752]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  343.840762]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  343.840772]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  343.840779]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  343.840789]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  343.840791]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  343.840793]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  343.840796]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  343.840797]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  343.840799]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  343.840800] ---[ end trace da0d50a401c56c9d ]---
>[  343.841715] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.842187] [drm:intel_dp_start_link_train] clock recovery OK
>[  343.842956] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.843716] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.844499] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.845260] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.846018] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.846777] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.847536] ------------[ cut here ]------------
>[  343.847554] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  343.847555] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  343.847584] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  343.847585] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  343.847586]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  343.847588]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  343.847590]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  343.847592] Call Trace:
>[  343.847595]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  343.847597]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  343.847599]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  343.847613]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  343.847627]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  343.847641]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  343.847654]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  343.847667]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  343.847679]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  343.847691]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  343.847702]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  343.847712]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  343.847719]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  343.847728]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  343.847730]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  343.847733]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  343.847735]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  343.847737]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  343.847738]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  343.847740] ---[ end trace da0d50a401c56c9e ]---
>[  343.848672] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.849144] [drm:intel_dp_start_link_train] clock recovery OK
>[  343.849914] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.850674] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.851432] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.852209] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.852970] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.853729] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.854487] ------------[ cut here ]------------
>[  343.854502] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  343.854503] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  343.854532] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  343.854533] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  343.854534]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  343.854536]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  343.854538]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  343.854540] Call Trace:
>[  343.854542]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  343.854545]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  343.854546]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  343.854560]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  343.854574]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  343.854587]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  343.854600]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  343.854613]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  343.854625]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  343.854637]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  343.854647]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  343.854657]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  343.854664]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  343.854674]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  343.854676]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  343.854678]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  343.854680]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  343.854682]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  343.854684]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  343.854685] ---[ end trace da0d50a401c56c9f ]---
>[  343.855599] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.856072] [drm:intel_dp_start_link_train] clock recovery OK
>[  343.856842] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.857601] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.858377] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.859135] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.859897] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.860657] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.861415] ------------[ cut here ]------------
>[  343.861430] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  343.861431] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  343.861460] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  343.861461] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  343.861462]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  343.861464]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  343.861466]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  343.861468] Call Trace:
>[  343.861470]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  343.861472]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  343.861474]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  343.861488]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  343.861502]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  343.861515]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  343.861528]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  343.861541]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  343.861553]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  343.861565]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  343.861576]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  343.861585]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  343.861593]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  343.861602]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  343.861604]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  343.861606]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  343.861609]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  343.861610]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  343.861612]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  343.861613] ---[ end trace da0d50a401c56ca0 ]---
>[  343.862527] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.862998] [drm:intel_dp_start_link_train] clock recovery OK
>[  343.863767] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.864529] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.865290] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.866048] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.866810] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.867570] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.868347] ------------[ cut here ]------------
>[  343.868363] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  343.868364] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  343.868393] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  343.868394] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  343.868395]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  343.868397]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec 00000000000d4a3e
>[  343.868399]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  343.868400] Call Trace:
>[  343.868403]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  343.868405]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  343.868407]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  343.868421]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  343.868435]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  343.868448]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  343.868461]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  343.868474]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  343.868486]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  343.868498]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  343.868509]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  343.868518]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  343.868525]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  343.868535]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  343.868537]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  343.868539]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  343.868542]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  343.868543]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  343.868545]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  343.868546] ---[ end trace da0d50a401c56ca1 ]---
>[  343.869460] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  343.869932] [drm:intel_dp_start_link_train] clock recovery OK
>[  343.870117] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
>[  343.909270] [drm:ironlake_update_primary_plane] Writing base 058CF000 FFFFFFFFFFFEE800 0 0 17920
>[  344.008006] ------------[ cut here ]------------
>[  344.008029] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/drm_irq.c:1086 drm_wait_one_vblank+0x123/0x170 [drm]()
>[  344.008031] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  344.008067] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  344.008068] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  344.008069]  000000000000043e ffff8800ba2cba38 ffffffff81796a07 0000000000000007
>[  344.008072]  0000000000000000 ffff8800ba2cba78 ffffffff810749ec 0000000000000283
>[  344.008074]  ffff88021e9e2000 0000000000000001 0000000000000000 0000000000000000
>[  344.008076] Call Trace:
>[  344.008081]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  344.008085]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  344.008087]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  344.008096]  [<ffffffffc032eb03>] drm_wait_one_vblank+0x123/0x170 [drm]
>[  344.008099]  [<ffffffff810b3e60>] ? add_wait_queue+0x60/0x60
>[  344.008121]  [<ffffffffc041574f>] intel_enable_primary_hw_plane.isra.73+0x9f/0xb0 [i915]
>[  344.008139]  [<ffffffffc0418ac6>] intel_crtc_enable_planes+0x36/0xf0 [i915]
>[  344.008155]  [<ffffffffc041b388>] haswell_crtc_enable+0x218/0x320 [i915]
>[  344.008170]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  344.008185]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  344.008199]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  344.008211]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  344.008223]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  344.008231]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  344.008242]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  344.008245]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  344.008248]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  344.008251]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  344.008253]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  344.008255]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  344.008257] ---[ end trace da0d50a401c56ca2 ]---
>[  344.008266] [drm:intel_update_fbc] more than one pipe active, disabling compression
>[  344.008273] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[  344.008276] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  344.008280] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  344.008282] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  344.008284] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  344.008285] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  344.008286] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  344.008287] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  344.008289] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  344.008290] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  344.008291] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  344.008292] [drm:check_crtc_state] [CRTC:8]
>[  344.008299] [drm:check_crtc_state] [CRTC:12]
>[  344.008305] [drm:check_crtc_state] [CRTC:16]
>[  344.008307] [drm:check_shared_dpll_state] WRPLL 1
>[  344.008309] [drm:check_shared_dpll_state] WRPLL 2
>[  344.097754] [drm:drm_mode_addfb] [FB:69]
>[  346.750814] [drm:edp_panel_vdd_off_sync] Turning eDP VDD off
>[  346.750824] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[  357.911398] [drm:add_framebuffer_internal] [FB:42]
>[  362.333240] [drm:intel_crtc_cursor_set_obj] cursor off
>[  370.235673] [drm:add_framebuffer_internal] [FB:44]
>[  370.238223] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  370.238227] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[  370.238229] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[  370.238235] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  370.238242] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[  370.238432] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[  370.238599] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  370.238608] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  370.238611] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[  370.238613] [drm:drm_mode_debug_printmodeline] Modeline 20:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  370.238616] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  370.238710] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  370.238712] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[  370.238715] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  370.238987] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  370.238988] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  370.239137] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  370.278358] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  370.278402] [drm:drm_edid_to_eld] ELD monitor 231PQPY
>[  370.278404] [drm:drm_edid_to_eld] ELD size 8, SAD count 1
>[  370.278426] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] probed modes :
>[  370.278428] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  370.278430] [drm:drm_mode_debug_printmodeline] Modeline 78:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  370.278432] [drm:drm_mode_debug_printmodeline] Modeline 71:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  370.278434] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  370.278435] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  370.278437] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  370.278439] [drm:drm_mode_debug_printmodeline] Modeline 53:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  370.278440] [drm:drm_mode_debug_printmodeline] Modeline 63:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  370.278442] [drm:drm_mode_debug_printmodeline] Modeline 56:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  370.278444] [drm:drm_mode_debug_printmodeline] Modeline 55:"1440x900" 75 136750 1440 1536 1688 1936 900 903 909 942 0x40 0x6
>[  370.278445] [drm:drm_mode_debug_printmodeline] Modeline 54:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  370.278447] [drm:drm_mode_debug_printmodeline] Modeline 50:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  370.278449] [drm:drm_mode_debug_printmodeline] Modeline 80:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  370.278451] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  370.278452] [drm:drm_mode_debug_printmodeline] Modeline 64:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  370.278454] [drm:drm_mode_debug_printmodeline] Modeline 65:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  370.278456] [drm:drm_mode_debug_printmodeline] Modeline 66:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  370.278457] [drm:drm_mode_debug_printmodeline] Modeline 57:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  370.278459] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  370.278460] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  370.278462] [drm:drm_mode_debug_printmodeline] Modeline 49:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  370.278464] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  370.278465] [drm:drm_mode_debug_printmodeline] Modeline 59:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  370.278467] [drm:drm_mode_debug_printmodeline] Modeline 60:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  370.278469] [drm:drm_mode_debug_printmodeline] Modeline 61:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  370.278470] [drm:drm_mode_debug_printmodeline] Modeline 67:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  370.278472] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  370.278481] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  370.278507] [drm:drm_mode_getconnector] [CONNECTOR:31:?]
>[  370.278509] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[  370.278511] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  370.278673] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  370.278675] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  370.278678] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[  370.278683] [drm:drm_mode_getconnector] [CONNECTOR:34:?]
>[  370.278685] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[  370.278686] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[  370.278690] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[  370.278691] [drm:drm_mode_getconnector] [CONNECTOR:38:?]
