Attachment 101999 Details for Bug 80704 – dmesg

dmesg

pm_rps.dmesg (text/plain), 124.72 KB, created by Guo Jinxian on 2014-06-30 07:04:58 UTC

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Description:

Filename:

MIME Type:

Creator: Guo Jinxian

Created: 2014-06-30 07:04:58 UTC

Size: 124.72 KB

patch

obsolete

>[    5.125515]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.125524]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.125534]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.125544]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.125555]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.125565]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.125573] ---[ end trace 74e46b99f069dc1c ]---
>[    5.162283] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[    5.165764] ------------[ cut here ]------------
>[    5.165832] WARNING: CPU: 0 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.165842] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.165866] CPU: 0 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.165876]  000000000000003b ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.165888]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.165900]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffff880002a10000
>[    5.165912] Call Trace:
>[    5.165921]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.165932]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.165992]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.166052]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.166113]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.166123]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.166184]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.166262]  [<ffffffffa00c77a2>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    5.166275]  [<ffffffffa004ad28>] ? drm_helper_probe_single_connector_modes_merge_bits+0xb9/0x2e2 [drm_kms_helper]
>[    5.166290]  [<ffffffffa004b7b3>] ? drm_fb_helper_probe_connector_modes+0x3d/0x4c [drm_kms_helper]
>[    5.166304]  [<ffffffffa004cbe3>] ? drm_fb_helper_initial_config+0x15c/0x3f6 [drm_kms_helper]
>[    5.166385]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.166408]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.166428]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.166439]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.166450]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.166460]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.166470]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.166480]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.166490]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.166499]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.166509]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.166519]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.166527]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.166536]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.166546]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.166556]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.166567]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.166577]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.166585] ---[ end trace 74e46b99f069dc1d ]---
>[    5.169764] ------------[ cut here ]------------
>[    5.169827] WARNING: CPU: 0 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.169837] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.169859] CPU: 0 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.169868]  00000000000000bd ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.169880]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.169892]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[    5.169904] Call Trace:
>[    5.169913]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.169923]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.169983]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.170043]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.170103]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.170114]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.170174]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[    5.170251]  [<ffffffffa00c74f5>] ? intel_hdmi_get_modes+0x2d/0x62 [i915]
>[    5.170264]  [<ffffffffa004adb5>] ? drm_helper_probe_single_connector_modes_merge_bits+0x146/0x2e2 [drm_kms_helper]
>[    5.170279]  [<ffffffffa004b7b3>] ? drm_fb_helper_probe_connector_modes+0x3d/0x4c [drm_kms_helper]
>[    5.170293]  [<ffffffffa004cbe3>] ? drm_fb_helper_initial_config+0x15c/0x3f6 [drm_kms_helper]
>[    5.170373]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.170396]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.170417]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.170427]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.170438]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.170448]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.170458]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.170468]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.170478]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.170487]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.170497]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.170506]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.170515]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.170524]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.170534]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.170544]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.170555]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.170565]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.170573] ---[ end trace 74e46b99f069dc1e ]---
>[    5.207464] [drm:drm_edid_to_eld] ELD monitor S23C570
>[    5.207472] [drm:parse_hdmi_vsdb] HDMI: DVI dual 0, max TMDS clock 0, latency present 0 0, video latency 0 0, audio latency 0 0
>[    5.207476] [drm:drm_edid_to_eld] ELD size 8, SAD count 1
>[    5.210766] ------------[ cut here ]------------
>[    5.210833] WARNING: CPU: 0 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.210842] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.210865] CPU: 0 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.210874]  000000000000004e ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.210886]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.210898]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffff880002a10000
>[    5.210910] Call Trace:
>[    5.210919]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.210929]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.210989]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.211049]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.211110]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.211120]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.211181]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.211258]  [<ffffffffa00c751e>] ? intel_hdmi_get_modes+0x56/0x62 [i915]
>[    5.211272]  [<ffffffffa004adb5>] ? drm_helper_probe_single_connector_modes_merge_bits+0x146/0x2e2 [drm_kms_helper]
>[    5.211287]  [<ffffffffa004b7b3>] ? drm_fb_helper_probe_connector_modes+0x3d/0x4c [drm_kms_helper]
>[    5.211301]  [<ffffffffa004cbe3>] ? drm_fb_helper_initial_config+0x15c/0x3f6 [drm_kms_helper]
>[    5.211381]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.211405]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.211425]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.211436]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.211447]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.211457]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.211467]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.211477]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.211487]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.211496]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.211506]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.211515]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.211524]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.211533]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.211543]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.211553]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.211563]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.211574]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.211581] ---[ end trace 74e46b99f069dc1f ]---
>[    5.211635] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:28:HDMI-A-3] probed modes :
>[    5.211644] [drm:drm_mode_debug_printmodeline] Modeline 32:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    5.211651] [drm:drm_mode_debug_printmodeline] Modeline 64:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    5.211658] [drm:drm_mode_debug_printmodeline] Modeline 60:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[    5.211665] [drm:drm_mode_debug_printmodeline] Modeline 42:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[    5.211672] [drm:drm_mode_debug_printmodeline] Modeline 41:"1600x900" 60 118963 1600 1696 1864 2128 900 901 904 932 0x0 0x6
>[    5.211680] [drm:drm_mode_debug_printmodeline] Modeline 50:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    5.211687] [drm:drm_mode_debug_printmodeline] Modeline 39:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    5.211694] [drm:drm_mode_debug_printmodeline] Modeline 40:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[    5.211701] [drm:drm_mode_debug_printmodeline] Modeline 38:"1280x800" 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
>[    5.211709] [drm:drm_mode_debug_printmodeline] Modeline 37:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    5.211716] [drm:drm_mode_debug_printmodeline] Modeline 33:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    5.211723] [drm:drm_mode_debug_printmodeline] Modeline 65:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    5.211730] [drm:drm_mode_debug_printmodeline] Modeline 34:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[    5.211738] [drm:drm_mode_debug_printmodeline] Modeline 51:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    5.211745] [drm:drm_mode_debug_printmodeline] Modeline 52:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[    5.211752] [drm:drm_mode_debug_printmodeline] Modeline 53:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    5.211769] [drm:drm_mode_debug_printmodeline] Modeline 54:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[    5.211776] [drm:drm_mode_debug_printmodeline] Modeline 55:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    5.211784] [drm:drm_mode_debug_printmodeline] Modeline 56:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[    5.211791] [drm:drm_mode_debug_printmodeline] Modeline 43:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    5.211798] [drm:drm_mode_debug_printmodeline] Modeline 44:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[    5.211805] [drm:drm_mode_debug_printmodeline] Modeline 35:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    5.211812] [drm:drm_mode_debug_printmodeline] Modeline 66:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    5.211819] [drm:drm_mode_debug_printmodeline] Modeline 36:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    5.211827] [drm:drm_mode_debug_printmodeline] Modeline 45:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    5.211834] [drm:drm_mode_debug_printmodeline] Modeline 46:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[    5.211841] [drm:drm_mode_debug_printmodeline] Modeline 47:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[    5.211848] [drm:drm_mode_debug_printmodeline] Modeline 48:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    5.211855] [drm:drm_mode_debug_printmodeline] Modeline 67:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    5.211862] [drm:drm_mode_debug_printmodeline] Modeline 49:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    5.211867] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:30:DP-2]
>[    5.215766] ------------[ cut here ]------------
>[    5.215829] WARNING: CPU: 0 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.215839] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.215861] CPU: 0 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.215871]  0000000000000070 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.215882]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.215894]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[    5.215906] Call Trace:
>[    5.215915]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.215925]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.215985]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.216045]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.216105]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.216116]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.216176]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[    5.216252]  [<ffffffffa00c17d5>] ? intel_dp_detect+0x44/0x27c [i915]
>[    5.216266]  [<ffffffffa004ad28>] ? drm_helper_probe_single_connector_modes_merge_bits+0xb9/0x2e2 [drm_kms_helper]
>[    5.216280]  [<ffffffffa004b7b3>] ? drm_fb_helper_probe_connector_modes+0x3d/0x4c [drm_kms_helper]
>[    5.216295]  [<ffffffffa004cbe3>] ? drm_fb_helper_initial_config+0x15c/0x3f6 [drm_kms_helper]
>[    5.216374]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.216398]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.216418]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.216428]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.216439]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.216449]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.216460]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.216470]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.216479]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.216488]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.216498]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.216508]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.216517]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.216526]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.216536]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.216546]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.216556]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.216567]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.216574] ---[ end trace 74e46b99f069dc20 ]---
>[    5.216582] [drm:intel_dp_detect] [CONNECTOR:30:DP-2]
>[    5.217082] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.217089] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 0
>[    5.217594] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.217600] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 1
>[    5.218105] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.218111] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 2
>[    5.218620] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.218626] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 3
>[    5.219131] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.219137] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 4
>[    5.219161] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    5.221267] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.221273] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 5
>[    5.221777] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.221783] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 6
>[    5.222288] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.222293] [drm:intel_hpd_irq_handler] HPD interrupt storm detected on PIN 2
>[    5.222799] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.223305] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.223325] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    5.225262] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.225769] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.226273] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.226779] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.227282] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    5.227305] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    5.232770] ------------[ cut here ]------------
>[    5.232834] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.232844] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.232867] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.232876]  0000000000000079 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.232888]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.232900]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffff880002a10000
>[    5.232911] Call Trace:
>[    5.232921]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.232931]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.232991]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.233051]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.233112]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.233122]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.233183]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.233259]  [<ffffffffa00c19f4>] ? intel_dp_detect+0x263/0x27c [i915]
>[    5.233272]  [<ffffffffa004ad28>] ? drm_helper_probe_single_connector_modes_merge_bits+0xb9/0x2e2 [drm_kms_helper]
>[    5.233287]  [<ffffffffa004b7b3>] ? drm_fb_helper_probe_connector_modes+0x3d/0x4c [drm_kms_helper]
>[    5.233301]  [<ffffffffa004cbe3>] ? drm_fb_helper_initial_config+0x15c/0x3f6 [drm_kms_helper]
>[    5.233381]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.233405]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.233425]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.233435]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.233446]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.233456]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.233467]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.233477]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.233486]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.233495]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.233505]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.233515]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.233524]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.233533]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.233543]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.233553]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.233563]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.233574]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.233581] ---[ end trace 74e46b99f069dc21 ]---
