Attachment 103376 Details for Bug 81201 – dmesg

dmesg

dmesg_bytm02_kms_mmio_vs_cs_flip_0724.txt (text/plain), 62.93 KB, created by lu hua on 2014-07-24 05:50:48 UTC

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Description:

Filename:

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Creator: lu hua

Created: 2014-07-24 05:50:48 UTC

Size: 62.93 KB

patch

obsolete

>[  239.153280] console [netcon0] enabled
>[  239.156186] netconsole: network logging started
>[  239.176313] console [netcon0] disabled
>[  239.224570] console [netcon0] enabled
>[  239.227502] netconsole: network logging started
>[  264.346349] [drm:i915_gem_open] 
>[  264.349413] [drm:intel_crtc_set_config] [CRTC:7] [FB:34] #connectors=1 (x y) (0 0)
>[  264.352277] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=0
>[  264.355138] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.358029] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
>[  264.360979] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=0, fb_changed=0
>[  264.363962] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.367099] [drm:i915_gem_open] 
>[  264.372968] [drm:i915_gem_open] 
>[  264.376244] [drm:i915_gem_open] 
>[  264.379894] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.380063] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.383604] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.383691] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.383751] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.383811] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  264.384011] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  264.384163] [drm:_edp_panel_vdd_on] Turning eDP VDD on
>[  264.384221] [drm:_edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[  264.385012] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  264.385258] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  264.385636] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  264.385790] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  264.385839] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  264.385962] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.386113] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.386202] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.386331] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.386412] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.386631] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.386677] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.386721] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.386809] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.392536] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.392599] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.392800] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.392865] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.392924] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.392976] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.393396] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.393457] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.393536] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.393625] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.393688] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.393731] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.393775] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.393860] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.399509] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.399565] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.399866] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.399932] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.399991] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.400042] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.400459] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.400546] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.400602] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.401006] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.401103] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.401188] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.401246] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.401291] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.401336] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.402057] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.402127] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.402267] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.402324] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.402367] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.402411] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.402854] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.402918] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.403107] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.403196] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.403322] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.403380] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.403424] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.403673] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.403840] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.403894] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.403936] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.404123] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.404283] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.404362] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.404519] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.404580] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.404625] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.404731] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.405260] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.405427] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.405540] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.405627] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.405672] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.406214] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.406380] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.406785] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.406871] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.406973] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.407018] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  264.407194] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  264.407456] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  264.407728] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  264.408055] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  264.408209] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  264.408257] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  264.408312] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.408427] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.408580] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.408698] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.408782] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.408841] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.408885] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.408929] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.409011] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.414575] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.414632] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.414951] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.415017] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.415074] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.415185] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.415658] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.415723] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.415776] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.415925] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.415985] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.416029] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.416129] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.416214] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.423558] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.423612] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.423928] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.423994] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.424052] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.424161] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.424630] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.424693] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.424747] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.424890] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.424977] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.425102] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.425159] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.425202] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.425302] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.425719] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.425784] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.425923] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.425977] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.426020] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.426064] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.426449] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.426535] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.426674] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.426758] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.426845] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.426904] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.426948] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.427079] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.427212] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.427262] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.427305] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.427436] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.427599] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.427681] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.427766] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.427825] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.427870] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.427914] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.428411] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.428580] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.428635] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.428678] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.428721] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.429216] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.429355] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.429614] [drm:add_framebuffer_internal] [FB:35]
>[  264.463614] [drm:add_framebuffer_internal] [FB:36]
>[  264.472669] [drm:valleyview_set_rps] GPU freq request from 646 MHz (214) to 167 MHz (191)
>[  264.475734] [drm:add_framebuffer_internal] [FB:37]