>[  370.278693] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[  370.278694] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[  370.278885] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  370.278886] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  370.278887] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[  370.281013] [drm:intel_panel_get_backlight] get backlight PWM = 852
>[  370.281038] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=0/852
>[  370.281040] [drm:intel_panel_actually_set_backlight] set backlight PWM = 10
>[  370.281046] [drm:intel_edp_backlight_power] panel power control backlight disable
>[  370.482634] [drm:drm_mode_setcrtc] [CRTC:8]
>[  370.482638] [drm:intel_crtc_set_config] [CRTC:8] [NOFB]
>[  370.482641] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=0
>[  370.482643] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [NOCRTC]
>[  370.482644] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  370.482646] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:12]
>[  370.482647] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  370.482649] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[  370.482652] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 1
>[  370.538650] [drm:intel_edp_backlight_off] 
>[  370.742854] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  370.759041] [drm:intel_edp_panel_off] Turn eDP power off
>[  370.759048] [drm:wait_panel_off] Wait for panel power off time
>[  370.759052] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
>[  370.822929] [drm:wait_panel_status] Wait complete
>[  370.822944] [drm:intel_update_fbc] disabled per chip default
>[  370.822955] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  370.822958] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  370.822960] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  370.822962] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  370.822963] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  370.822964] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  370.822965] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  370.822966] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  370.822967] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  370.822968] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  370.822970] [drm:check_crtc_state] [CRTC:8]
>[  370.822972] [drm:check_crtc_state] [CRTC:12]
>[  370.822978] [drm:check_crtc_state] [CRTC:16]
>[  370.822980] [drm:check_shared_dpll_state] WRPLL 1
>[  370.822982] [drm:check_shared_dpll_state] WRPLL 2
>[  370.823578] [drm:add_framebuffer_internal] [FB:70]
>[  370.824130] [drm:drm_mode_setcrtc] [CRTC:12]
>[  370.824132] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
>[  370.824135] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=0
>[  370.824136] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [NOCRTC]
>[  370.824137] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  370.824138] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  370.824139] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[  370.824141] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 2
>[  370.839038] [drm:intel_update_fbc] no output, disabling
>[  370.839043] [drm:intel_display_power_put] disabling always-on
>[  370.839048] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  370.839049] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  370.839051] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  370.839052] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  370.839053] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  370.839054] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  370.839055] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  370.839056] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  370.839057] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  370.839059] [drm:check_crtc_state] [CRTC:8]
>[  370.839060] [drm:check_crtc_state] [CRTC:12]
>[  370.839062] [drm:check_crtc_state] [CRTC:16]
>[  370.839064] [drm:check_shared_dpll_state] WRPLL 1
>[  370.839065] [drm:check_shared_dpll_state] WRPLL 2
>[  370.841934] [drm:drm_mode_addfb] [FB:72]
>[  370.841938] [drm:drm_mode_setcrtc] [CRTC:12]
>[  370.841941] [drm:drm_mode_setcrtc] [CONNECTOR:27:DP-1]
>[  370.841943] [drm:intel_crtc_set_config] [CRTC:12] [FB:72] #connectors=1 (x y) (0 0)
>[  370.841945] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[  370.841947] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=1
>[  370.841948] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  370.841950] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:12]
>[  370.841951] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  370.841952] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[  370.841964] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[  370.841967] [drm:connected_sink_compute_bpp] [CONNECTOR:27:DP-1] checking for sink bpp constrains
>[  370.841969] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 148500KHz
>[  370.841972] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[  370.841973] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[  370.841975] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[  370.841976] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[  370.841977] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  370.841978] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  370.841979] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  370.841980] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[  370.841982] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  370.841983] [drm:intel_dump_pipe_config] requested mode:
>[  370.841985] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  370.841985] [drm:intel_dump_pipe_config] adjusted mode:
>[  370.841987] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  370.841989] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x0 flags: 0x5
>[  370.841990] [drm:intel_dump_pipe_config] port clock: 162000
>[  370.841991] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  370.841992] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  370.841993] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  370.841994] [drm:intel_dump_pipe_config] ips: 0
>[  370.841995] [drm:intel_dump_pipe_config] double wide: 0
>[  370.842000] [drm:intel_display_power_get] enabling always-on
>[  370.846576] [drm:intel_ddi_pre_enable] Audio on pipe B on DDI
>[  370.846578] [drm:intel_ddi_pre_enable] DDI audio: write eld information
>[  370.846580] [drm:intel_write_eld] ELD on [CONNECTOR:27:DP-1], [ENCODER:26:TMDS-26]
>[  370.846581] [drm:haswell_write_eld] HDMI audio: enable codec
>[  370.846583] [drm:haswell_write_eld] HDMI audio: pin eld vld status=0x00000040
>[  370.846585] [drm:haswell_write_eld] HDMI audio: eld vld status=0x00000050
>[  370.846586] [drm:haswell_write_eld] HDMI audio: audio conf: 0x20800000
>[  370.846587] [drm:haswell_write_eld] ELD on pipe B
>[  370.846588] [drm:haswell_write_eld] ELD: DisplayPort detected
>[  370.847706] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.848179] [drm:intel_dp_start_link_train] clock recovery OK
>[  370.848949] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.849709] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.850467] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.851244] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.852004] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.852763] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.853521] ------------[ cut here ]------------
>[  370.853551] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  370.853552] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  370.853584] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  370.853585] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  370.853586]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  370.853588]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  370.853590]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  370.853592] Call Trace:
>[  370.853597]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  370.853600]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  370.853602]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  370.853618]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  370.853634]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  370.853648]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  370.853662]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  370.853675]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  370.853688]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  370.853701]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  370.853713]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  370.853723]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  370.853730]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  370.853740]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  370.853743]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  370.853745]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  370.853748]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  370.853750]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  370.853752]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  370.853753] ---[ end trace da0d50a401c56ca3 ]---
>[  370.854668] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.855140] [drm:intel_dp_start_link_train] clock recovery OK
>[  370.855909] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.856667] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.857426] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.858185] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.858945] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.859705] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.860462] ------------[ cut here ]------------
>[  370.860479] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  370.860479] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  370.860509] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  370.860510] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  370.860511]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  370.860513]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  370.860515]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  370.860516] Call Trace:
>[  370.860519]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  370.860521]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  370.860523]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  370.860538]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  370.860552]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  370.860565]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  370.860578]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  370.860591]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  370.860604]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  370.860617]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  370.860627]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  370.860637]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  370.860644]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  370.860654]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  370.860656]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  370.860658]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  370.860660]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  370.860662]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  370.860664]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  370.860665] ---[ end trace da0d50a401c56ca4 ]---
>[  370.861596] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.862067] [drm:intel_dp_start_link_train] clock recovery OK
>[  370.862837] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.863597] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.864357] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.865116] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.865874] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.866632] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.867409] ------------[ cut here ]------------
>[  370.867425] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  370.867426] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  370.867455] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  370.867456] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  370.867457]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  370.867459]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec 00000000000d4a3e
>[  370.867461]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  370.867463] Call Trace:
>[  370.867466]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  370.867468]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  370.867470]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  370.867484]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  370.867498]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  370.867511]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  370.867524]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  370.867537]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  370.867549]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  370.867561]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  370.867572]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  370.867582]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  370.867589]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  370.867599]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  370.867601]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  370.867603]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  370.867605]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  370.867607]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  370.867609]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  370.867610] ---[ end trace da0d50a401c56ca5 ]---
>[  370.868523] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.868994] [drm:intel_dp_start_link_train] clock recovery OK
>[  370.869764] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.870523] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.871283] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.872043] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.872801] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.873560] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.874318] ------------[ cut here ]------------
>[  370.874333] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  370.874334] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  370.874363] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  370.874364] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  370.874365]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  370.874367]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  370.874369]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  370.874371] Call Trace:
>[  370.874373]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  370.874375]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  370.874377]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  370.874391]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  370.874406]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  370.874419]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  370.874432]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  370.874445]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  370.874457]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  370.874469]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  370.874479]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  370.874489]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  370.874496]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  370.874505]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  370.874507]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  370.874509]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  370.874512]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  370.874513]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  370.874515]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  370.874516] ---[ end trace da0d50a401c56ca6 ]---
>[  370.875448] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.875920] [drm:intel_dp_start_link_train] clock recovery OK
>[  370.876689] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.877448] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.878206] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.878966] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.879726] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.880484] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.881242] ------------[ cut here ]------------
>[  370.881258] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  370.881259] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  370.881288] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  370.881289] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  370.881290]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  370.881292]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  370.881294]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  370.881296] Call Trace:
>[  370.881298]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  370.881300]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  370.881302]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  370.881316]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  370.881330]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  370.881344]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  370.881357]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  370.881370]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  370.881382]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  370.881394]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  370.881405]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  370.881414]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  370.881421]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  370.881431]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  370.881433]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  370.881435]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  370.881437]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  370.881439]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  370.881441]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  370.881442] ---[ end trace da0d50a401c56ca7 ]---
>[  370.882356] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.882827] [drm:intel_dp_start_link_train] clock recovery OK
>[  370.883598] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.884358] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.885117] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.885875] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.886634] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.887410] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.888171] ------------[ cut here ]------------