>[    5.233590] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:30:DP-2] disconnected
>[    5.233594] [drm:drm_setup_crtcs] 
>[    5.233600] [drm:drm_enable_connectors] connector 20 enabled? no
>[    5.233604] [drm:drm_enable_connectors] connector 24 enabled? no
>[    5.233608] [drm:drm_enable_connectors] connector 26 enabled? no
>[    5.233612] [drm:drm_enable_connectors] connector 28 enabled? yes
>[    5.233616] [drm:drm_enable_connectors] connector 30 enabled? no
>[    5.233621] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    5.233625] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    5.233629] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    5.233634] [drm:intel_fb_initial_config] looking for cmdline mode on connector HDMI-A-3
>[    5.233638] [drm:intel_fb_initial_config] looking for preferred mode on connector HDMI-A-3
>[    5.233643] [drm:intel_fb_initial_config] connector HDMI-A-3 on pipe C [CRTC:16]: 1920x1080
>[    5.233647] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    5.233652] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 16
>[    5.233658] [drm:intelfb_create] no BIOS fb, allocating a new one
>[    5.244664] [drm:intelfb_create] allocated 1920x1080 fb: 0x000a0000, bo ffff8800733eb340
>[    5.244852] fbcon: inteldrmfb (fb0) is primary device
>[    5.244971] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    5.244977] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    5.244980] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    5.244984] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    5.244988] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    5.244991] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    5.244995] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    5.244997] [drm:intel_set_config_compute_mode_changes] crtc has no fb, will flip
>[    5.244999] [drm:intel_set_config_compute_mode_changes] modes are different, full mode set
>[    5.245005] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.245010] [drm:drm_mode_debug_printmodeline] Modeline 57:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    5.245013] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=1, fb_changed=1
>[    5.245015] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    5.245021] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 4, prepare: 4, disable: 0
>[    5.245025] [drm:connected_sink_compute_bpp] [CONNECTOR:28:HDMI-A-3] checking for sink bpp constrains
>[    5.245032] [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI output
>[    5.245034] [drm:intel_hdmi_compute_config] forcing pipe bpc to 24 for HDMI
>[    5.245037] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[    5.245039] [drm:intel_dump_pipe_config] [CRTC:16][modeset] config for pipe C
>[    5.245041] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[    5.245043] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    5.245046] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.245049] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    5.245051] [drm:intel_dump_pipe_config] requested mode:
>[    5.245056] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    5.245057] [drm:intel_dump_pipe_config] adjusted mode:
>[    5.245062] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    5.245066] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x48 flags: 0x5
>[    5.245068] [drm:intel_dump_pipe_config] port clock: 148500
>[    5.245070] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    5.245072] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    5.245075] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.245076] [drm:intel_dump_pipe_config] ips: 0
>[    5.245078] [drm:intel_dump_pipe_config] double wide: 0
>[    5.270778] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=2, cursor=2, B: plane=2, cursor=2, SR: plane=0, cursor=0
>[    5.274772] ------------[ cut here ]------------
>[    5.274849] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_display.c:4478 valleyview_modeset_global_resources+0x67/0x211 [i915]()
>[    5.274858] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.274863] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.274868]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.274872]  ffffffffa00a65be ffff880002a10000 000000000000010a ffff8800730fb000
>[    5.274875]  ffff8800730fb308 ffffffffa00a65be 0000010a00000000 ffff880002539800
>[    5.274877] Call Trace:
>[    5.274885]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.274891]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.274958]  [<ffffffffa00a65be>] ? valleyview_modeset_global_resources+0x67/0x211 [i915]
>[    5.275026]  [<ffffffffa00a65be>] ? valleyview_modeset_global_resources+0x67/0x211 [i915]
>[    5.275093]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.275161]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.275229]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.275246]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.275252]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.275258]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.275325]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.275331]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.275398]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.275403]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.275408]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.275412]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.275416]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.275421]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.275426]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.275429]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.275434]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.275440]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.275513]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.275530]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.275544]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.275550]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.275555]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.275560]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.275565]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.275569]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.275572]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.275576]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.275580]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.275584]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.275588]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.275592]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.275597]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.275602]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.275606]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.275612]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.275614] ---[ end trace 74e46b99f069dc22 ]---
>[    5.334776] [drm:valleyview_set_cdclk] *ERROR* timed out waiting for CDclk change
>[    5.344773] ------------[ cut here ]------------
>[    5.344833] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.344840] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.344844] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.344848]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.344852]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.344855]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[    5.344856] Call Trace:
>[    5.344862]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.344866]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.344920]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.344974]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.345028]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.345031]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.345087]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[    5.345154]  [<ffffffffa00a6425>] ? modeset_update_crtc_power_domains+0x82/0x107 [i915]
>[    5.345222]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.345290]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.345357]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.345373]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.345379]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.345385]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.345452]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.345458]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.345524]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.345528]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.345532]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.345536]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.345540]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.345545]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.345549]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.345552]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.345557]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.345563]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.345635]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.345652]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.345666]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.345671]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.345675]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.345680]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.345684]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.345688]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.345692]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.345695]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.345699]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.345703]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.345706]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.345709]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.345713]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.345718]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.345722]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.345727]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.345729] ---[ end trace 74e46b99f069dc23 ]---
>[    5.348772] ------------[ cut here ]------------
>[    5.348828] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.348836] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.348839] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.348843]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.348847]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.348850]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[    5.348851] Call Trace:
>[    5.348856]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.348860]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.348914]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.348967]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.349021]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.349025]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.349080]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[    5.349147]  [<ffffffffa00a6425>] ? modeset_update_crtc_power_domains+0x82/0x107 [i915]
>[    5.349214]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.349282]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.349350]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.349365]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.349371]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.349377]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.349444]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.349449]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.349516]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.349520]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.349524]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.349527]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.349532]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.349536]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.349540]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.349543]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.349547]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.349554]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.349626]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.349643]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.349657]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.349661]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.349665]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.349670]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.349674]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.349678]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.349682]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.349685]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.349689]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.349693]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.349696]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.349699]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.349703]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.349707]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.349712]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.349717]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.349719] ---[ end trace 74e46b99f069dc24 ]---
>[    5.352773] ------------[ cut here ]------------
>[    5.352829] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.352837] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.352840] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.352844]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.352848]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.352851]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[    5.352852] Call Trace:
>[    5.352856]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.352861]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.352914]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.352968]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.353022]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.353026]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.353081]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[    5.353148]  [<ffffffffa00a6425>] ? modeset_update_crtc_power_domains+0x82/0x107 [i915]
>[    5.353215]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.353283]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.353350]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.353366]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.353372]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.353378]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.353445]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.353450]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.353517]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.353520]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.353524]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.353528]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.353532]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.353537]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.353540]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.353544]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.353548]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.353554]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.353626]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.353643]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.353657]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.353661]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.353666]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.353670]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.353675]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.353679]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.353682]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.353686]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.353689]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.353693]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.353696]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.353700]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.353704]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.353708]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.353713]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.353717]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.353719] ---[ end trace 74e46b99f069dc25 ]---
>[    5.360772] ------------[ cut here ]------------
>[    5.360828] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.360836] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.360839] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.360843]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.360847]  ffffffffa0068d95 00000000000c0000 00000000000c0000 ffff880002a10000
>[    5.360851]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd7c0 ffff880002a10000
>[    5.360851] Call Trace:
>[    5.360856]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.360860]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.360914]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.360967]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.361021]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.361025]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[    5.361081]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.361148]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.361215]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.361283]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.361350]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.361366]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.361372]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.361378]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.361445]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.361451]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.361517]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.361520]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.361524]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.361528]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.361532]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.361537]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.361540]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.361544]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.361548]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.361555]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.361627]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.361644]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.361658]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.361662]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.361666]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.361671]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.361675]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.361679]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.361683]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.361686]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.361690]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.361694]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.361697]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.361700]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.361704]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.361708]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.361713]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.361718]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.361720] ---[ end trace 74e46b99f069dc26 ]---
>[    5.361721] ------------[ cut here ]------------
>[    5.361775] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6171 check_power_well_state+0x69/0x6f [i915]()
>[    5.361786] state mismatch for 'dpio-tx-c-23' (always_on 0 hw state 0 use-count 4 disable_power_well 1
>[    5.361794] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.361797] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.361801]  0000000000000000 ffffffff8176358d ffff88007327f5a0 ffffffff8103954a
>[    5.361805]  ffffffffa006940f ffffffffa00fd7c0 ffff88007327f5f0 0000000000000005
>[    5.361808]  0000000000800000 ffffffff810395a6 ffffffffa00eb444 0000000000000030
>[    5.361809] Call Trace:
>[    5.361813]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.361818]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.361872]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.361876]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[    5.361930]  [<ffffffffa0068db2>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    5.361984]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.362039]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.362106]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.362173]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.362241]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.362308]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.362324]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.362330]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.362336]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.362402]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.362408]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.362475]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.362478]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.362482]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.362486]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.362490]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.362495]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.362498]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.362502]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.362506]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.362512]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.362584]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.362601]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.362615]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.362619]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.362624]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.362628]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.362633]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.362637]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.362640]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.362644]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.362647]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.362651]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.362654]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.362658]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.362662]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.362666]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.362671]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.362675]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.362677] ---[ end trace 74e46b99f069dc27 ]---
>[    5.365773] ------------[ cut here ]------------
>[    5.365829] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.365837] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.365840] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.365844]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.365848]  ffffffffa0068d95 0000000000030000 0000000000030000 ffff880002a10000
>[    5.365851]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd790 ffff880002a10000
>[    5.365852] Call Trace:
>[    5.365857]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.365861]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.365915]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.365968]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.366022]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.366077]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.366145]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.366212]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.366280]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.366347]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.366362]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.366368]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.366374]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.366441]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.366447]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.366514]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.366517]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.366521]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.366525]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.366529]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.366534]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.366537]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.366541]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.366545]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.366551]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.366623]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.366640]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.366654]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.366658]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.366663]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.366667]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.366672]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.366675]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.366679]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.366682]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.366686]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.366690]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.366693]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.366697]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.366701]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.366705]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.366709]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.366714]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.366716] ---[ end trace 74e46b99f069dc28 ]---
>[    5.366717] ------------[ cut here ]------------
>[    5.366772] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6171 check_power_well_state+0x69/0x6f [i915]()
>[    5.366783] state mismatch for 'dpio-tx-c-01' (always_on 0 hw state 0 use-count 4 disable_power_well 1
>[    5.366791] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.366794] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.366798]  0000000000000000 ffffffff8176358d ffff88007327f5a0 ffffffff8103954a
>[    5.366801]  ffffffffa006940f ffffffffa00fd790 ffff88007327f5f0 0000000000000004
>[    5.366805]  0000000000800000 ffffffff810395a6 ffffffffa00eb444 0000000000000030
>[    5.366806] Call Trace:
>[    5.366810]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.366815]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.366868]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.366873]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[    5.366927]  [<ffffffffa0068db2>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    5.366980]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.367036]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.367103]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.367170]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.367238]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.367305]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.367321]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.367326]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.367332]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.367399]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.367405]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.367472]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.367475]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.367479]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.367483]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.367487]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.367492]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.367495]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.367499]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.367503]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.367509]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.367581]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.367598]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.367612]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.367616]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.367621]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.367625]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.367630]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.367634]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.367637]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.367641]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.367645]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.367648]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.367651]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.367655]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.367659]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.367663]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.367668]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.367672]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.367674] ---[ end trace 74e46b99f069dc29 ]---
>[    5.370773] ------------[ cut here ]------------
>[    5.370829] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.370837] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.370841] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.370845]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.370848]  ffffffffa0068d95 000000000000c000 000000000000c000 ffff880002a10000
>[    5.370852]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd760 ffff880002a10000
>[    5.370852] Call Trace:
>[    5.370857]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.370861]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.370915]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.370968]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.371022]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.371078]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.371145]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.371212]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.371280]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.371347]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.371363]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.371368]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.371374]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.371441]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.371447]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.371514]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.371517]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.371521]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.371525]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.371529]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.371534]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.371537]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.371541]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.371545]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.371551]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.371623]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.371640]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.371654]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.371658]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.371663]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.371667]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.371671]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.371675]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.371679]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.371682]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.371686]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.371690]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.371693]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.371696]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.371700]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.371705]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.371709]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.371714]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.371716] ---[ end trace 74e46b99f069dc2a ]---
>[    5.371717] ------------[ cut here ]------------
>[    5.371772] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6171 check_power_well_state+0x69/0x6f [i915]()
>[    5.371782] state mismatch for 'dpio-tx-b-23' (always_on 0 hw state 0 use-count 4 disable_power_well 1
>[    5.371789] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.371793] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.371797]  0000000000000000 ffffffff8176358d ffff88007327f5a0 ffffffff8103954a
>[    5.371800]  ffffffffa006940f ffffffffa00fd760 ffff88007327f5f0 0000000000000003
>[    5.371804]  0000000000800000 ffffffff810395a6 ffffffffa00eb444 0000000000000030
>[    5.371805] Call Trace:
>[    5.371809]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.371813]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.371867]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.371872]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[    5.371925]  [<ffffffffa0068db2>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    5.371979]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.372035]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.372102]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.372169]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.372237]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.372304]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.372319]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.372325]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.372331]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.372398]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.372404]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.372471]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.372474]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.372478]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.372482]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.372486]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.372491]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.372494]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.372498]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.372502]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.372508]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.372580]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.372597]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.372611]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.372616]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.372620]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.372624]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.372629]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.372633]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.372636]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.372640]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.372644]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.372648]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.372651]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.372654]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.372658]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.372662]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.372667]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.372672]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.372674] ---[ end trace 74e46b99f069dc2b ]---