>[  264.487286] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.487482] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.487544] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.487620] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  264.487762] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  264.488024] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  264.488268] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  264.488621] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  264.488775] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  264.488824] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  264.488881] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.488995] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.489080] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.489200] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.489284] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.489341] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.489385] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.489428] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.489511] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.495593] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.495647] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.495949] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.496014] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.496073] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.496125] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.496545] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.496630] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.496688] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.496773] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.496830] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.496873] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.496918] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.497000] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.502598] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.502653] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.502953] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.503018] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.503077] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.503129] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.503547] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.503639] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.503697] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.503783] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.503868] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.503954] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.504014] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.504058] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.504102] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.504485] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.504545] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.504708] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.504764] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.504807] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.504851] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.505234] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.505291] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.505428] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.505509] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.505622] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.505684] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.505729] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.505860] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.505994] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.506045] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.506088] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.506219] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.506350] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.506427] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.506514] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.506597] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.506643] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.506687] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.507190] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.507329] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.507380] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.507423] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.507466] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.507987] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.508128] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.508218] [drm:drm_mode_setcrtc] [CRTC:7]
>[  264.508398] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  264.508441] [drm:intel_crtc_set_config] [CRTC:7] [FB:37] #connectors=1 (x y) (0 0)
>[  264.508549] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  264.508618] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.508725] [drm:i9xx_update_primary_plane] Writing base 01093000 00000000 0 0 5504
>[  264.530758] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.530878] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.530940] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.530985] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  264.531121] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  264.531377] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  264.531648] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  264.531973] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  264.532127] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  264.532176] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  264.532235] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.532347] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.532434] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.532551] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.532668] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.532726] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.532771] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.532817] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.532900] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.538629] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.538684] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.538986] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.539051] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.539109] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.539161] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.539580] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.539667] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.539725] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.539810] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.539866] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.539909] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.539952] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.540035] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.545632] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.545687] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.545986] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.546051] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.546109] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.546161] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.546579] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.546672] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.546731] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.546818] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.546909] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.546995] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.547053] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.547097] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.547140] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.547522] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.547582] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.547744] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.547799] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.547844] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.547895] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.548275] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.548333] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.548471] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.548553] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.548668] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.548727] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.548772] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.548904] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.549035] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.549086] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.549135] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.549265] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.549396] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.549473] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.549558] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.549639] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.549684] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.549727] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.550225] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.550363] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.550421] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.550464] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.550507] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.551028] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.551168] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.551251] [drm:drm_mode_setcrtc] [CRTC:7]
>[  264.551330] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  264.551371] [drm:intel_crtc_set_config] [CRTC:7] [FB:36] #connectors=1 (x y) (0 0)
>[  264.551512] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  264.551556] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.551635] [drm:i9xx_update_primary_plane] Writing base 00C89000 00000000 0 0 5504
>[  264.580900] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  264.581001] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  264.598732] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.598825] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.598884] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.598930] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  264.599066] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  264.599318] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  264.599559] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  264.599934] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  264.600090] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  264.600138] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  264.600193] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  264.600304] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.600388] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.600505] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.600591] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.600679] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.600725] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.600768] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.600853] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.606694] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.606749] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.607051] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.607116] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.607175] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.607227] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.607672] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.607737] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.607791] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.607877] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.607934] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  264.607978] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  264.608021] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  264.608102] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  264.613685] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  264.613739] [drm:intel_crt_detect] CRT not detected via hotplug