>[  370.888186] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  370.888187] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  370.888216] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  370.888217] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  370.888218]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  370.888220]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  370.888222]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  370.888224] Call Trace:
>[  370.888226]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  370.888228]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  370.888230]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  370.888244]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  370.888258]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  370.888271]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  370.888284]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  370.888296]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  370.888309]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  370.888321]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  370.888331]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  370.888341]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  370.888348]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  370.888358]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  370.888360]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  370.888362]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  370.888364]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  370.888366]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  370.888368]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  370.888369] ---[ end trace da0d50a401c56ca8 ]---
>[  370.889283] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  370.889754] [drm:intel_dp_start_link_train] clock recovery OK
>[  370.889939] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
>[  370.902959] [drm:ironlake_update_primary_plane] Writing base 08920000 00000000 0 0 7680
>[  371.003171] ------------[ cut here ]------------
>[  371.003197] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/drm_irq.c:1086 drm_wait_one_vblank+0x123/0x170 [drm]()
>[  371.003198] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  371.003234] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  371.003236] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  371.003237]  000000000000043e ffff8800ba2cba38 ffffffff81796a07 0000000000000007
>[  371.003240]  0000000000000000 ffff8800ba2cba78 ffffffff810749ec 0000000000000283
>[  371.003242]  ffff88021e9e2000 0000000000000001 0000000000000000 0000000000000000
>[  371.003244] Call Trace:
>[  371.003250]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  371.003253]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  371.003256]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  371.003264]  [<ffffffffc032eb03>] drm_wait_one_vblank+0x123/0x170 [drm]
>[  371.003268]  [<ffffffff810b3e60>] ? add_wait_queue+0x60/0x60
>[  371.003290]  [<ffffffffc041574f>] intel_enable_primary_hw_plane.isra.73+0x9f/0xb0 [i915]
>[  371.003308]  [<ffffffffc0418ac6>] intel_crtc_enable_planes+0x36/0xf0 [i915]
>[  371.003323]  [<ffffffffc041b388>] haswell_crtc_enable+0x218/0x320 [i915]
>[  371.003338]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  371.003353]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  371.003367]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  371.003379]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  371.003391]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  371.003399]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  371.003410]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  371.003413]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  371.003416]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  371.003419]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  371.003421]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  371.003424]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  371.003425] ---[ end trace da0d50a401c56ca9 ]---
>[  371.003434] [drm:intel_update_fbc] disabled per chip default
>[  371.003441] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  371.003446] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  371.003447] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  371.003449] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  371.003450] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  371.003451] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  371.003452] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  371.003454] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  371.003455] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  371.003456] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  371.003457] [drm:check_crtc_state] [CRTC:8]
>[  371.003459] [drm:check_crtc_state] [CRTC:12]
>[  371.003466] [drm:check_crtc_state] [CRTC:16]
>[  371.003468] [drm:check_shared_dpll_state] WRPLL 1
>[  371.003470] [drm:check_shared_dpll_state] WRPLL 2
>[  371.003520] [drm:intel_crtc_cursor_set_obj] cursor off
>[  371.003981] [drm:drm_mode_setcrtc] [CRTC:8]
>[  371.003984] [drm:drm_mode_setcrtc] [CONNECTOR:19:eDP-1]
>[  371.003986] [drm:intel_crtc_set_config] [CRTC:8] [FB:72] #connectors=1 (x y) (0 0)
>[  371.003988] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[  371.003989] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[  371.003992] [drm:drm_mode_debug_printmodeline] Modeline 40:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  371.003994] [drm:drm_mode_debug_printmodeline] Modeline 73:"" 0 138500 1920 1968 2000 2080 1080 1083 1088 1111 0x0 0x9
>[  371.003995] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=0
>[  371.003997] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  371.003998] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  371.004000] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:12]
>[  371.004001] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  371.004002] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[  371.004005] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  371.004007] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[  371.004010] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 237800KHz
>[  371.004011] [drm:intel_dp_compute_config] clamping bpp for eDP panel to BIOS-provided 18
>[  371.004012] [drm:intel_dp_compute_config] DP link bw 0a lane count 4 clock 270000 bpp 18
>[  371.004014] [drm:intel_dp_compute_config] DP link bw required 428040 available 864000
>[  371.004016] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[  371.004017] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[  371.004018] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[  371.004019] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[  371.004021] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  371.004023] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4155856, gmch_n: 8388608, link_m: 461761, link_n: 524288, tu: 64
>[  371.004024] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  371.004025] [drm:intel_dump_pipe_config] requested mode:
>[  371.004027] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 138500 1920 1968 2000 2080 1080 1083 1088 1111 0x0 0x9
>[  371.004028] [drm:intel_dump_pipe_config] adjusted mode:
>[  371.004030] [drm:drm_mode_debug_printmodeline] Modeline 0:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  371.004032] [drm:intel_dump_crtc_timings] crtc timings: 237800 2560 2608 2640 2720 1440 1442 1445 1457, type: 0x48 flags: 0x9
>[  371.004033] [drm:intel_dump_pipe_config] port clock: 270000
>[  371.004034] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  371.004036] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  371.004037] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x0a0005a0, enabled
>[  371.004038] [drm:intel_dump_pipe_config] ips: 1
>[  371.004039] [drm:intel_dump_pipe_config] double wide: 0
>[  371.004058] [drm:intel_edp_panel_on] Turn eDP power on
>[  371.004062] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  371.363534] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
>[  371.363540] [drm:wait_panel_status] Wait complete
>[  371.363543] [drm:wait_panel_on] Wait for panel power on
>[  371.363546] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control abcd0003
>[  371.571743] [drm:wait_panel_status] Wait complete
>[  371.571753] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  371.571760] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
>[  371.572834] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  371.573300] [drm:intel_dp_start_link_train] clock recovery OK
>[  371.574065] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[  371.574301] [drm:intel_edp_backlight_on] 
>[  371.574303] [drm:intel_panel_enable_backlight] pipe A
>[  371.574309] [drm:intel_panel_actually_set_backlight] set backlight PWM = 10
>[  371.583749] [drm:intel_edp_psr_match_conditions] PSR disable by flag
>[  371.691799] ------------[ cut here ]------------
>[  371.691823] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/drm_irq.c:1086 drm_wait_one_vblank+0x123/0x170 [drm]()
>[  371.691824] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  371.691860] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  371.691862] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  371.691863]  000000000000043e ffff8800ba2cbab8 ffffffff81796a07 0000000000000007
>[  371.691866]  0000000000000000 ffff8800ba2cbaf8 ffffffff810749ec 0000000000000287
>[  371.691868]  ffff88021e9e2000 0000000000000001 0000000000000000 0000000000000000
>[  371.691870] Call Trace:
>[  371.691875]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  371.691878]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  371.691881]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  371.691890]  [<ffffffffc032eb03>] drm_wait_one_vblank+0x123/0x170 [drm]
>[  371.691893]  [<ffffffff810b3e60>] ? add_wait_queue+0x60/0x60
>[  371.691915]  [<ffffffffc041b370>] haswell_crtc_enable+0x200/0x320 [i915]
>[  371.691932]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  371.691948]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  371.691963]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  371.691974]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  371.691986]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  371.691994]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  371.692005]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  371.692008]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  371.692011]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  371.692014]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  371.692016]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  371.692018]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  371.692020] ---[ end trace da0d50a401c56caa ]---
>[  371.791949] ------------[ cut here ]------------
>[  371.791975] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/drm_irq.c:1086 drm_wait_one_vblank+0x123/0x170 [drm]()
>[  371.791976] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  371.792012] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  371.792014] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  371.792015]  000000000000043e ffff8800ba2cbab8 ffffffff81796a07 0000000000000007
>[  371.792017]  0000000000000000 ffff8800ba2cbaf8 ffffffff810749ec 0000000000000287
>[  371.792019]  ffff88021e9e2000 0000000000000001 0000000000000000 0000000000000000
>[  371.792022] Call Trace:
>[  371.792028]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  371.792031]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  371.792034]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  371.792043]  [<ffffffffc032eb03>] drm_wait_one_vblank+0x123/0x170 [drm]
>[  371.792046]  [<ffffffff810b3e60>] ? add_wait_queue+0x60/0x60
>[  371.792069]  [<ffffffffc041b380>] haswell_crtc_enable+0x210/0x320 [i915]
>[  371.792086]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  371.792102]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  371.792117]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  371.792129]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  371.792140]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  371.792148]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  371.792159]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  371.792162]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  371.792165]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  371.792168]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  371.792170]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  371.792173]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  371.792174] ---[ end trace da0d50a401c56cab ]---
>[  371.792184] [drm:ironlake_update_primary_plane] Writing base 08920000 00000000 0 0 7680
>[  371.812925] [drm:intel_update_fbc] more than one pipe active, disabling compression
>[  371.812934] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[  371.812937] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  371.812941] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  371.812943] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  371.812945] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  371.812946] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  371.812947] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  371.812948] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  371.812950] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  371.812951] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  371.812952] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  371.812953] [drm:check_crtc_state] [CRTC:8]
>[  371.812960] [drm:check_crtc_state] [CRTC:12]
>[  371.812966] [drm:check_crtc_state] [CRTC:16]
>[  371.812968] [drm:check_shared_dpll_state] WRPLL 1
>[  371.812970] [drm:check_shared_dpll_state] WRPLL 2
>[  371.813016] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=852/852
>[  371.813018] [drm:intel_panel_actually_set_backlight] set backlight PWM = 852
>[  371.813110] [drm:intel_crtc_cursor_set_obj] cursor off
>[  371.819411] [drm:drm_mode_addfb] [FB:73]
>[  373.249365] [drm:edp_panel_vdd_off_sync] Turning eDP VDD off
>[  373.249375] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[  384.098716] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  384.098720] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[  384.098722] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[  384.098729] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  384.098736] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[  384.098918] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[  384.099139] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  384.099149] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  384.099152] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[  384.099154] [drm:drm_mode_debug_printmodeline] Modeline 20:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  384.099158] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  384.099273] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  384.099274] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[  384.099278] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  384.099820] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  384.099822] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  384.099977] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  384.139179] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  384.139225] [drm:drm_edid_to_eld] ELD monitor 231PQPY
>[  384.139226] [drm:drm_edid_to_eld] ELD size 8, SAD count 1
>[  384.139249] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] probed modes :
>[  384.139251] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  384.139253] [drm:drm_mode_debug_printmodeline] Modeline 78:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  384.139255] [drm:drm_mode_debug_printmodeline] Modeline 71:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  384.139257] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  384.139259] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  384.139260] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  384.139262] [drm:drm_mode_debug_printmodeline] Modeline 53:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  384.139264] [drm:drm_mode_debug_printmodeline] Modeline 63:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  384.139265] [drm:drm_mode_debug_printmodeline] Modeline 56:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  384.139267] [drm:drm_mode_debug_printmodeline] Modeline 55:"1440x900" 75 136750 1440 1536 1688 1936 900 903 909 942 0x40 0x6
>[  384.139269] [drm:drm_mode_debug_printmodeline] Modeline 54:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  384.139271] [drm:drm_mode_debug_printmodeline] Modeline 50:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  384.139272] [drm:drm_mode_debug_printmodeline] Modeline 80:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  384.139274] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  384.139275] [drm:drm_mode_debug_printmodeline] Modeline 64:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  384.139277] [drm:drm_mode_debug_printmodeline] Modeline 65:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  384.139279] [drm:drm_mode_debug_printmodeline] Modeline 66:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  384.139281] [drm:drm_mode_debug_printmodeline] Modeline 57:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  384.139282] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  384.139284] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  384.139285] [drm:drm_mode_debug_printmodeline] Modeline 49:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  384.139287] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  384.139289] [drm:drm_mode_debug_printmodeline] Modeline 59:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  384.139290] [drm:drm_mode_debug_printmodeline] Modeline 60:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  384.139292] [drm:drm_mode_debug_printmodeline] Modeline 61:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  384.139294] [drm:drm_mode_debug_printmodeline] Modeline 67:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  384.139295] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  384.139304] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  384.139332] [drm:drm_mode_getconnector] [CONNECTOR:31:?]
>[  384.139334] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[  384.139335] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  384.139492] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  384.139494] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  384.139496] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[  384.139501] [drm:drm_mode_getconnector] [CONNECTOR:34:?]
>[  384.139503] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[  384.139504] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[  384.139508] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[  384.139509] [drm:drm_mode_getconnector] [CONNECTOR:38:?]