>[    5.375773] ------------[ cut here ]------------
>[    5.375830] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.375837] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.375841] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.375845]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.375848]  ffffffffa0068d95 0000000000003000 0000000000003000 ffff880002a10000
>[    5.375852]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd730 ffff880002a10000
>[    5.375852] Call Trace:
>[    5.375857]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.375861]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.375915]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.375968]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.376022]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.376078]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.376145]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.376212]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.376280]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.376347]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.376362]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.376368]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.376374]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.376441]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.376447]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.376513]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.376517]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.376521]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.376525]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.376529]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.376533]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.376537]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.376541]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.376545]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.376551]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.376623]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.376640]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.376654]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.376658]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.376662]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.376667]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.376671]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.376675]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.376679]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.376682]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.376686]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.376690]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.376693]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.376696]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.376700]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.376704]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.376709]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.376714]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.376715] ---[ end trace 74e46b99f069dc2c ]---
>[    5.376717] ------------[ cut here ]------------
>[    5.376771] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6171 check_power_well_state+0x69/0x6f [i915]()
>[    5.376782] state mismatch for 'dpio-tx-b-01' (always_on 0 hw state 0 use-count 4 disable_power_well 1
>[    5.376790] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.376793] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.376797]  0000000000000000 ffffffff8176358d ffff88007327f5a0 ffffffff8103954a
>[    5.376801]  ffffffffa006940f ffffffffa00fd730 ffff88007327f5f0 0000000000000002
>[    5.376804]  0000000000800000 ffffffff810395a6 ffffffffa00eb444 0000000000000030
>[    5.376805] Call Trace:
>[    5.376810]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.376814]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.376868]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.376872]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[    5.376926]  [<ffffffffa0068db2>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    5.376980]  [<ffffffffa006940f>] ? check_power_well_state+0x69/0x6f [i915]
>[    5.377035]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.377102]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.377169]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.377237]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.377304]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.377320]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.377326]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.377332]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.377399]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.377404]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.377471]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.377475]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.377479]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.377482]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.377487]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.377491]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.377495]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.377498]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.377502]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.377509]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.377581]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.377598]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.377612]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.377616]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.377621]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.377625]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.377629]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.377633]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.377637]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.377640]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.377644]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.377648]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.377651]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.377654]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.377658]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.377663]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.377667]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.377672]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.377674] ---[ end trace 74e46b99f069dc2d ]---
>[    5.380774] ------------[ cut here ]------------
>[    5.380830] WARNING: CPU: 1 PID: 1238 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    5.380837] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    5.380841] CPU: 1 PID: 1238 Comm: udevd Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[    5.380845]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[    5.380848]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[    5.380852]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffff880002a10000
>[    5.380853] Call Trace:
>[    5.380857]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[    5.380862]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[    5.380915]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.380969]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    5.381023]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[    5.381078]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[    5.381145]  [<ffffffffa00a6399>] ? intel_display_set_init_power+0x26/0x30 [i915]
>[    5.381212]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[    5.381280]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[    5.381348]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[    5.381363]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[    5.381369]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[    5.381375]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[    5.381442]  [<ffffffffa00b7657>] ? intel_fb_initial_config+0x442/0x442 [i915]
>[    5.381448]  [<ffffffffa004d200>] ? drm_fb_helper_set_par+0x38/0x55 [drm_kms_helper]
>[    5.381514]  [<ffffffffa00b7665>] ? intel_fbdev_set_par+0xe/0x4f [i915]
>[    5.381518]  [<ffffffff8135826d>] ? fbcon_init+0x2fa/0x400
>[    5.381522]  [<ffffffff813aada1>] ? visual_init+0xaf/0x102
>[    5.381526]  [<ffffffff813ac4cc>] ? do_bind_con_driver+0x19e/0x2c2
>[    5.381530]  [<ffffffff813aca91>] ? do_take_over_console+0x125/0x152
>[    5.381534]  [<ffffffff81357977>] ? do_fbcon_takeover+0x4e/0x8e
>[    5.381538]  [<ffffffff81054a21>] ? notifier_call_chain+0x32/0x52
>[    5.381542]  [<ffffffff81054c2c>] ? __blocking_notifier_call_chain+0x43/0x5b
>[    5.381546]  [<ffffffff8136131d>] ? register_framebuffer+0x26a/0x2a0
>[    5.381552]  [<ffffffffa004cdd7>] ? drm_fb_helper_initial_config+0x350/0x3f6 [drm_kms_helper]
>[    5.381624]  [<ffffffffa00d485b>] ? i915_driver_load+0xc15/0xdc6 [i915]
>[    5.381641]  [<ffffffffa00076a5>] ? drm_dev_register+0x72/0xe3 [drm]
>[    5.381655]  [<ffffffffa00095e8>] ? drm_get_pci_dev+0xf4/0x1b0 [drm]
>[    5.381659]  [<ffffffff813d03ec>] ? __pm_runtime_resume+0x58/0x64
>[    5.381663]  [<ffffffff813446a7>] ? local_pci_probe+0x34/0x77
>[    5.381668]  [<ffffffff813447ab>] ? pci_device_probe+0xc1/0xe5
>[    5.381672]  [<ffffffff813c9b4d>] ? driver_probe_device+0x9b/0x1cf
>[    5.381676]  [<ffffffff813c9d05>] ? __driver_attach+0x53/0x73
>[    5.381680]  [<ffffffff813c9cb2>] ? __device_attach+0x31/0x31
>[    5.381683]  [<ffffffff813c845a>] ? bus_for_each_dev+0x6e/0x78
>[    5.381687]  [<ffffffff813c9441>] ? bus_add_driver+0x100/0x1c9
>[    5.381691]  [<ffffffff813ca2e9>] ? driver_register+0x83/0xbb
>[    5.381694]  [<ffffffffa0114000>] ? 0xffffffffa0113fff
>[    5.381697]  [<ffffffff810002fa>] ? do_one_initcall+0xe3/0x165
>[    5.381701]  [<ffffffff8108a07d>] ? load_module+0x16b6/0x1bda
>[    5.381705]  [<ffffffff81087a0f>] ? store_uevent+0x30/0x30
>[    5.381710]  [<ffffffff8108a62f>] ? SyS_init_module+0x8e/0x99
>[    5.381715]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[    5.381717] ---[ end trace 74e46b99f069dc2e ]---
>[    5.381719] [drm:intel_display_power_put] disabling always-on
>[    5.396785] [drm:i9xx_update_primary_plane] Writing base 000A0000 00000000 0 0 7680
>[    5.518853] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=2, cursor=2, B: plane=2, cursor=2, SR: plane=0, cursor=0
>[    5.518875] [drm:intel_connector_check_state] [CONNECTOR:28:HDMI-A-3]
>[    5.518879] [drm:check_encoder_state] [ENCODER:19:TMDS-19]
>[    5.518882] [drm:check_encoder_state] [ENCODER:23:TMDS-23]
>[    5.518884] [drm:check_encoder_state] [ENCODER:25:TMDS-25]
>[    5.518886] [drm:check_encoder_state] [ENCODER:27:TMDS-27]
>[    5.518889] [drm:check_encoder_state] [ENCODER:29:TMDS-29]
>[    5.518891] [drm:check_crtc_state] [CRTC:6]
>[    5.518895] [drm:check_crtc_state] [CRTC:11]
>[    5.518897] [drm:check_crtc_state] [CRTC:16]
>[    5.526800] Console: switching to colour frame buffer device 240x67
>[    5.526817] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    5.526822] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    5.526825] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    6.746918] [drm:cherryview_enable_rps] GT fifo had a previous error 1080000
>[    6.746928] [drm:cherryview_enable_rps] PCBR offset : 0x7eef8001
>[    6.750840] [drm:cherryview_enable_rps] GPLL enabled? yes
>[    6.750843] [drm:cherryview_enable_rps] GPU status: 0x00202010
>[    6.750846] [drm:cherryview_enable_rps] current GPU freq: -1 MHz (32)
>[    6.750848] [drm:cherryview_enable_rps] setting GPU freq to -1 MHz (32)
>[    6.750851] [drm:valleyview_set_rps] GPU freq request from -1 MHz (32) to -1 MHz (32)
>[    8.581257] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>[    8.585698] i915 0000:00:02.0: registered panic notifier
>[    8.599123] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
>[    8.604727] acpi device:24: registered as cooling_device5
>[    8.609503] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8
>[    8.614440] [drm] Initialized i915 1.6.0 20140606 for 0000:00:02.0 on minor 0
>[    8.629734] dracut: Starting plymouth daemon
>[    8.654529] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    8.654538] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    8.654542] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.685883] [drm:i915_gem_open] 
>[    8.685971] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    8.685982] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    8.685988] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.685995] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    8.686000] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    8.686005] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.686011] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    8.686018] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    8.686023] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.686055] [drm:i915_gem_open] 
>[    8.686096] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    8.686103] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    8.686108] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.686113] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    8.686119] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    8.686123] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.686129] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    8.686135] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    8.686140] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.686168] [drm:i915_gem_open] 
>[    8.691785] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    8.691794] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    8.691800] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.691805] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    8.691811] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    8.691816] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.691822] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    8.691828] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    8.691833] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.692348] dracut: error: unexpectedly disconnected from boot status daemon
>[    8.712347] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    8.712355] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    8.712359] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    8.881803] ACPI: AC Adapter [ADP1] (on-line)
>[    8.928777] ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared
>[    8.941817] ACPI: Battery Slot [BAT0] (battery present)
>[    8.950356] input: PC Speaker as /devices/platform/pcspkr/input/input9
>[    8.965456] ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared
>[    8.972509] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
>[    8.977077] snd_hda_intel 0000:00:1b.0: irq 134 for MSI/MSI-X
>[    8.978559] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
>[    8.983848] r8169 0000:03:00.0: enabling device (0000 -> 0003)
>[    8.986613] ACPI: Battery Slot [BAT1] (battery absent)
>[    8.996433] r8169 0000:03:00.0: irq 135 for MSI/MSI-X
>[    8.996899] r8169 0000:03:00.0 eth1: RTL8168g/8111g at 0xffffc90000336000, 00:e0:4c:68:00:dd, XID 0c000800 IRQ 135
>[    9.002234] r8169 0000:03:00.0 eth1: jumbo features [frames: 9200 bytes, tx checksumming: ko]
>[    9.024001] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[    9.024010] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    9.024014] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[    9.043088] EXT4-fs (sda4): mounted filesystem with ordered data mode. Opts: (null)
>[    9.053436] sound hdaudioC0D0: autoconfig: line_outs=1 (0x1b/0x0/0x0/0x0/0x0) type:line
>[    9.058825] sound hdaudioC0D0:    speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
>[    9.064169] sound hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
>[    9.069472] sound hdaudioC0D0:    mono: mono_out=0x0
>[    9.074817] sound hdaudioC0D0:    dig-out=0x1e/0x0
>[    9.080147] sound hdaudioC0D0:    inputs:
>[    9.085406] sound hdaudioC0D0:      Internal Mic=0x12
>[    9.090680] sound hdaudioC0D0:      Rear Mic=0x19
>[    9.095878] sound hdaudioC0D0:      Front Mic=0x18
>[    9.101036] sound hdaudioC0D0:      Line=0x1a
>[    9.123037] dracut: Checking ext4: /dev/sda4
>[    9.128670] dracut: issuing e2fsck -a  /dev/sda4
>[    9.149039] dracut: /dev/sda4: clean, 435506/3276800 files, 10266530/13107200 blocks
>[    9.155472] dracut: Remounting /dev/sda4 with -o ro
>[    9.171045] EXT4-fs (sda4): mounted filesystem with ordered data mode. Opts: (null)
>[    9.185743] dracut: Mounted root filesystem /dev/sda4
>[    9.224190] device-mapper: uevent: version 1.0.3
>[    9.229595] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@redhat.com
>[    9.298343] dracut: Switching root
>[    9.389808] systemd[1]: systemd 204 running in system mode. (+PAM +LIBWRAP +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ)
>[    9.421663] systemd[1]: Failed to insert module 'ipv6'
>[    9.427530] random: nonblocking pool is initialized
>[    9.433077] systemd[1]: Set hostname to <x-bsw01>.
>[    9.472531] LVM: Logical Volume autoactivation enabled.
>[    9.478011] LVM: Activation generator successfully completed.
>[    9.573882] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
>[    9.579607] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
>[    9.585226] systemd[1]: Starting Syslog Socket.