>[  384.139510] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[  384.139511] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[  384.139707] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  384.139708] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  384.139710] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[  384.141492] [drm:drm_mode_setcrtc] [CRTC:12]
>[  384.141496] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
>[  384.141499] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=0
>[  384.141501] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [NOCRTC]
>[  384.141502] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  384.141503] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  384.141504] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  384.141506] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[  384.141508] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 2
>[  384.164543] [drm:intel_update_fbc] disabled per chip default
>[  384.164554] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[  384.164557] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  384.164559] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  384.164561] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  384.164562] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  384.164563] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  384.164564] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  384.164565] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  384.164566] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  384.164567] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  384.164569] [drm:check_crtc_state] [CRTC:8]
>[  384.164576] [drm:check_crtc_state] [CRTC:12]
>[  384.164578] [drm:check_crtc_state] [CRTC:16]
>[  384.164580] [drm:check_shared_dpll_state] WRPLL 1
>[  384.164581] [drm:check_shared_dpll_state] WRPLL 2
>[  384.166583] [drm:drm_mode_setcrtc] [CRTC:8]
>[  384.166587] [drm:drm_mode_setcrtc] [CONNECTOR:27:DP-1]
>[  384.166589] [drm:intel_crtc_set_config] [CRTC:8] [FB:73] #connectors=1 (x y) (0 0)
>[  384.166592] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[  384.166594] [drm:drm_mode_debug_printmodeline] Modeline 73:"" 0 138500 1920 1968 2000 2080 1080 1083 1088 1111 0x0 0x9
>[  384.166595] [drm:drm_mode_debug_printmodeline] Modeline 68:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  384.166597] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=0
>[  384.166598] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [NOCRTC]
>[  384.166599] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  384.166600] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  384.166601] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:8]
>[  384.166602] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  384.166603] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  384.166605] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  384.166607] [drm:connected_sink_compute_bpp] [CONNECTOR:27:DP-1] checking for sink bpp constrains
>[  384.166610] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 148500KHz
>[  384.166612] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[  384.166613] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[  384.166615] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[  384.166616] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[  384.166617] [drm:intel_dump_pipe_config] cpu_transcoder: A
>[  384.166618] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  384.166619] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  384.166621] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[  384.166622] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  384.166623] [drm:intel_dump_pipe_config] requested mode:
>[  384.166625] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  384.166625] [drm:intel_dump_pipe_config] adjusted mode:
>[  384.166627] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  384.166629] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x0 flags: 0x5
>[  384.166629] [drm:intel_dump_pipe_config] port clock: 162000
>[  384.166630] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  384.166632] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  384.166633] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  384.166634] [drm:intel_dump_pipe_config] ips: 1
>[  384.166634] [drm:intel_dump_pipe_config] double wide: 0
>[  384.212409] [drm:intel_edp_backlight_off] 
>[  384.240526] [drm:intel_display_power_put] disabling display
>[  384.240531] [drm:hsw_set_power_well] Requesting to disable the power well
>[  384.272497] [drm:intel_display_power_get] enabling display
>[  384.272501] [drm:hsw_set_power_well] Enabling power well
>[  384.416561] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  384.432801] [drm:intel_edp_panel_off] Turn eDP power off
>[  384.432809] [drm:wait_panel_off] Wait for panel power off time
>[  384.432812] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
>[  384.496692] [drm:wait_panel_status] Wait complete
>[  384.496706] [drm:intel_update_fbc] no output, disabling
>[  384.496727] [drm:intel_ddi_pre_enable] Audio on pipe A on DDI
>[  384.496728] [drm:intel_ddi_pre_enable] DDI audio: write eld information
>[  384.496730] [drm:intel_write_eld] ELD on [CONNECTOR:27:DP-1], [ENCODER:26:TMDS-26]
>[  384.496732] [drm:haswell_write_eld] HDMI audio: enable codec
>[  384.496734] [drm:haswell_write_eld] HDMI audio: pin eld vld status=0x00000004
>[  384.496736] [drm:haswell_write_eld] HDMI audio: eld vld status=0x00000005
>[  384.496737] [drm:haswell_write_eld] HDMI audio: audio conf: 0x0070fa60
>[  384.496739] [drm:haswell_write_eld] ELD on pipe A
>[  384.496740] [drm:haswell_write_eld] ELD: DisplayPort detected
>[  384.496743] [drm:haswell_write_eld] port num:0
>[  384.496744] [drm:haswell_write_eld] ELD size 8
>[  384.497838] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.498309] [drm:intel_dp_start_link_train] clock recovery OK
>[  384.499079] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.499839] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.500599] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.501359] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.502117] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.502875] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.503634] ------------[ cut here ]------------
>[  384.503664] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  384.503665] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  384.503697] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  384.503698] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  384.503700]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  384.503702]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  384.503704]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  384.503706] Call Trace:
>[  384.503710]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  384.503713]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  384.503715]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  384.503731]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  384.503747]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  384.503761]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  384.503775]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  384.503788]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  384.503801]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  384.503813]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  384.503825]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  384.503835]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  384.503842]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  384.503852]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  384.503855]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  384.503857]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  384.503860]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  384.503862]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  384.503864]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  384.503865] ---[ end trace da0d50a401c56cac ]---
>[  384.504780] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.505252] [drm:intel_dp_start_link_train] clock recovery OK
>[  384.506021] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.506780] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.507538] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.508297] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.509074] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.509834] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.510592] ------------[ cut here ]------------
>[  384.510608] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  384.510609] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  384.510638] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  384.510639] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  384.510640]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  384.510642]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  384.510644]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  384.510646] Call Trace:
>[  384.510649]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  384.510651]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  384.510653]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  384.510667]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  384.510680]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  384.510693]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  384.510707]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  384.510719]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  384.510732]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  384.510744]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  384.510755]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  384.510765]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  384.510782]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  384.510791]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  384.510793]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  384.510795]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  384.510797]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  384.510799]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  384.510801]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  384.510802] ---[ end trace da0d50a401c56cad ]---
>[  384.511733] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.512204] [drm:intel_dp_start_link_train] clock recovery OK
>[  384.512992] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.513751] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.514510] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.515268] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.516027] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.516785] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.517545] ------------[ cut here ]------------
>[  384.517560] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  384.517561] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  384.517591] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  384.517592] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  384.517592]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  384.517594]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  384.517596]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  384.517598] Call Trace:
>[  384.517600]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  384.517603]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  384.517605]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  384.517618]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  384.517632]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  384.517646]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  384.517659]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  384.517671]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  384.517684]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  384.517696]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  384.517706]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  384.517716]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  384.517723]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  384.517733]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  384.517735]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  384.517737]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  384.517739]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  384.517741]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  384.517743]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  384.517744] ---[ end trace da0d50a401c56cae ]---
>[  384.518657] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.519129] [drm:intel_dp_start_link_train] clock recovery OK
>[  384.519898] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.520658] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.521435] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.522194] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.522952] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.523710] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.524468] ------------[ cut here ]------------
>[  384.524484] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  384.524484] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  384.524514] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  384.524515] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  384.524515]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  384.524517]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  384.524519]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  384.524521] Call Trace:
>[  384.524524]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  384.524526]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  384.524528]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  384.524542]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  384.524556]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  384.524569]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  384.524591]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  384.524609]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  384.524625]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  384.524637]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  384.524649]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  384.524659]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  384.524666]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  384.524675]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  384.524678]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  384.524680]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  384.524682]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  384.524684]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  384.524685]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  384.524687] ---[ end trace da0d50a401c56caf ]---
>[  384.525618] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.526089] [drm:intel_dp_start_link_train] clock recovery OK
>[  384.526859] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.527617] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.528375] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.529151] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.529912] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.530669] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.531428] ------------[ cut here ]------------
>[  384.531444] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  384.531444] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  384.531474] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  384.531475] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  384.531475]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  384.531477]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  384.531479]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  384.531481] Call Trace:
>[  384.531484]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  384.531486]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  384.531488]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  384.531501]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  384.531515]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  384.531528]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  384.531540]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  384.531553]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  384.531565]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  384.531578]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  384.531589]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  384.531598]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  384.531606]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  384.531615]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  384.531617]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  384.531619]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  384.531621]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  384.531623]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  384.531625]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  384.531626] ---[ end trace da0d50a401c56cb0 ]---
>[  384.532540] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.533012] [drm:intel_dp_start_link_train] clock recovery OK
>[  384.533781] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.534539] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.535316] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.536074] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.536858] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.537617] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.538375] ------------[ cut here ]------------
>[  384.538391] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  384.538392] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  384.538421] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  384.538422] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  384.538423]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  384.538425]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  384.538427]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  384.538428] Call Trace:
>[  384.538431]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  384.538433]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  384.538435]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  384.538448]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  384.538462]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  384.538475]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  384.538488]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  384.538501]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  384.538513]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  384.538526]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  384.538536]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  384.538546]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  384.538553]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  384.538562]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  384.538564]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  384.538566]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  384.538569]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  384.538570]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  384.538572]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  384.538573] ---[ end trace da0d50a401c56cb1 ]---
>[  384.539486] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  384.539958] [drm:intel_dp_start_link_train] clock recovery OK
>[  384.540142] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
>[  384.552623] [drm:ironlake_update_primary_plane] Writing base 09118000 00000000 0 0 7680
>[  384.584776] [drm:intel_update_fbc] disabled per chip default
>[  384.584785] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  384.584790] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  384.584791] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  384.584793] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  384.584794] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  384.584795] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  384.584797] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  384.584798] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  384.584799] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  384.584800] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  384.584802] [drm:check_crtc_state] [CRTC:8]
>[  384.584809] [drm:check_crtc_state] [CRTC:12]
>[  384.584810] [drm:check_crtc_state] [CRTC:16]
>[  384.584812] [drm:check_shared_dpll_state] WRPLL 1
>[  384.584814] [drm:check_shared_dpll_state] WRPLL 2
>[  384.584871] [drm:intel_panel_get_backlight] get backlight PWM = 0
>[  384.584888] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=0/852
>[  391.636092] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  391.636097] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[  391.636099] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[  391.636107] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  391.636109] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  391.636112] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
>[  391.636114] [drm:wait_panel_status] Wait complete
>[  391.636119] [drm:edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008
>[  391.636121] [drm:edp_panel_vdd_on] eDP was not running
>[  391.840255] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[  391.840424] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  391.840435] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  391.840438] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[  391.840441] [drm:drm_mode_debug_printmodeline] Modeline 20:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  391.840454] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  391.840565] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  391.840567] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[  391.840570] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  391.840837] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  391.840838] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  391.840988] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  391.880161] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  391.880203] [drm:drm_edid_to_eld] ELD monitor 231PQPY
>[  391.880204] [drm:drm_edid_to_eld] ELD size 8, SAD count 1
>[  391.880226] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] probed modes :
>[  391.880228] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  391.880230] [drm:drm_mode_debug_printmodeline] Modeline 78:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  391.880232] [drm:drm_mode_debug_printmodeline] Modeline 71:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  391.880234] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  391.880235] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  391.880237] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  391.880239] [drm:drm_mode_debug_printmodeline] Modeline 53:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  391.880240] [drm:drm_mode_debug_printmodeline] Modeline 63:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  391.880242] [drm:drm_mode_debug_printmodeline] Modeline 56:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  391.880244] [drm:drm_mode_debug_printmodeline] Modeline 55:"1440x900" 75 136750 1440 1536 1688 1936 900 903 909 942 0x40 0x6
>[  391.880245] [drm:drm_mode_debug_printmodeline] Modeline 54:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  391.880247] [drm:drm_mode_debug_printmodeline] Modeline 50:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  391.880249] [drm:drm_mode_debug_printmodeline] Modeline 80:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  391.880250] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  391.880252] [drm:drm_mode_debug_printmodeline] Modeline 64:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  391.880254] [drm:drm_mode_debug_printmodeline] Modeline 65:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  391.880255] [drm:drm_mode_debug_printmodeline] Modeline 66:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  391.880257] [drm:drm_mode_debug_printmodeline] Modeline 57:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  391.880259] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  391.880260] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  391.880262] [drm:drm_mode_debug_printmodeline] Modeline 49:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  391.880264] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  391.880265] [drm:drm_mode_debug_printmodeline] Modeline 59:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  391.880267] [drm:drm_mode_debug_printmodeline] Modeline 60:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  391.880269] [drm:drm_mode_debug_printmodeline] Modeline 61:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  391.880270] [drm:drm_mode_debug_printmodeline] Modeline 67:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  391.880272] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  391.880277] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  391.880300] [drm:drm_mode_getconnector] [CONNECTOR:31:?]
>[  391.880302] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[  391.880303] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  391.880461] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  391.880464] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  391.880466] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[  391.880470] [drm:drm_mode_getconnector] [CONNECTOR:34:?]
>[  391.880472] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[  391.880473] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[  391.880476] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[  391.880478] [drm:drm_mode_getconnector] [CONNECTOR:38:?]