>[    9.596757] systemd[1]: Listening on Syslog Socket.
>[    9.602451] systemd[1]: Starting Replay Read-Ahead Data...
>[    9.615164] systemd[1]: Starting Collect Read-Ahead Data...
>[    9.619282] systemd-readahead[2457]: Bumped block_nr parameter of 8:0 to 20480. This is a temporary hack and should be removed one day.
>[    9.634177] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
>[    9.637016] systemd-readahead[2458]: Failed to create fanotify object: Function not implemented
>[    9.652983] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
>[    9.659272] systemd[1]: Starting Delayed Shutdown Socket.
>[    9.672114] systemd[1]: Listening on Delayed Shutdown Socket.
>[    9.678558] systemd[1]: Starting udev Kernel Socket.
>[    9.691323] systemd[1]: Listening on udev Kernel Socket.
>[    9.697683] systemd[1]: Starting udev Control Socket.
>[    9.710339] systemd[1]: Listening on udev Control Socket.
>[    9.716473] systemd[1]: Starting Encrypted Volumes.
>[    9.728805] systemd[1]: Reached target Encrypted Volumes.
>[    9.734873] systemd[1]: Starting Arbitrary Executable File Formats File System Automount Point.
>[    9.747444] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
>[    9.753582] systemd[1]: Starting Journal Socket.
>[    9.765866] systemd[1]: Listening on Journal Socket.
>[    9.771914] systemd[1]: Starting Create static device nodes in /dev...
>[    9.785028] systemd[1]: Mounting POSIX Message Queue File System...
>[    9.798151] systemd[1]: Starting udev Coldplug all Devices...
>[    9.811109] systemd[1]: Mounting Debug File System...
>[    9.823961] systemd[1]: Starting Journal Service...
>[    9.843278] systemd[1]: Started Journal Service.
>[    9.849510] systemd[1]: Mounting Huge Pages File System...
>[    9.862529] systemd[1]: Starting LVM2 metadata daemon socket.
>[    9.874912] systemd[1]: Listening on LVM2 metadata daemon socket.
>[    9.881018] systemd[1]: Starting Device-mapper event daemon FIFOs.
>[    9.893595] systemd[1]: Listening on Device-mapper event daemon FIFOs.
>[    9.899761] systemd[1]: Starting Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling...
>[    9.913794] systemd[1]: Expecting device dev-disk-by\x2duuid-1a1b79a3\x2d6d33\x2d48d2\x2da27e\x2d1b5805d88291.device...
>[    9.926989] systemd[1]: Mounting Temporary Directory...
>[    9.943044] systemd[1]: tmp.mount: Directory /tmp to mount over is not empty, mounting anyway.
>[    9.950737] systemd[1]: Expecting device dev-disk-by\x2duuid-ABCD\x2d535B.device...
>[    9.963790] systemd[1]: Expecting device dev-disk-by\x2duuid-0a7e090c\x2dd2b9\x2d498e\x2dbc0d\x2d05c33717cb8c.device...
>[    9.977112] systemd[1]: Expecting device dev-disk-by\x2duuid-d79f918f\x2d693d\x2d4480\x2d91cf\x2d6840792221db.device...
>[    9.999039] systemd[1]: Started Replay Read-Ahead Data.
>[   10.006067] systemd[1]: systemd-readahead-collect.service: main process exited, code=exited, status=1/FAILURE
>[   10.020605] systemd[1]: Started Collect Read-Ahead Data.
>[   10.035733] systemd[1]: Started Create static device nodes in /dev.
>[   10.050347] systemd[1]: Mounted POSIX Message Queue File System.
>[   10.065935] systemd[1]: Mounted Debug File System.
>[   10.080131] systemd[1]: Mounted Huge Pages File System.
>[   10.094435] systemd[1]: Mounted Temporary Directory.
>[   10.108863] systemd[1]: Started udev Coldplug all Devices.
>[   10.115772] systemd[1]: Starting udev Kernel Device Manager...
>[   10.130810] systemd[1]: Starting Load legacy module configuration...
>[   10.134714] systemd-udevd[3313]: starting version 204
>[   10.152553] systemd[1]: Started File System Check on Root Device.
>[   10.159377] systemd[1]: Starting Remount Root and Kernel File Systems...
>[   10.175349] systemd[1]: Started Load Kernel Modules.
>[   10.182118] EXT4-fs (sda4): re-mounted. Opts: (null)
>[   10.189057] systemd[1]: Mounting FUSE Control File System...
>[   10.204136] systemd[1]: Mounted Configuration File System.
>[   10.212689] systemd[1]: Started Set Up Additional Binary Formats.
>[   10.219389] systemd[1]: Starting Setup Virtual Console...
>[   10.234530] systemd[1]: Starting Apply Kernel Variables...
>[   10.256249] systemd[1]: Started udev Kernel Device Manager.
>[   10.270553] systemd[1]: Mounted FUSE Control File System.
>[   10.277293] systemd[1]: Starting LVM2 metadata daemon...
>[   10.290680] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[   10.290689] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[   10.290693] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[   10.322363] systemd[1]: Started Load legacy module configuration.
>[   10.336965] systemd[1]: Started Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling.
>[   10.351719] systemd[1]: Started Remount Root and Kernel File Systems.
>[   10.366808] systemd[1]: Started Setup Virtual Console.
>[   10.381569] systemd[1]: Started Apply Kernel Variables.
>[   10.396343] systemd[1]: Started LVM2 metadata daemon.
>[   10.403514] systemd[1]: Starting Show Plymouth Boot Screen...
>[   10.420923] systemd[1]: Starting Local File Systems (Pre).
>[   10.436087] systemd[1]: Reached target Local File Systems (Pre).
>[   10.438319] systemd-udevd[3320]: renamed network interface p2p1 to enp3s0
>[   10.448947] systemd[1]: Starting Configure read-only root support...
>[   10.456920] systemd[1]: Started Import network configuration from initramfs.
>[   10.467623] systemd[1]: Starting Sound Card.
>[   10.474289] systemd[1]: Reached target Sound Card.
>[   10.541162] systemd-udevd[3321]: renamed network interface eth0 to enp0s20u2
>[   10.623274] Adding 3964924k swap on /dev/sda3.  Priority:-1 extents:1 across:3964924k SS
>[   10.697551] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
>[   10.722294] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: (null)
>[   10.740802] FAT-fs (sda1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
>[   10.776201] audit: type=1305 audit(978307210.735:2): audit_pid=3426 old=0 auid=4294967295 ses=4294967295 res=1
>[   12.022191] r8169 0000:03:00.0 enp3s0: link down
>[   13.795962] asix 1-2:1.0 enp0s20u2: link up, 100Mbps, full-duplex, lpa 0x45E1
>[   15.634573] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[   15.634581] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[   15.634585] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[   15.780301] option1 ttyUSB0: option_instat_callback: error -2
>[   17.084376] Ebtables v2.0 registered
>[   17.352017] ip_tables: (C) 2000-2006 Netfilter Core Team
>[   17.870629] NET: Registered protocol family 10
>[   17.873321] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
>[   17.900908] ip6_tables: (C) 2000-2006 Netfilter Core Team
>[   19.456071] option1 ttyUSB2: option_instat_callback: error -2
>[   29.045881] option1 ttyUSB3: option_instat_callback: error -2
>[   35.044411] option1 ttyUSB3: option_instat_callback: error -2
>[   41.105752] option1 ttyUSB2: option_instat_callback: error -2
>[  601.156633] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=2, cursor=2, B: plane=2, cursor=2, SR: plane=0, cursor=0
>[  601.160624] ------------[ cut here ]------------
>[  601.160661] WARNING: CPU: 0 PID: 720 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[  601.160689] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[  601.160695] CPU: 0 PID: 720 Comm: kworker/0:1 Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[  601.160703] Workqueue: events console_callback
>[  601.160708]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[  601.160712]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[  601.160715]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffff880002a10000
>[  601.160716] Call Trace:
>[  601.160724]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[  601.160731]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[  601.160756]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[  601.160781]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[  601.160806]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[  601.160811]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[  601.160838]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[  601.160873]  [<ffffffffa00a6859>] ? intel_crtc_update_dpms+0xf1/0x11b [i915]
>[  601.160906]  [<ffffffffa00adeb7>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  601.160913]  [<ffffffffa004d0ba>] ? drm_fb_helper_dpms.isra.5+0x87/0xc1 [drm_kms_helper]
>[  601.160920]  [<ffffffffa004d125>] ? drm_fb_helper_blank+0x31/0x34 [drm_kms_helper]
>[  601.160925]  [<ffffffff8135fc6d>] ? fb_blank+0x53/0x86
>[  601.160929]  [<ffffffff81358baa>] ? fbcon_blank+0x172/0x228
>[  601.160933]  [<ffffffff8176638b>] ? __schedule+0x4df/0x707
>[  601.160938]  [<ffffffff81042316>] ? lock_timer_base.isra.37+0x21/0x44
>[  601.160943]  [<ffffffff81042dad>] ? try_to_del_timer_sync+0x46/0x51
>[  601.160947]  [<ffffffff813ab39e>] ? do_blank_screen+0x182/0x24a
>[  601.160951]  [<ffffffff813ad73c>] ? console_callback+0xc6/0xed
>[  601.160956]  [<ffffffff8104c93f>] ? process_one_work+0x1d0/0x330