>[  391.880479] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[  391.880480] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[  391.880688] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  391.880690] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  391.880691] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[  391.883684] [drm:drm_mode_addfb] [FB:68]
>[  391.886557] [drm:drm_mode_setcrtc] [CRTC:8]
>[  391.886563] [drm:drm_mode_setcrtc] [CONNECTOR:27:DP-1]
>[  391.886565] [drm:intel_crtc_set_config] [CRTC:8] [FB:68] #connectors=1 (x y) (0 0)
>[  391.886568] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=1
>[  391.886569] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:8]
>[  391.895737] [drm:ironlake_update_primary_plane] Writing base 01881000 00000000 0 0 10240
>[  391.903585] [drm:drm_mode_setcrtc] [CRTC:8]
>[  391.903591] [drm:drm_mode_setcrtc] [CONNECTOR:19:eDP-1]
>[  391.903593] [drm:intel_crtc_set_config] [CRTC:8] [FB:68] #connectors=1 (x y) (0 0)
>[  391.903596] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[  391.903598] [drm:drm_mode_debug_printmodeline] Modeline 68:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  391.903600] [drm:drm_mode_debug_printmodeline] Modeline 69:"" 0 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x0 0x9
>[  391.903602] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=0
>[  391.903603] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  391.903605] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [NOCRTC]
>[  391.903606] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  391.903607] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  391.903608] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  391.903609] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  391.903612] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  391.903614] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[  391.903618] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 237800KHz
>[  391.903620] [drm:intel_dp_compute_config] clamping bpp for eDP panel to BIOS-provided 18
>[  391.903621] [drm:intel_dp_compute_config] DP link bw 0a lane count 4 clock 270000 bpp 18
>[  391.903623] [drm:intel_dp_compute_config] DP link bw required 428040 available 864000
>[  391.903625] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[  391.903626] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[  391.903627] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[  391.903629] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[  391.903630] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  391.903632] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4155856, gmch_n: 8388608, link_m: 461761, link_n: 524288, tu: 64
>[  391.903633] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  391.903634] [drm:intel_dump_pipe_config] requested mode:
>[  391.903637] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x0 0x9
>[  391.903638] [drm:intel_dump_pipe_config] adjusted mode:
>[  391.903640] [drm:drm_mode_debug_printmodeline] Modeline 0:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  391.903642] [drm:intel_dump_crtc_timings] crtc timings: 237800 2560 2608 2640 2720 1440 1442 1445 1457, type: 0x48 flags: 0x9
>[  391.903643] [drm:intel_dump_pipe_config] port clock: 270000
>[  391.903644] [drm:intel_dump_pipe_config] pipe src size: 2560x1440
>[  391.903645] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  391.903647] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  391.903648] [drm:intel_dump_pipe_config] ips: 1
>[  391.903649] [drm:intel_dump_pipe_config] double wide: 0
>[  391.940343] [drm:intel_update_fbc] no output, disabling
>[  391.940363] [drm:intel_edp_panel_on] Turn eDP power on
>[  391.940367] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  391.940371] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0008
>[  391.940373] [drm:wait_panel_status] Wait complete
>[  391.940376] [drm:wait_panel_on] Wait for panel power on
>[  391.940379] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control abcd000b
>[  392.148360] [drm:wait_panel_status] Wait complete
>[  392.149442] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  392.149908] [drm:intel_dp_start_link_train] clock recovery OK
>[  392.150672] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[  392.150906] [drm:intel_edp_backlight_on] 
>[  392.150908] [drm:intel_panel_enable_backlight] pipe A
>[  392.150914] [drm:intel_panel_actually_set_backlight] set backlight PWM = 852
>[  392.160376] [drm:intel_edp_psr_match_conditions] PSR disable by flag
>[  392.168381] [drm:ironlake_update_primary_plane] Writing base 01881000 00000000 0 0 10240
>[  392.208421] [drm:intel_update_fbc] disabled per chip default
>[  392.208431] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[  392.208435] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  392.208437] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  392.208438] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  392.208440] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  392.208441] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  392.208442] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  392.208443] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  392.208444] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  392.208446] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  392.208447] [drm:check_crtc_state] [CRTC:8]
>[  392.208454] [drm:check_crtc_state] [CRTC:12]
>[  392.208456] [drm:check_crtc_state] [CRTC:16]
>[  392.208457] [drm:check_shared_dpll_state] WRPLL 1
>[  392.208459] [drm:check_shared_dpll_state] WRPLL 2
>[  392.208510] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=0/852
>[  392.208512] [drm:intel_panel_actually_set_backlight] set backlight PWM = 10
>[  392.208518] [drm:intel_edp_backlight_power] panel power control backlight disable
>[  392.427103] [drm:drm_mode_addfb] [FB:69]
>[  392.532683] [drm:intel_display_power_put] disabling display
>[  392.532688] [drm:hsw_set_power_well] Requesting to disable the power well
>[  392.564658] [drm:intel_display_power_get] enabling display
>[  392.564662] [drm:hsw_set_power_well] Enabling power well
>[  393.573754] [drm:intel_display_power_put] disabling display
>[  393.573758] [drm:hsw_set_power_well] Requesting to disable the power well
>[  393.605711] [drm:intel_display_power_get] enabling display
>[  393.605714] [drm:hsw_set_power_well] Enabling power well
>[  394.614787] [drm:intel_display_power_put] disabling display
>[  394.614791] [drm:hsw_set_power_well] Requesting to disable the power well
>[  394.646755] [drm:intel_display_power_get] enabling display
>[  394.646758] [drm:hsw_set_power_well] Enabling power well
>[  394.846958] [drm:edp_panel_vdd_off_sync] Turning eDP VDD off
>[  394.846967] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0003
>[  395.172292] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  395.172298] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[  395.172300] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[  395.172307] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  395.172313] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
>[  395.172488] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[  395.172657] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  395.172668] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  395.172670] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[  395.172673] [drm:drm_mode_debug_printmodeline] Modeline 20:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  395.172677] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  395.172782] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  395.172784] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[  395.172788] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  395.173060] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  395.173062] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  395.173212] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  395.212880] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  395.212927] [drm:drm_edid_to_eld] ELD monitor 231PQPY
>[  395.212928] [drm:drm_edid_to_eld] ELD size 8, SAD count 1
>[  395.212952] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] probed modes :
>[  395.212954] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  395.212956] [drm:drm_mode_debug_printmodeline] Modeline 78:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  395.212958] [drm:drm_mode_debug_printmodeline] Modeline 71:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  395.212960] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  395.212961] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  395.212963] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  395.212965] [drm:drm_mode_debug_printmodeline] Modeline 53:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  395.212966] [drm:drm_mode_debug_printmodeline] Modeline 63:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  395.212968] [drm:drm_mode_debug_printmodeline] Modeline 56:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  395.212970] [drm:drm_mode_debug_printmodeline] Modeline 55:"1440x900" 75 136750 1440 1536 1688 1936 900 903 909 942 0x40 0x6
>[  395.212971] [drm:drm_mode_debug_printmodeline] Modeline 54:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  395.212973] [drm:drm_mode_debug_printmodeline] Modeline 50:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  395.212975] [drm:drm_mode_debug_printmodeline] Modeline 80:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  395.212977] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  395.212978] [drm:drm_mode_debug_printmodeline] Modeline 64:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  395.212980] [drm:drm_mode_debug_printmodeline] Modeline 65:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  395.212982] [drm:drm_mode_debug_printmodeline] Modeline 66:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  395.212983] [drm:drm_mode_debug_printmodeline] Modeline 57:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  395.212985] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  395.212987] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  395.212988] [drm:drm_mode_debug_printmodeline] Modeline 49:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  395.212990] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  395.212991] [drm:drm_mode_debug_printmodeline] Modeline 59:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  395.212993] [drm:drm_mode_debug_printmodeline] Modeline 60:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  395.212995] [drm:drm_mode_debug_printmodeline] Modeline 61:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  395.212996] [drm:drm_mode_debug_printmodeline] Modeline 67:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  395.212998] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  395.213008] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  395.213040] [drm:drm_mode_getconnector] [CONNECTOR:31:?]
>[  395.213042] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[  395.213043] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  395.213205] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  395.213207] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  395.213209] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[  395.213214] [drm:drm_mode_getconnector] [CONNECTOR:34:?]
>[  395.213216] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[  395.213217] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[  395.213221] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[  395.213222] [drm:drm_mode_getconnector] [CONNECTOR:38:?]
>[  395.213223] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[  395.213224] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[  395.213416] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  395.213417] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  395.213419] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[  395.218865] [drm:drm_mode_addfb] [FB:74]
>[  395.224418] [drm:drm_mode_setcrtc] [CRTC:8]
>[  395.224428] [drm:drm_mode_setcrtc] [CONNECTOR:19:eDP-1]
>[  395.224431] [drm:intel_crtc_set_config] [CRTC:8] [FB:74] #connectors=1 (x y) (0 0)
>[  395.224436] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=0, fb_changed=1
>[  395.224438] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  395.239667] [drm:ironlake_update_primary_plane] Writing base 0D294000 00000000 0 0 17920
>[  395.254650] [drm:drm_mode_setcrtc] [CRTC:12]
>[  395.254656] [drm:drm_mode_setcrtc] [CONNECTOR:27:DP-1]
>[  395.254659] [drm:intel_crtc_set_config] [CRTC:12] [FB:74] #connectors=1 (x y) (2560 0)
>[  395.254662] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[  395.254663] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=1
>[  395.254665] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  395.254667] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  395.254668] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:12]
>[  395.254669] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  395.254671] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[  395.254673] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[  395.254676] [drm:connected_sink_compute_bpp] [CONNECTOR:27:DP-1] checking for sink bpp constrains
>[  395.254679] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 148500KHz
>[  395.254682] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[  395.254683] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[  395.254685] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[  395.254686] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[  395.254687] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  395.254689] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  395.254690] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  395.254692] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[  395.254693] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  395.254694] [drm:intel_dump_pipe_config] requested mode:
>[  395.254697] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  395.254698] [drm:intel_dump_pipe_config] adjusted mode:
>[  395.254700] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  395.254702] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x0 flags: 0x5
>[  395.254703] [drm:intel_dump_pipe_config] port clock: 162000
>[  395.254704] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  395.254705] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  395.254707] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  395.254708] [drm:intel_dump_pipe_config] ips: 0
>[  395.254709] [drm:intel_dump_pipe_config] double wide: 0
>[  395.254728] [drm:intel_ddi_pre_enable] Audio on pipe B on DDI
>[  395.254730] [drm:intel_ddi_pre_enable] DDI audio: write eld information
>[  395.254731] [drm:intel_write_eld] ELD on [CONNECTOR:27:DP-1], [ENCODER:26:TMDS-26]
>[  395.254733] [drm:haswell_write_eld] HDMI audio: enable codec
>[  395.254735] [drm:haswell_write_eld] HDMI audio: pin eld vld status=0x00000040
>[  395.254737] [drm:haswell_write_eld] HDMI audio: eld vld status=0x00000050
>[  395.254738] [drm:haswell_write_eld] HDMI audio: audio conf: 0x0070fa60
>[  395.254740] [drm:haswell_write_eld] ELD on pipe B
>[  395.254741] [drm:haswell_write_eld] ELD: DisplayPort detected
>[  395.254744] [drm:haswell_write_eld] port num:0
>[  395.254745] [drm:haswell_write_eld] ELD size 8
>[  395.255831] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.256307] [drm:intel_dp_start_link_train] clock recovery OK
>[  395.257077] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.257836] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.258595] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.259357] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.260117] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.260877] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.261636] ------------[ cut here ]------------
>[  395.261666] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  395.261667] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  395.261700] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  395.261701] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  395.261702]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  395.261704]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  395.261706]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  395.261708] Call Trace:
>[  395.261713]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  395.261716]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  395.261718]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  395.261734]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  395.261749]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  395.261764]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  395.261777]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  395.261790]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  395.261803]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  395.261815]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  395.261827]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  395.261837]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  395.261844]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  395.261854]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  395.261857]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  395.261859]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  395.261862]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  395.261864]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  395.261866]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  395.261867] ---[ end trace da0d50a401c56cb2 ]---
>[  395.262782] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.263253] [drm:intel_dp_start_link_train] clock recovery OK
>[  395.264025] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.264786] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.265547] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.266306] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.267064] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.267841] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.268602] ------------[ cut here ]------------
>[  395.268619] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  395.268620] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  395.268649] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  395.268651] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  395.268651]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  395.268653]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  395.268655]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  395.268657] Call Trace:
>[  395.268660]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  395.268662]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  395.268664]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  395.268678]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  395.268692]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  395.268705]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  395.268718]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  395.268731]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  395.268744]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  395.268756]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  395.268766]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  395.268776]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  395.268783]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  395.268793]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  395.268795]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  395.268797]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  395.268800]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  395.268801]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  395.268803]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  395.268804] ---[ end trace da0d50a401c56cb3 ]---
>[  395.269719] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.270190] [drm:intel_dp_start_link_train] clock recovery OK
>[  395.270959] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.271737] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.272498] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.273258] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.274016] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.274775] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.275535] ------------[ cut here ]------------
>[  395.275550] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  395.275551] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  395.275581] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  395.275582] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  395.275583]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  395.275584]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffffffff8101e37b
>[  395.275586]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  395.275588] Call Trace:
>[  395.275591]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  395.275593]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  395.275596]  [<ffffffff8101e37b>] ? native_read_tsc+0xb/0x20
>[  395.275598]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  395.275612]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  395.275626]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  395.275639]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  395.275652]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  395.275665]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  395.275677]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  395.275689]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  395.275699]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  395.275709]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  395.275716]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  395.275726]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  395.275728]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  395.275730]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  395.275733]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  395.275734]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  395.275736]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  395.275737] ---[ end trace da0d50a401c56cb4 ]---
>[  395.276650] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.277122] [drm:intel_dp_start_link_train] clock recovery OK
>[  395.277892] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.278651] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.279410] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.280171] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.280929] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.281689] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.282447] ------------[ cut here ]------------
>[  395.282463] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  395.282463] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  395.282493] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  395.282494] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  395.282495]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  395.282496]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  395.282498]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  395.282500] Call Trace:
>[  395.282503]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  395.282505]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  395.282507]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  395.282521]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  395.282535]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  395.282549]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  395.282562]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  395.282574]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  395.282587]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  395.282599]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  395.282610]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  395.282619]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  395.282627]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  395.282637]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  395.282639]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  395.282641]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  395.282643]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  395.282645]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  395.282646]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  395.282648] ---[ end trace da0d50a401c56cb5 ]---
>[  395.283562] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.284034] [drm:intel_dp_start_link_train] clock recovery OK
>[  395.284804] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.285564] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.286324] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.287082] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.287860] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.288620] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.289378] ------------[ cut here ]------------
>[  395.289393] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  395.289394] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  395.289424] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  395.289425] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  395.289426]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  395.289428]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  395.289430]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  395.289432] Call Trace:
>[  395.289434]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  395.289436]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  395.289438]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  395.289452]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  395.289466]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  395.289479]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  395.289492]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  395.289505]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  395.289517]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  395.289529]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  395.289539]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  395.289549]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  395.289556]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  395.289566]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  395.289568]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  395.289570]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  395.289572]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  395.289574]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  395.289576]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  395.289577] ---[ end trace da0d50a401c56cb6 ]---
>[  395.290491] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.290962] [drm:intel_dp_start_link_train] clock recovery OK
>[  395.291750] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.292509] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.293269] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.294028] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.294786] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.295559] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.296352] ------------[ cut here ]------------
>[  395.296369] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  395.296370] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  395.296399] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  395.296400] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  395.296401]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  395.296403]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffffffff8101e376
>[  395.296405]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  395.296407] Call Trace:
>[  395.296410]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  395.296412]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  395.296414]  [<ffffffff8101e376>] ? native_read_tsc+0x6/0x20
>[  395.296416]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  395.296431]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  395.296444]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  395.296457]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  395.296470]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  395.296483]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  395.296496]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  395.296509]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  395.296519]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  395.296529]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  395.296536]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  395.296546]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  395.296548]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  395.296550]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  395.296553]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  395.296554]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  395.296556]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  395.296557] ---[ end trace da0d50a401c56cb7 ]---
>[  395.297470] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  395.297942] [drm:intel_dp_start_link_train] clock recovery OK
>[  395.298127] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
>[  395.337285] [drm:ironlake_update_primary_plane] Writing base 0D294000 FFFFFFFFFFFEE800 0 0 17920
>[  395.435595] ------------[ cut here ]------------
>[  395.435618] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/drm_irq.c:1086 drm_wait_one_vblank+0x123/0x170 [drm]()
>[  395.435619] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  395.435656] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  395.435657] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  395.435659]  000000000000043e ffff8800ba2cba38 ffffffff81796a07 0000000000000007
>[  395.435661]  0000000000000000 ffff8800ba2cba78 ffffffff810749ec 0000000000000283
>[  395.435663]  ffff88021e9e2000 0000000000000001 0000000000000000 0000000000000000
>[  395.435665] Call Trace:
>[  395.435670]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  395.435674]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  395.435676]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  395.435685]  [<ffffffffc032eb03>] drm_wait_one_vblank+0x123/0x170 [drm]
>[  395.435688]  [<ffffffff810b3e60>] ? add_wait_queue+0x60/0x60
>[  395.435710]  [<ffffffffc041574f>] intel_enable_primary_hw_plane.isra.73+0x9f/0xb0 [i915]
>[  395.435728]  [<ffffffffc0418ac6>] intel_crtc_enable_planes+0x36/0xf0 [i915]
>[  395.435744]  [<ffffffffc041b388>] haswell_crtc_enable+0x218/0x320 [i915]
>[  395.435759]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  395.435774]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  395.435788]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  395.435800]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  395.435811]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  395.435819]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  395.435830]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  395.435833]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  395.435836]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  395.435839]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  395.435841]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  395.435843]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  395.435845] ---[ end trace da0d50a401c56cb8 ]---
>[  395.435852] [drm:intel_update_fbc] more than one pipe active, disabling compression
>[  395.435858] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[  395.435861] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  395.435865] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  395.435866] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  395.435868] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  395.435870] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  395.435871] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  395.435872] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  395.435873] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  395.435874] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  395.435875] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  395.435877] [drm:check_crtc_state] [CRTC:8]
>[  395.435884] [drm:check_crtc_state] [CRTC:12]
>[  395.435890] [drm:check_crtc_state] [CRTC:16]
>[  395.435892] [drm:check_shared_dpll_state] WRPLL 1
>[  395.435893] [drm:check_shared_dpll_state] WRPLL 2
>[  395.460621] [drm:drm_mode_addfb] [FB:72]
>[  398.178347] [drm:edp_panel_vdd_off_sync] Turning eDP VDD off
>[  398.178357] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0003
>[  400.569433] systemd-hostnamed[2754]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
>[  404.817462] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  404.817467] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1]
>[  404.817468] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
>[  404.817476] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  404.817482] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
>[  404.817655] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[  404.817819] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  404.817828] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  404.817830] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:19:eDP-1] probed modes :
>[  404.817832] [drm:drm_mode_debug_printmodeline] Modeline 20:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  404.817835] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
>[  404.817933] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  404.817935] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1]
>[  404.817939] [drm:intel_dp_detect] [CONNECTOR:27:DP-1]
>[  404.818205] [drm:intel_dp_get_dpcd] DPCD: 12 0a c4 01 01 00 01 00 02 02 06 00 04 00 00
>[  404.818206] [drm:intel_dp_get_dpcd] Displayport TPS3 supported
>[  404.818355] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  404.857444] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  404.857488] [drm:drm_edid_to_eld] ELD monitor 231PQPY
>[  404.857489] [drm:drm_edid_to_eld] ELD size 8, SAD count 1
>[  404.857512] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:DP-1] probed modes :
>[  404.857514] [drm:drm_mode_debug_printmodeline] Modeline 48:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  404.857516] [drm:drm_mode_debug_printmodeline] Modeline 78:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  404.857518] [drm:drm_mode_debug_printmodeline] Modeline 71:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  404.857519] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  404.857521] [drm:drm_mode_debug_printmodeline] Modeline 76:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  404.857523] [drm:drm_mode_debug_printmodeline] Modeline 75:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  404.857524] [drm:drm_mode_debug_printmodeline] Modeline 53:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  404.857526] [drm:drm_mode_debug_printmodeline] Modeline 63:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  404.857528] [drm:drm_mode_debug_printmodeline] Modeline 56:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  404.857529] [drm:drm_mode_debug_printmodeline] Modeline 55:"1440x900" 75 136750 1440 1536 1688 1936 900 903 909 942 0x40 0x6
>[  404.857531] [drm:drm_mode_debug_printmodeline] Modeline 54:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  404.857533] [drm:drm_mode_debug_printmodeline] Modeline 50:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  404.857535] [drm:drm_mode_debug_printmodeline] Modeline 80:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  404.857536] [drm:drm_mode_debug_printmodeline] Modeline 51:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  404.857538] [drm:drm_mode_debug_printmodeline] Modeline 64:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  404.857540] [drm:drm_mode_debug_printmodeline] Modeline 65:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  404.857541] [drm:drm_mode_debug_printmodeline] Modeline 66:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  404.857543] [drm:drm_mode_debug_printmodeline] Modeline 57:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  404.857545] [drm:drm_mode_debug_printmodeline] Modeline 52:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  404.857546] [drm:drm_mode_debug_printmodeline] Modeline 79:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  404.857548] [drm:drm_mode_debug_printmodeline] Modeline 49:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  404.857549] [drm:drm_mode_debug_printmodeline] Modeline 58:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  404.857551] [drm:drm_mode_debug_printmodeline] Modeline 59:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  404.857553] [drm:drm_mode_debug_printmodeline] Modeline 60:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  404.857554] [drm:drm_mode_debug_printmodeline] Modeline 61:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  404.857556] [drm:drm_mode_debug_printmodeline] Modeline 67:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  404.857558] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  404.857566] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  404.857596] [drm:drm_mode_getconnector] [CONNECTOR:31:?]
>[  404.857598] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1]
>[  404.857600] [drm:intel_hdmi_detect] [CONNECTOR:31:HDMI-A-1]
>[  404.857767] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  404.857769] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  404.857770] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:HDMI-A-1] disconnected
>[  404.857774] [drm:drm_mode_getconnector] [CONNECTOR:34:?]
>[  404.857776] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2]
>[  404.857777] [drm:intel_dp_detect] [CONNECTOR:34:DP-2]
>[  404.857781] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:34:DP-2] disconnected
>[  404.857783] [drm:drm_mode_getconnector] [CONNECTOR:38:?]