>[  601.160959]  [<ffffffff8104d36a>] ? worker_thread+0x2fa/0x3ea
>[  601.160963]  [<ffffffff8104d070>] ? cancel_delayed_work_sync+0xa/0xa
>[  601.160967]  [<ffffffff810518c2>] ? kthread+0xca/0xd2
>[  601.160971]  [<ffffffff810517f8>] ? kthread_create_on_node+0x165/0x165
>[  601.160975]  [<ffffffff81768fec>] ? ret_from_fork+0x7c/0xb0
>[  601.160980]  [<ffffffff810517f8>] ? kthread_create_on_node+0x165/0x165
>[  601.160982] ---[ end trace 74e46b99f069dc2f ]---
>[  601.164624] ------------[ cut here ]------------
>[  601.164651] WARNING: CPU: 0 PID: 720 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[  601.164676] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[  601.164680] CPU: 0 PID: 720 Comm: kworker/0:1 Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[  601.164685] Workqueue: events console_callback
>[  601.164689]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[  601.164692]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[  601.164696]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffff880002a10000
>[  601.164697] Call Trace:
>[  601.164701]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[  601.164705]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[  601.164730]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[  601.164755]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[  601.164780]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[  601.164784]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[  601.164810]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[  601.164843]  [<ffffffffa00a6859>] ? intel_crtc_update_dpms+0xf1/0x11b [i915]
>[  601.164876]  [<ffffffffa00adeb7>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  601.164883]  [<ffffffffa004d0ba>] ? drm_fb_helper_dpms.isra.5+0x87/0xc1 [drm_kms_helper]
>[  601.164889]  [<ffffffffa004d125>] ? drm_fb_helper_blank+0x31/0x34 [drm_kms_helper]
>[  601.164893]  [<ffffffff8135fc6d>] ? fb_blank+0x53/0x86
>[  601.164896]  [<ffffffff81358baa>] ? fbcon_blank+0x172/0x228
>[  601.164900]  [<ffffffff8176638b>] ? __schedule+0x4df/0x707
>[  601.164905]  [<ffffffff81042316>] ? lock_timer_base.isra.37+0x21/0x44
>[  601.164909]  [<ffffffff81042dad>] ? try_to_del_timer_sync+0x46/0x51
>[  601.164913]  [<ffffffff813ab39e>] ? do_blank_screen+0x182/0x24a
>[  601.164917]  [<ffffffff813ad73c>] ? console_callback+0xc6/0xed
>[  601.164921]  [<ffffffff8104c93f>] ? process_one_work+0x1d0/0x330
>[  601.164924]  [<ffffffff8104d36a>] ? worker_thread+0x2fa/0x3ea
>[  601.164928]  [<ffffffff8104d070>] ? cancel_delayed_work_sync+0xa/0xa
>[  601.164932]  [<ffffffff810518c2>] ? kthread+0xca/0xd2
>[  601.164936]  [<ffffffff810517f8>] ? kthread_create_on_node+0x165/0x165
>[  601.164940]  [<ffffffff81768fec>] ? ret_from_fork+0x7c/0xb0
>[  601.164944]  [<ffffffff810517f8>] ? kthread_create_on_node+0x165/0x165
>[  601.164946] ---[ end trace 74e46b99f069dc30 ]---
>[  601.168624] ------------[ cut here ]------------
>[  601.168651] WARNING: CPU: 0 PID: 720 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[  601.168676] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[  601.168680] CPU: 0 PID: 720 Comm: kworker/0:1 Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[  601.168685] Workqueue: events console_callback
>[  601.168689]  0000000000000000 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[  601.168692]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[  601.168695]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffff880002a10000
>[  601.168696] Call Trace:
>[  601.168700]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[  601.168705]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[  601.168729]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[  601.168754]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[  601.168779]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[  601.168783]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[  601.168809]  [<ffffffffa006e845>] ? intel_display_power_put+0xe3/0x105 [i915]
>[  601.168842]  [<ffffffffa00a6859>] ? intel_crtc_update_dpms+0xf1/0x11b [i915]
>[  601.168875]  [<ffffffffa00adeb7>] ? intel_connector_dpms+0x3f/0x4a [i915]
>[  601.168882]  [<ffffffffa004d0ba>] ? drm_fb_helper_dpms.isra.5+0x87/0xc1 [drm_kms_helper]
>[  601.168888]  [<ffffffffa004d125>] ? drm_fb_helper_blank+0x31/0x34 [drm_kms_helper]
>[  601.168892]  [<ffffffff8135fc6d>] ? fb_blank+0x53/0x86
>[  601.168895]  [<ffffffff81358baa>] ? fbcon_blank+0x172/0x228
>[  601.168899]  [<ffffffff8176638b>] ? __schedule+0x4df/0x707
>[  601.168904]  [<ffffffff81042316>] ? lock_timer_base.isra.37+0x21/0x44
>[  601.168908]  [<ffffffff81042dad>] ? try_to_del_timer_sync+0x46/0x51
>[  601.168912]  [<ffffffff813ab39e>] ? do_blank_screen+0x182/0x24a
>[  601.168916]  [<ffffffff813ad73c>] ? console_callback+0xc6/0xed
>[  601.168920]  [<ffffffff8104c93f>] ? process_one_work+0x1d0/0x330
>[  601.168923]  [<ffffffff8104d36a>] ? worker_thread+0x2fa/0x3ea
>[  601.168927]  [<ffffffff8104d070>] ? cancel_delayed_work_sync+0xa/0xa
>[  601.168931]  [<ffffffff810518c2>] ? kthread+0xca/0xd2
>[  601.168935]  [<ffffffff810517f8>] ? kthread_create_on_node+0x165/0x165
>[  601.168939]  [<ffffffff81768fec>] ? ret_from_fork+0x7c/0xb0
>[  601.168943]  [<ffffffff810517f8>] ? kthread_create_on_node+0x165/0x165
>[  601.168945] ---[ end trace 74e46b99f069dc31 ]---
>[  601.168953] [drm:check_encoder_state] [ENCODER:19:TMDS-19]
>[  601.168956] [drm:check_encoder_state] [ENCODER:23:TMDS-23]
>[  601.168958] [drm:check_encoder_state] [ENCODER:25:TMDS-25]
>[  601.168960] [drm:check_encoder_state] [ENCODER:27:TMDS-27]
>[  601.168963] [drm:check_encoder_state] [ENCODER:29:TMDS-29]
>[  601.168966] [drm:check_crtc_state] [CRTC:6]
>[  601.168969] [drm:check_crtc_state] [CRTC:11]
>[  601.168972] [drm:check_crtc_state] [CRTC:16]
>[ 2929.010918] [drm:i915_gem_open] 
>[ 2929.011001] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[ 2929.011011] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[ 2929.011018] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 2929.011024] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[ 2929.011030] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[ 2929.011035] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 2929.011041] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[ 2929.011047] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=1, fb_changed=0
>[ 2929.011053] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 2929.011059] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 4, prepare: 4, disable: 0
>[ 2929.011066] [drm:connected_sink_compute_bpp] [CONNECTOR:28:HDMI-A-3] checking for sink bpp constrains
>[ 2929.011075] [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI output
>[ 2929.011079] [drm:intel_hdmi_compute_config] forcing pipe bpc to 24 for HDMI
>[ 2929.011085] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0
>[ 2929.011090] [drm:intel_dump_pipe_config] [CRTC:16][modeset] config for pipe C
>[ 2929.011093] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[ 2929.011098] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[ 2929.011103] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[ 2929.011108] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[ 2929.011112] [drm:intel_dump_pipe_config] requested mode:
>[ 2929.011120] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[ 2929.011123] [drm:intel_dump_pipe_config] adjusted mode:
>[ 2929.011131] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[ 2929.011137] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x48 flags: 0x5
>[ 2929.011141] [drm:intel_dump_pipe_config] port clock: 148500
>[ 2929.011145] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[ 2929.011150] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[ 2929.011155] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[ 2929.011159] [drm:intel_dump_pipe_config] ips: 0
>[ 2929.011162] [drm:intel_dump_pipe_config] double wide: 0
>[ 2929.012548] ------------[ cut here ]------------
>[ 2929.017587] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[ 2929.022744] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2929.034109] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2929.039847]  ffff88007bd0e8b8 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[ 2929.045652]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[ 2929.051447]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[ 2929.057313] Call Trace:
>[ 2929.063133]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2929.069005]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2929.074898]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[ 2929.080812]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[ 2929.086679]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[ 2929.092509]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[ 2929.098344]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[ 2929.104202]  [<ffffffffa00a6425>] ? modeset_update_crtc_power_domains+0x82/0x107 [i915]
>[ 2929.110123]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[ 2929.116057]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[ 2929.121991]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[ 2929.127929]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[ 2929.133885]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[ 2929.139874]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[ 2929.145984]  [<ffffffffa00b807e>] ? intel_fbdev_restore_mode+0x15/0x3b [i915]
>[ 2929.152099]  [<ffffffffa0003793>] ? drm_lastclose+0x39/0x149 [drm]
>[ 2929.158216]  [<ffffffffa0003d64>] ? drm_release+0x4c1/0x4f9 [drm]
>[ 2929.164313]  [<ffffffff811089ea>] ? __fput+0xd7/0x192
>[ 2929.170407]  [<ffffffff8104f91a>] ? task_work_run+0x73/0x89
>[ 2929.176493]  [<ffffffff81002614>] ? do_notify_resume+0x59/0x68
>[ 2929.182571]  [<ffffffff8176931a>] ? int_signal+0x12/0x17
>[ 2929.188605] ---[ end trace 74e46b99f069dc32 ]---
>[ 2929.198545] ------------[ cut here ]------------
>[ 2929.204510] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[ 2929.210399] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2929.222609] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2929.228682]  ffff88007bd0e8b8 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[ 2929.234776]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[ 2929.240869]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[ 2929.246984] Call Trace:
>[ 2929.253016]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2929.259097]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2929.265216]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[ 2929.271350]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[ 2929.277486]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[ 2929.283610]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[ 2929.289727]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[ 2929.295886]  [<ffffffffa00a6425>] ? modeset_update_crtc_power_domains+0x82/0x107 [i915]
>[ 2929.302079]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[ 2929.308282]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[ 2929.314456]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[ 2929.320630]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[ 2929.326802]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[ 2929.333009]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[ 2929.339327]  [<ffffffffa00b807e>] ? intel_fbdev_restore_mode+0x15/0x3b [i915]
>[ 2929.345642]  [<ffffffffa0003793>] ? drm_lastclose+0x39/0x149 [drm]
>[ 2929.351956]  [<ffffffffa0003d64>] ? drm_release+0x4c1/0x4f9 [drm]
>[ 2929.358258]  [<ffffffff811089ea>] ? __fput+0xd7/0x192
>[ 2929.364557]  [<ffffffff8104f91a>] ? task_work_run+0x73/0x89
>[ 2929.370862]  [<ffffffff81002614>] ? do_notify_resume+0x59/0x68
>[ 2929.377171]  [<ffffffff8176931a>] ? int_signal+0x12/0x17
>[ 2929.383477] ---[ end trace 74e46b99f069dc33 ]---
>[ 2929.393552] ------------[ cut here ]------------
>[ 2929.399877] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/intel_pm.c:6109 vlv_power_well_enabled+0x68/0x91 [i915]()
>[ 2929.406373] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2929.420427] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2929.427529]  ffff88007bd0e8b8 ffffffff8176358d 0000000000000000 ffffffff8103954a
>[ 2929.434593]  ffffffffa0068d95 00000000000000c0 0000000000000000 ffff880002a10000
>[ 2929.441404]  ffff880002a18308 ffffffffa0068d95 ffffffffa00fd700 ffffffffa00fd700
>[ 2929.447986] Call Trace:
>[ 2929.454390]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2929.460761]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2929.467162]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[ 2929.473572]  [<ffffffffa0068d95>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[ 2929.479876]  [<ffffffffa00693b5>] ? check_power_well_state+0xf/0x6f [i915]
>[ 2929.486160]  [<ffffffff81767bd4>] ? mutex_lock+0x9/0x25
>[ 2929.492453]  [<ffffffffa006dd6e>] ? intel_display_power_get+0x9b/0xba [i915]
>[ 2929.498785]  [<ffffffffa00a6425>] ? modeset_update_crtc_power_domains+0x82/0x107 [i915]
>[ 2929.505208]  [<ffffffffa00a77f0>] ? __intel_set_mode+0xaf3/0x11f2 [i915]
>[ 2929.511629]  [<ffffffffa00adecd>] ? intel_set_mode+0xb/0x22 [i915]
>[ 2929.518038]  [<ffffffffa00aeb07>] ? intel_crtc_set_config+0x76b/0xa36 [i915]
>[ 2929.524438]  [<ffffffffa000c1f2>] ? drm_mode_set_config_internal+0x4b/0xb3 [drm]
>[ 2929.530818]  [<ffffffffa004b972>] ? restore_fbdev_mode+0x90/0xa5 [drm_kms_helper]
>[ 2929.537193]  [<ffffffffa004b9a1>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1a/0x2e [drm_kms_helper]
>[ 2929.543663]  [<ffffffffa00b807e>] ? intel_fbdev_restore_mode+0x15/0x3b [i915]
>[ 2929.550125]  [<ffffffffa0003793>] ? drm_lastclose+0x39/0x149 [drm]
>[ 2929.556568]  [<ffffffffa0003d64>] ? drm_release+0x4c1/0x4f9 [drm]
>[ 2929.562973]  [<ffffffff811089ea>] ? __fput+0xd7/0x192
>[ 2929.569310]  [<ffffffff8104f91a>] ? task_work_run+0x73/0x89
>[ 2929.575597]  [<ffffffff81002614>] ? do_notify_resume+0x59/0x68
>[ 2929.581864]  [<ffffffff8176931a>] ? int_signal+0x12/0x17
>[ 2929.588132] ---[ end trace 74e46b99f069dc34 ]---
>[ 2929.609572] [drm:i9xx_update_primary_plane] Writing base 000A0000 00000000 0 0 7680
>[ 2929.731638] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=2, cursor=2, B: plane=2, cursor=2, SR: plane=0, cursor=0
>[ 2929.731675] [drm:intel_connector_check_state] [CONNECTOR:28:HDMI-A-3]
>[ 2929.731682] [drm:check_encoder_state] [ENCODER:19:TMDS-19]
>[ 2929.731686] [drm:check_encoder_state] [ENCODER:23:TMDS-23]
>[ 2929.731691] [drm:check_encoder_state] [ENCODER:25:TMDS-25]
>[ 2929.731695] [drm:check_encoder_state] [ENCODER:27:TMDS-27]
>[ 2929.731700] [drm:check_encoder_state] [ENCODER:29:TMDS-29]
>[ 2929.731705] [drm:check_crtc_state] [CRTC:6]
>[ 2929.731711] [drm:check_crtc_state] [CRTC:11]
>[ 2929.731715] [drm:check_crtc_state] [CRTC:16]
>[ 2929.739631] [drm:i915_gem_open] 
>[ 2929.739939] [drm:valleyview_set_rps] GPU freq request from -1 MHz (16) to -1 MHz (48)
>[ 2929.741804] [drm:i915_gem_open] 
>[ 2929.741857] [drm:i915_gem_open] 
>[ 2929.741901] [drm:i915_gem_open] 
>[ 2934.742484] ------------[ cut here ]------------
>[ 2934.748824] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/i915_sysfs.c:57 calc_residency+0x65/0xdd [i915]()
>[ 2934.755286] bogus CZ count value
>[ 2934.755345] Modules linked in:
>[ 2934.761788]  ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2934.775892] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2934.782966]  ffff88007bd0e8b8 ffffffff8176358d ffff8800744fbdf8 ffffffff8103954a
>[ 2934.789851]  ffffffffa006731f ffff880002a10000 ffff8800744fbe48 ffff8800744fbf60
>[ 2934.796474]  0000000000138108 ffffffff810395a6 ffffffffa00eaf3f ffff880000000018
>[ 2934.802987] Call Trace:
>[ 2934.809373]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2934.815808]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2934.822254]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2934.828640]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[ 2934.835038]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2934.841444]  [<ffffffffa0067446>] ? show_rc6_ms+0x19/0x35 [i915]
>[ 2934.847811]  [<ffffffff813c6968>] ? dev_attr_show+0x14/0x40
>[ 2934.854216]  [<ffffffff8115f17d>] ? sysfs_kf_seq_show+0x77/0xc1
>[ 2934.860610]  [<ffffffff81121439>] ? seq_read+0x163/0x31f
>[ 2934.866982]  [<ffffffff81107455>] ? vfs_read+0x84/0x13e
>[ 2934.873309]  [<ffffffff81107e7a>] ? SyS_read+0x41/0x84
>[ 2934.879589]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[ 2934.885865] ---[ end trace 74e46b99f069dc35 ]---
>[ 2934.892415] ------------[ cut here ]------------
>[ 2934.898696] WARNING: CPU: 3 PID: 4462 at drivers/gpu/drm/i915/i915_sysfs.c:57 calc_residency+0x65/0xdd [i915]()
>[ 2934.905095] bogus CZ count value
>[ 2934.905154] Modules linked in:
>[ 2934.911504]  ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2934.925326] CPU: 3 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2934.932314]  ffff88007bd8e8b8 ffffffff8176358d ffff8800744fbdf0 ffffffff8103954a
>[ 2934.939364]  ffffffffa006731f ffff880002a10000 ffff8800744fbe40 ffff8800744fbf60
>[ 2934.946421]  000000000013810c ffffffff810395a6 ffffffffa00eaf3f ffff880000000018
>[ 2934.953508] Call Trace:
>[ 2934.960560]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2934.967672]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2934.974803]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2934.981929]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[ 2934.988976]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2934.995773]  [<ffffffffa00673fc>] ? show_rc6p_ms+0x1a/0x4b [i915]
>[ 2935.002279]  [<ffffffff813c6968>] ? dev_attr_show+0x14/0x40
>[ 2935.008653]  [<ffffffff8115f17d>] ? sysfs_kf_seq_show+0x77/0xc1
>[ 2935.014945]  [<ffffffff81121439>] ? seq_read+0x163/0x31f
>[ 2935.021216]  [<ffffffff81107455>] ? vfs_read+0x84/0x13e
>[ 2935.027436]  [<ffffffff81107e7a>] ? SyS_read+0x41/0x84
>[ 2935.033575]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[ 2935.039720] ---[ end trace 74e46b99f069dc36 ]---
>[ 2935.046014] ------------[ cut here ]------------