>[  404.857784] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2]
>[  404.857785] [drm:intel_hdmi_detect] [CONNECTOR:38:HDMI-A-2]
>[  404.857953] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  404.857954] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  404.857955] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:38:HDMI-A-2] disconnected
>[  404.859583] [drm:intel_panel_get_backlight] get backlight PWM = 10
>[  404.859602] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=0/852
>[  404.859604] [drm:intel_panel_actually_set_backlight] set backlight PWM = 10
>[  404.859840] [drm:drm_mode_setcrtc] [CRTC:8]
>[  404.859843] [drm:intel_crtc_set_config] [CRTC:8] [NOFB]
>[  404.859846] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=0
>[  404.859848] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [NOCRTC]
>[  404.859849] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  404.859851] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:12]
>[  404.859852] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  404.859854] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[  404.859856] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 1
>[  404.869050] [drm:intel_edp_backlight_off] 
>[  405.073258] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  405.081446] [drm:intel_edp_panel_off] Turn eDP power off
>[  405.081453] [drm:wait_panel_off] Wait for panel power off time
>[  405.081456] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
>[  405.145332] [drm:wait_panel_status] Wait complete
>[  405.145347] [drm:intel_update_fbc] disabled per chip default
>[  405.145358] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  405.145362] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  405.145363] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  405.145365] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  405.145366] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  405.145367] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  405.145368] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  405.145370] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  405.145371] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  405.145372] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  405.145373] [drm:check_crtc_state] [CRTC:8]
>[  405.145375] [drm:check_crtc_state] [CRTC:12]
>[  405.145382] [drm:check_crtc_state] [CRTC:16]
>[  405.145383] [drm:check_shared_dpll_state] WRPLL 1
>[  405.145385] [drm:check_shared_dpll_state] WRPLL 2
>[  405.146573] [drm:drm_mode_setcrtc] [CRTC:12]
>[  405.146576] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
>[  405.146578] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=0
>[  405.146580] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [NOCRTC]
>[  405.146581] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  405.146582] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  405.146583] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[  405.146585] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 2
>[  405.169444] [drm:intel_update_fbc] no output, disabling
>[  405.169449] [drm:intel_display_power_put] disabling always-on
>[  405.169453] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  405.169455] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  405.169456] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  405.169458] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  405.169459] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  405.169460] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  405.169461] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  405.169462] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  405.169463] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  405.169464] [drm:check_crtc_state] [CRTC:8]
>[  405.169466] [drm:check_crtc_state] [CRTC:12]
>[  405.169468] [drm:check_crtc_state] [CRTC:16]
>[  405.169470] [drm:check_shared_dpll_state] WRPLL 1
>[  405.169471] [drm:check_shared_dpll_state] WRPLL 2
>[  405.170364] [drm:drm_mode_addfb] [FB:68]
>[  405.170368] [drm:drm_mode_setcrtc] [CRTC:8]
>[  405.170370] [drm:drm_mode_setcrtc] [CONNECTOR:19:eDP-1]
>[  405.170372] [drm:intel_crtc_set_config] [CRTC:8] [FB:68] #connectors=1 (x y) (0 0)
>[  405.170375] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[  405.170376] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[  405.170379] [drm:drm_mode_debug_printmodeline] Modeline 69:"" 0 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x0 0x9
>[  405.170381] [drm:drm_mode_debug_printmodeline] Modeline 69:"" 0 138500 1920 1968 2000 2080 1080 1083 1088 1111 0x0 0x9
>[  405.170382] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:8], mode_changed=1, fb_changed=0
>[  405.170384] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  405.170385] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  405.170386] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  405.170388] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[  405.170390] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  405.170392] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1] checking for sink bpp constrains
>[  405.170395] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 237800KHz
>[  405.170396] [drm:intel_dp_compute_config] clamping bpp for eDP panel to BIOS-provided 18
>[  405.170398] [drm:intel_dp_compute_config] DP link bw 0a lane count 4 clock 270000 bpp 18
>[  405.170399] [drm:intel_dp_compute_config] DP link bw required 428040 available 864000
>[  405.170401] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 18, dithering: 1
>[  405.170403] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for pipe A
>[  405.170404] [drm:intel_dump_pipe_config] cpu_transcoder: D
>[  405.170405] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
>[  405.170406] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  405.170408] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 4155856, gmch_n: 8388608, link_m: 461761, link_n: 524288, tu: 64
>[  405.170410] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  405.170411] [drm:intel_dump_pipe_config] requested mode:
>[  405.170413] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 138500 1920 1968 2000 2080 1080 1083 1088 1111 0x0 0x9
>[  405.170414] [drm:intel_dump_pipe_config] adjusted mode:
>[  405.170416] [drm:drm_mode_debug_printmodeline] Modeline 0:"2560x1440" 60 237800 2560 2608 2640 2720 1440 1442 1445 1457 0x48 0x9
>[  405.170418] [drm:intel_dump_crtc_timings] crtc timings: 237800 2560 2608 2640 2720 1440 1442 1445 1457, type: 0x48 flags: 0x9
>[  405.170419] [drm:intel_dump_pipe_config] port clock: 270000
>[  405.170420] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  405.170421] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  405.170423] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x0a0005a0, enabled
>[  405.170424] [drm:intel_dump_pipe_config] ips: 1
>[  405.170425] [drm:intel_dump_pipe_config] double wide: 0
>[  405.170428] [drm:intel_display_power_get] enabling always-on
>[  405.176888] [drm:intel_edp_panel_on] Turn eDP power on
>[  405.176893] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  405.685926] [drm:wait_panel_status] mask b800000f value 00000000 status 08000001 control abcd0000
>[  405.701935] [drm:wait_panel_status] Wait complete
>[  405.701943] [drm:wait_panel_on] Wait for panel power on
>[  405.701946] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control abcd0003
>[  405.910169] [drm:wait_panel_status] Wait complete
>[  405.910179] [drm:edp_panel_vdd_on] Turning eDP VDD on
>[  405.910186] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
>[  405.910266] [drm:intel_display_power_put] disabling display
>[  405.910270] [drm:hsw_set_power_well] Requesting to disable the power well
>[  405.911263] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  405.911729] [drm:intel_dp_start_link_train] clock recovery OK
>[  405.912493] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[  405.912728] [drm:intel_edp_backlight_on] 
>[  405.912729] [drm:intel_panel_enable_backlight] pipe A
>[  405.912735] [drm:intel_panel_actually_set_backlight] set backlight PWM = 10
>[  405.922048] [drm:intel_edp_psr_match_conditions] PSR disable by flag
>[  405.930173] [drm:ironlake_update_primary_plane] Writing base 01881000 00000000 0 0 7680
>[  405.942148] [drm:intel_display_power_get] enabling display
>[  405.942153] [drm:hsw_set_power_well] Enabling power well
>[  405.970215] [drm:intel_update_fbc] disabled per chip default
>[  405.970223] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[  405.970227] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  405.970229] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  405.970231] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  405.970232] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  405.970233] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  405.970234] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  405.970235] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  405.970236] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  405.970238] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  405.970239] [drm:check_crtc_state] [CRTC:8]
>[  405.970246] [drm:check_crtc_state] [CRTC:12]
>[  405.970248] [drm:check_crtc_state] [CRTC:16]
>[  405.970250] [drm:check_shared_dpll_state] WRPLL 1
>[  405.970251] [drm:check_shared_dpll_state] WRPLL 2
>[  405.970300] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=0/852
>[  405.970301] [drm:intel_panel_actually_set_backlight] set backlight PWM = 10
>[  405.970308] [drm:intel_edp_backlight_power] panel power control backlight disable
>[  406.175048] [drm:drm_mode_setcrtc] [CRTC:12]
>[  406.175053] [drm:drm_mode_setcrtc] [CONNECTOR:27:DP-1]
>[  406.175055] [drm:intel_crtc_set_config] [CRTC:12] [FB:68] #connectors=1 (x y) (0 0)
>[  406.175058] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set
>[  406.175060] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=1, fb_changed=1
>[  406.175061] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  406.175063] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1] to [CRTC:8]
>[  406.175064] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:DP-1] to [CRTC:12]
>[  406.175065] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  406.175067] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch
>[  406.175070] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[  406.175072] [drm:connected_sink_compute_bpp] [CONNECTOR:27:DP-1] checking for sink bpp constrains
>[  406.175074] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 0a pixel clock 148500KHz
>[  406.175077] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[  406.175078] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[  406.175080] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[  406.175082] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for pipe B
>[  406.175083] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  406.175084] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  406.175085] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  406.175087] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[  406.175089] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  406.175090] [drm:intel_dump_pipe_config] requested mode:
>[  406.175092] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  406.175093] [drm:intel_dump_pipe_config] adjusted mode:
>[  406.175095] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[  406.175097] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x0 flags: 0x5
>[  406.175098] [drm:intel_dump_pipe_config] port clock: 162000
>[  406.175099] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  406.175100] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  406.175102] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  406.175103] [drm:intel_dump_pipe_config] ips: 0
>[  406.175104] [drm:intel_dump_pipe_config] double wide: 0
>[  406.175124] [drm:intel_ddi_pre_enable] Audio on pipe B on DDI
>[  406.175125] [drm:intel_ddi_pre_enable] DDI audio: write eld information
>[  406.175127] [drm:intel_write_eld] ELD on [CONNECTOR:27:DP-1], [ENCODER:26:TMDS-26]
>[  406.175128] [drm:haswell_write_eld] HDMI audio: enable codec
>[  406.175131] [drm:haswell_write_eld] HDMI audio: pin eld vld status=0x00000040
>[  406.175132] [drm:haswell_write_eld] HDMI audio: eld vld status=0x00000050
>[  406.175134] [drm:haswell_write_eld] HDMI audio: audio conf: 0x0070fa60
>[  406.175135] [drm:haswell_write_eld] ELD on pipe B
>[  406.175136] [drm:haswell_write_eld] ELD: DisplayPort detected
>[  406.175139] [drm:haswell_write_eld] port num:0
>[  406.175140] [drm:haswell_write_eld] ELD size 8
>[  406.176305] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.176779] [drm:intel_dp_start_link_train] clock recovery OK
>[  406.177549] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.178315] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.179081] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.179841] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.180600] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.181358] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.182116] ------------[ cut here ]------------
>[  406.182146] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  406.182147] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  406.182179] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  406.182180] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  406.182181]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  406.182184]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  406.182186]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  406.182188] Call Trace:
>[  406.182192]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  406.182195]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  406.182197]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  406.182213]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  406.182229]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  406.182243]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  406.182257]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  406.182270]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  406.182291]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  406.182309]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  406.182326]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  406.182338]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  406.182345]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  406.182348]  [<ffffffff810aa211>] ? update_curr+0x141/0x200
>[  406.182359]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  406.182362]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  406.182364]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  406.182367]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  406.182369]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  406.182371]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  406.182373] ---[ end trace da0d50a401c56cb9 ]---
>[  406.183305] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.183776] [drm:intel_dp_start_link_train] clock recovery OK
>[  406.184546] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.185305] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.186064] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.186841] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.187604] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.188364] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.189121] ------------[ cut here ]------------
>[  406.189137] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  406.189138] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  406.189168] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  406.189169] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  406.189170]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  406.189172]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  406.189173]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  406.189175] Call Trace:
>[  406.189178]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  406.189180]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  406.189182]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  406.189196]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  406.189211]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  406.189224]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  406.189237]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  406.189249]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  406.189262]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  406.189274]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  406.189284]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  406.189294]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  406.189301]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  406.189303]  [<ffffffff810aa211>] ? update_curr+0x141/0x200
>[  406.189313]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  406.189315]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  406.189317]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  406.189319]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  406.189321]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  406.189323]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  406.189324] ---[ end trace da0d50a401c56cba ]---
>[  406.190238] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.190712] [drm:intel_dp_start_link_train] clock recovery OK
>[  406.191481] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.192241] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.193000] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.193759] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.194549] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.195345] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.196106] ------------[ cut here ]------------
>[  406.196124] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  406.196125] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  406.196155] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  406.196156] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  406.196157]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  406.196159]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  406.196161]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  406.196163] Call Trace:
>[  406.196165]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  406.196168]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  406.196170]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  406.196185]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  406.196200]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  406.196213]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  406.196227]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  406.196240]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  406.196252]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  406.196265]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  406.196276]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  406.196286]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  406.196293]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  406.196295]  [<ffffffff810aa211>] ? update_curr+0x141/0x200
>[  406.196305]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  406.196307]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  406.196309]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  406.196311]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  406.196313]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  406.196315]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  406.196316] ---[ end trace da0d50a401c56cbb ]---
>[  406.197249] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.197723] [drm:intel_dp_start_link_train] clock recovery OK
>[  406.198494] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.199254] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.200012] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.200771] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.201531] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.202296] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.203058] ------------[ cut here ]------------
>[  406.203074] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  406.203075] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  406.203105] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  406.203106] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  406.203107]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  406.203109]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  406.203110]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  406.203112] Call Trace:
>[  406.203115]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  406.203117]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  406.203119]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  406.203133]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  406.203148]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  406.203162]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  406.203175]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  406.203188]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  406.203200]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  406.203212]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  406.203223]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  406.203233]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  406.203240]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  406.203242]  [<ffffffff810aa211>] ? update_curr+0x141/0x200
>[  406.203252]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  406.203254]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  406.203256]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  406.203258]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  406.203260]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  406.203262]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  406.203263] ---[ end trace da0d50a401c56cbc ]---
>[  406.204177] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.204649] [drm:intel_dp_start_link_train] clock recovery OK
>[  406.205418] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.206176] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.206953] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.207713] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.208472] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.209231] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.209991] ------------[ cut here ]------------
>[  406.210007] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  406.210008] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  406.210037] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  406.210038] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  406.210039]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  406.210041]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  406.210043]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  406.210045] Call Trace:
>[  406.210047]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  406.210050]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  406.210052]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  406.210066]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  406.210079]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  406.210092]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  406.210106]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  406.210119]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  406.210132]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  406.210144]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  406.210154]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  406.210164]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  406.210171]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  406.210173]  [<ffffffff810aa211>] ? update_curr+0x141/0x200
>[  406.210183]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  406.210185]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  406.210187]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  406.210189]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  406.210191]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  406.210193]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  406.210194] ---[ end trace da0d50a401c56cbd ]---
>[  406.211126] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.211598] [drm:intel_dp_start_link_train] clock recovery OK
>[  406.212367] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.213125] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.213884] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.214661] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.215421] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.216179] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.216938] ------------[ cut here ]------------
>[  406.216953] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_dp.c:3732 intel_dp_link_down+0x223/0x260 [i915]()
>[  406.216954] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  406.216983] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  406.216984] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  406.216985]  0000000000000e94 ffff8800ba2cba28 ffffffff81796a07 0000000000000007
>[  406.216987]  0000000000000000 ffff8800ba2cba68 ffffffff810749ec ffff8800ba2cba98
>[  406.216989]  ffff880035820000 ffff88021eff50e0 ffff88021e9e2000 0000000080000006
>[  406.216990] Call Trace:
>[  406.216993]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  406.216995]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  406.216997]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  406.217011]  [<ffffffffc042fc53>] intel_dp_link_down+0x223/0x260 [i915]
>[  406.217025]  [<ffffffffc0436671>] intel_dp_complete_link_train+0x101/0x220 [i915]
>[  406.217038]  [<ffffffffc042df47>] intel_ddi_pre_enable+0x137/0x1b0 [i915]
>[  406.217051]  [<ffffffffc041b26c>] haswell_crtc_enable+0xfc/0x320 [i915]
>[  406.217064]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  406.217077]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  406.217089]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  406.217099]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  406.217109]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  406.217116]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  406.217118]  [<ffffffff810aa211>] ? update_curr+0x141/0x200
>[  406.217128]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  406.217130]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  406.217132]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  406.217134]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  406.217136]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  406.217137]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  406.217138] ---[ end trace da0d50a401c56cbe ]---
>[  406.218052] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[  406.218526] [drm:intel_dp_start_link_train] clock recovery OK
>[  406.218711] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
>[  406.263211] [drm:ironlake_update_primary_plane] Writing base 01881000 00000000 0 0 7680
>[  406.362546] ------------[ cut here ]------------
>[  406.362570] WARNING: CPU: 0 PID: 1335 at /home/apw/COD/linux/drivers/gpu/drm/drm_irq.c:1086 drm_wait_one_vblank+0x123/0x170 [drm]()
>[  406.362572] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_multitouch v4l2_common usbhid videodev media hid btusb ctr ccm input_polldev arc4 iwlmvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dm_multipath scsi_dh aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd joydev serio_raw rfcomm bnep lpc_ich snd_hda_codec_realtek bluetooth snd_hda_codec_generic snd_hda_codec_hdmi snd_seq_midi snd_hda_intel snd_seq_midi_event snd_hda_controller nvram snd_hda_codec snd_rawmidi snd_hwdep mac_hid snd_pcm iwlwifi mei_me mei cfg80211 binfmt_misc snd_seq snd_seq_device snd_timer snd soundcore parport_pc ppdev lp parport btrfs xor raid6_pq dm_mirror dm_region_hash dm_log psmouse wmi i915 video i2c_algo_bit drm_kms_helper drm ahci libahci e1000e ptp pps_core
>[  406.362608] CPU: 0 PID: 1335 Comm: Xorg Tainted: G        W      3.17.0-997-generic #201410040349
>[  406.362609] Hardware name: LENOVO 20BSST1050/20BSST1050, BIOS N14ET21W (0.21 ) 09/19/2014
>[  406.362611]  000000000000043e ffff8800ba2cba38 ffffffff81796a07 0000000000000007
>[  406.362613]  0000000000000000 ffff8800ba2cba78 ffffffff810749ec 0000000000000283
>[  406.362615]  ffff88021e9e2000 0000000000000001 0000000000000000 0000000000000000
>[  406.362617] Call Trace:
>[  406.362624]  [<ffffffff81796a07>] dump_stack+0x46/0x58
>[  406.362627]  [<ffffffff810749ec>] warn_slowpath_common+0x8c/0xc0
>[  406.362630]  [<ffffffff81074a3a>] warn_slowpath_null+0x1a/0x20
>[  406.362638]  [<ffffffffc032eb03>] drm_wait_one_vblank+0x123/0x170 [drm]
>[  406.362642]  [<ffffffff810b3e60>] ? add_wait_queue+0x60/0x60
>[  406.362664]  [<ffffffffc041574f>] intel_enable_primary_hw_plane.isra.73+0x9f/0xb0 [i915]
>[  406.362681]  [<ffffffffc0418ac6>] intel_crtc_enable_planes+0x36/0xf0 [i915]
>[  406.362697]  [<ffffffffc041b388>] haswell_crtc_enable+0x218/0x320 [i915]
>[  406.362712]  [<ffffffffc041a8d7>] __intel_set_mode+0x327/0x490 [i915]
>[  406.362727]  [<ffffffffc041d366>] intel_set_mode+0x16/0x30 [i915]
>[  406.362741]  [<ffffffffc041de66>] intel_crtc_set_config+0x1e6/0x370 [i915]
>[  406.362753]  [<ffffffffc0337f60>] drm_mode_set_config_internal+0x60/0x100 [drm]
>[  406.362765]  [<ffffffffc033ba00>] drm_mode_setcrtc+0x280/0x4d0 [drm]
>[  406.362773]  [<ffffffffc032ce46>] drm_ioctl+0x2e6/0x590 [drm]
>[  406.362775]  [<ffffffff810aa211>] ? update_curr+0x141/0x200
>[  406.362786]  [<ffffffffc033b780>] ? drm_mode_setplane+0x200/0x200 [drm]
>[  406.362789]  [<ffffffff811fc025>] do_vfs_ioctl+0x75/0x2c0
>[  406.362791]  [<ffffffff811e9f66>] ? vfs_write+0x196/0x1f0
>[  406.362795]  [<ffffffff81206735>] ? __fget_light+0x25/0x70
>[  406.362797]  [<ffffffff811fc301>] SyS_ioctl+0x91/0xb0
>[  406.362799]  [<ffffffff817a456d>] system_call_fastpath+0x1a/0x1f
>[  406.362801] ---[ end trace da0d50a401c56cbf ]---
>[  406.362809] [drm:intel_update_fbc] more than one pipe active, disabling compression
>[  406.362816] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
>[  406.362819] [drm:intel_connector_check_state] [CONNECTOR:27:DP-1]
>[  406.362823] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
>[  406.362825] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  406.362827] [drm:check_encoder_state] [ENCODER:28:DP MST-28]
>[  406.362828] [drm:check_encoder_state] [ENCODER:29:DP MST-29]
>[  406.362829] [drm:check_encoder_state] [ENCODER:30:DP MST-30]
>[  406.362830] [drm:check_encoder_state] [ENCODER:33:TMDS-33]
>[  406.362831] [drm:check_encoder_state] [ENCODER:35:DP MST-35]
>[  406.362832] [drm:check_encoder_state] [ENCODER:36:DP MST-36]
>[  406.362834] [drm:check_encoder_state] [ENCODER:37:DP MST-37]
>[  406.362835] [drm:check_crtc_state] [CRTC:8]
>[  406.362842] [drm:check_crtc_state] [CRTC:12]
>[  406.362848] [drm:check_crtc_state] [CRTC:16]
>[  406.362850] [drm:check_shared_dpll_state] WRPLL 1
>[  406.362851] [drm:check_shared_dpll_state] WRPLL 2
>[  406.368425] [drm:drm_mode_addfb] [FB:69]
>[  406.378490] [drm:add_framebuffer_internal] [FB:73]
>[  406.378506] [drm:add_framebuffer_internal] [FB:77]
>[  407.828020] [drm:edp_panel_vdd_off_sync] Turning eDP VDD off
>[  407.828029] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0003
>[  413.950246] [drm:intel_crtc_cursor_set_obj] cursor off
>[  413.950261] [drm:intel_crtc_cursor_set_obj] cursor off

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