>[ 2935.052173] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/i915_sysfs.c:57 calc_residency+0x65/0xdd [i915]()
>[ 2935.058526] bogus CZ count value
>[ 2935.058584] Modules linked in:
>[ 2935.064908]  ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2935.078760] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2935.085774]  ffff88007bd0e8b8 ffffffff8176358d ffff8800744fbdf0 ffffffff8103954a
>[ 2935.092827]  ffffffffa006731f ffff880002a10000 ffff8800744fbe40 ffff8800744fbf60
>[ 2935.099863]  0000000000138110 ffffffff810395a6 ffffffffa00eaf3f ffff880000000018
>[ 2935.106911] Call Trace:
>[ 2935.113907]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2935.120938]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2935.127956]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2935.134905]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[ 2935.141857]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2935.148827]  [<ffffffffa00673b1>] ? show_rc6pp_ms+0x1a/0x4b [i915]
>[ 2935.155771]  [<ffffffff813c6968>] ? dev_attr_show+0x14/0x40
>[ 2935.162710]  [<ffffffff8115f17d>] ? sysfs_kf_seq_show+0x77/0xc1
>[ 2935.169656]  [<ffffffff81121439>] ? seq_read+0x163/0x31f
>[ 2935.176591]  [<ffffffff81107455>] ? vfs_read+0x84/0x13e
>[ 2935.183483]  [<ffffffff81107e7a>] ? SyS_read+0x41/0x84
>[ 2935.190346]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[ 2935.197141] ---[ end trace 74e46b99f069dc37 ]---
>[ 2938.204175] ------------[ cut here ]------------
>[ 2938.210675] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/i915_sysfs.c:57 calc_residency+0x65/0xdd [i915]()
>[ 2938.217044] bogus CZ count value
>[ 2938.217107] Modules linked in:
>[ 2938.223331]  ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2938.236838] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2938.243687]  ffff88007bd0e8b8 ffffffff8176358d ffff8800744fbdf8 ffffffff8103954a
>[ 2938.250555]  ffffffffa006731f ffff880002a10000 ffff8800744fbe48 ffff8800744fbf60
>[ 2938.257415]  0000000000138108 ffffffff810395a6 ffffffffa00eaf3f ffff880000000018
>[ 2938.264287] Call Trace:
>[ 2938.271116]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2938.277999]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2938.284913]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2938.291814]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[ 2938.298726]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2938.305658]  [<ffffffffa0067446>] ? show_rc6_ms+0x19/0x35 [i915]
>[ 2938.312566]  [<ffffffff813c6968>] ? dev_attr_show+0x14/0x40
>[ 2938.319493]  [<ffffffff8115f17d>] ? sysfs_kf_seq_show+0x77/0xc1
>[ 2938.326455]  [<ffffffff81121439>] ? seq_read+0x163/0x31f
>[ 2938.333398]  [<ffffffff81107455>] ? vfs_read+0x84/0x13e
>[ 2938.340289]  [<ffffffff81107e7a>] ? SyS_read+0x41/0x84
>[ 2938.347155]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[ 2938.353950] ---[ end trace 74e46b99f069dc38 ]---
>[ 2938.360768] ------------[ cut here ]------------
>[ 2938.367270] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/i915_sysfs.c:57 calc_residency+0x65/0xdd [i915]()
>[ 2938.373646] bogus CZ count value
>[ 2938.373704] Modules linked in:
>[ 2938.379918]  ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2938.393433] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2938.400287]  ffff88007bd0e8b8 ffffffff8176358d ffff8800744fbdf0 ffffffff8103954a
>[ 2938.407156]  ffffffffa006731f ffff880002a10000 ffff8800744fbe40 ffff8800744fbf60
>[ 2938.414018]  000000000013810c ffffffff810395a6 ffffffffa00eaf3f ffff880000000018
>[ 2938.420901] Call Trace:
>[ 2938.427733]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2938.434628]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2938.441548]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2938.448458]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[ 2938.455375]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2938.462310]  [<ffffffffa00673fc>] ? show_rc6p_ms+0x1a/0x4b [i915]
>[ 2938.469220]  [<ffffffff813c6968>] ? dev_attr_show+0x14/0x40
>[ 2938.476143]  [<ffffffff8115f17d>] ? sysfs_kf_seq_show+0x77/0xc1
>[ 2938.483105]  [<ffffffff81121439>] ? seq_read+0x163/0x31f
>[ 2938.490048]  [<ffffffff81107455>] ? vfs_read+0x84/0x13e
>[ 2938.496939]  [<ffffffff81107e7a>] ? SyS_read+0x41/0x84
>[ 2938.503806]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[ 2938.510604] ---[ end trace 74e46b99f069dc39 ]---
>[ 2938.517393] ------------[ cut here ]------------
>[ 2938.523884] WARNING: CPU: 2 PID: 4462 at drivers/gpu/drm/i915/i915_sysfs.c:57 calc_residency+0x65/0xdd [i915]()
>[ 2938.530260] bogus CZ count value
>[ 2938.530319] Modules linked in:
>[ 2938.536538]  ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel r8169 serio_raw snd_hda_controller snd_hda_codec snd_hwdep snd_pcm pcspkr snd_timer snd soundcore battery ac option usb_wwan usbserial i915 video button drm_kms_helper drm
>[ 2938.550052] CPU: 2 PID: 4462 Comm: pm_rc6_residenc Tainted: G        W     3.16.0-rc2_kcloud_1305a9_20140630+ #2
>[ 2938.556911]  ffff88007bd0e8b8 ffffffff8176358d ffff8800744fbdf0 ffffffff8103954a
>[ 2938.563790]  ffffffffa006731f ffff880002a10000 ffff8800744fbe40 ffff8800744fbf60
>[ 2938.570658]  0000000000138110 ffffffff810395a6 ffffffffa00eaf3f ffff880000000018
>[ 2938.577545] Call Trace:
>[ 2938.584381]  [<ffffffff8176358d>] ? dump_stack+0x41/0x51
>[ 2938.591273]  [<ffffffff8103954a>] ? warn_slowpath_common+0x74/0x89
>[ 2938.598192]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2938.605105]  [<ffffffff810395a6>] ? warn_slowpath_fmt+0x47/0x49
>[ 2938.612040]  [<ffffffffa006731f>] ? calc_residency+0x65/0xdd [i915]
>[ 2938.618996]  [<ffffffffa00673b1>] ? show_rc6pp_ms+0x1a/0x4b [i915]
>[ 2938.625927]  [<ffffffff813c6968>] ? dev_attr_show+0x14/0x40
>[ 2938.632866]  [<ffffffff8115f17d>] ? sysfs_kf_seq_show+0x77/0xc1
>[ 2938.639835]  [<ffffffff81121439>] ? seq_read+0x163/0x31f
>[ 2938.646787]  [<ffffffff81107455>] ? vfs_read+0x84/0x13e
>[ 2938.653686]  [<ffffffff81107e7a>] ? SyS_read+0x41/0x84
>[ 2938.660561]  [<ffffffff81769092>] ? system_call_fastpath+0x16/0x1b
>[ 2938.667364] ---[ end trace 74e46b99f069dc3a ]---
>[ 2938.674787] [drm:valleyview_set_rps] GPU freq request from -1 MHz (16) to -1 MHz (48)
>[ 2938.676301] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[ 2938.676311] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[ 2938.676317] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 2938.676323] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[ 2938.676329] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[ 2938.676334] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 2938.676340] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[ 2938.676346] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[ 2938.676351] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.629445] [drm:i915_gem_open] 
>[ 3234.629523] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[ 3234.629533] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[ 3234.629539] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.629546] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[ 3234.629552] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[ 3234.629557] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.629563] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[ 3234.629569] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[ 3234.629574] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.629603] [drm:i915_gem_open] 
>[ 3234.629641] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[ 3234.629648] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[ 3234.629653] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.629658] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[ 3234.629664] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[ 3234.629669] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.629675] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[ 3234.629681] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[ 3234.629686] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.629709] [drm:i915_gem_open] 
>[ 3234.629976] [drm:valleyview_set_rps] GPU freq request from -1 MHz (16) to -1 MHz (48)
>[ 3234.631496] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 3234.631671] [drm:i915_gem_open] 
>[ 3234.631727] [drm:i915_gem_open] 
>[ 3234.633834] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 3234.634849] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[ 3234.634861] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[ 3234.634866] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.634873] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[ 3234.634878] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[ 3234.634883] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]
>[ 3234.634889] [drm:intel_crtc_set_config] [CRTC:16] [FB:58] #connectors=1 (x y) (0 0)
>[ 3234.634895] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[ 3234.634901] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:HDMI-A-3] to [CRTC:16]

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