>[  264.614036] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  264.614101] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.614160] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  264.614211] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  264.614629] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  264.614722] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  264.614783] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  264.614867] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  264.614954] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.615042] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.615099] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.615144] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.615190] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.615572] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.615630] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.615794] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.615849] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  264.615892] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  264.615935] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  264.616315] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  264.616373] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  264.616511] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  264.616593] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.616708] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.616770] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.616815] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.616946] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.617080] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.617130] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  264.617174] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  264.617305] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  264.617436] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  264.617515] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.617599] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  264.617679] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.617726] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.617769] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.618267] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.618405] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.618463] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  264.618506] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  264.618549] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  264.619069] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  264.619209] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  264.619292] [drm:drm_mode_setcrtc] [CRTC:7]
>[  264.619371] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  264.619412] [drm:intel_crtc_set_config] [CRTC:7] [FB:35] #connectors=1 (x y) (0 0)
>[  264.619522] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  264.619565] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.619621] [drm:i9xx_update_primary_plane] Writing base 0087F000 00000000 0 0 5504
>[  264.647100] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  264.664382] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  264.681797] [drm:drm_mode_setcrtc] [CRTC:7]
>[  264.681880] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  264.681922] [drm:intel_crtc_set_config] [CRTC:7] [FB:37] #connectors=1 (x y) (0 1)
>[  264.682025] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  264.682068] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.682123] [drm:i9xx_update_primary_plane] Writing base 01093000 00000580 352 0 5504
>[  264.713763] [drm:drm_mode_setcrtc] [CRTC:7]
>[  264.713842] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  264.713883] [drm:intel_crtc_set_config] [CRTC:7] [FB:37] #connectors=1 (x y) (0 0)
>[  264.713980] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  264.714023] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.714075] [drm:i9xx_update_primary_plane] Writing base 01093000 00000000 0 0 5504
>[  264.854656] [drm:drm_mode_setcrtc] [CRTC:7]
>[  264.854748] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  264.854791] [drm:intel_crtc_set_config] [CRTC:7] [FB:35] #connectors=1 (x y) (0 0)
>[  264.854998] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  264.855044] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  264.858515] [drm:valleyview_set_rps] GPU freq request from 167 MHz (191) to 167 MHz (191)
>[  264.864304] [drm:i9xx_update_primary_plane] Writing base 0087F000 00000000 0 0 5504
>[  264.948128] [drm:valleyview_set_rps] GPU freq request from 167 MHz (191) to 646 MHz (214)
>[  265.032708] [drm:valleyview_set_rps] GPU freq request from 646 MHz (214) to 646 MHz (214)
>[  265.117336] [drm:valleyview_set_rps] GPU freq request from 646 MHz (214) to 667 MHz (215)
>[  265.202006] [drm:valleyview_set_rps] GPU freq request from 667 MHz (215) to 667 MHz (215)
>[  265.286650] [drm:valleyview_set_rps] GPU freq request from 667 MHz (215) to 687 MHz (216)
>[  265.371363] [drm:valleyview_set_rps] GPU freq request from 687 MHz (216) to 729 MHz (218)
>[  265.456052] [drm:valleyview_set_rps] GPU freq request from 729 MHz (218) to 812 MHz (222)
>[  265.540925] [drm:valleyview_set_rps] GPU freq request from 812 MHz (222) to 854 MHz (224)
>[  265.626000] [drm:valleyview_set_rps] GPU freq request from 854 MHz (224) to 854 MHz (224)
>[  265.710220] [drm:valleyview_set_rps] GPU freq request from 854 MHz (224) to 854 MHz (224)
>[  265.728597] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  265.748399] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  265.765808] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.765905] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.765966] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  265.766013] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  265.766151] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  265.766460] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  265.766710] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  265.767038] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  265.767191] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  265.767240] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  265.767293] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  265.767404] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.767490] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.767649] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.767737] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.767796] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  265.767841] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  265.767885] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  265.767968] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  265.773636] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  265.773692] [drm:intel_crt_detect] CRT not detected via hotplug
>[  265.774003] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  265.774070] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  265.774128] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  265.774239] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  265.774722] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  265.774785] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  265.774839] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  265.774982] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  265.775037] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  265.775080] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  265.775180] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  265.775263] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  265.780673] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  265.780726] [drm:intel_crt_detect] CRT not detected via hotplug
>[  265.781039] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  265.781105] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  265.781163] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  265.781272] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  265.781736] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  265.781800] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  265.781855] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  265.781999] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  265.782188] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.782273] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.782372] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  265.782416] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  265.782459] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  265.782939] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  265.782999] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  265.783180] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  265.783233] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  265.783275] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  265.783376] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  265.783802] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  265.783862] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  265.784046] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  265.784128] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.784254] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.784312] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  265.784356] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  265.784543] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  265.784734] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  265.784788] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  265.784831] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  265.785021] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  265.785182] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  265.785261] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.785387] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  265.785444] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  265.785487] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  265.785588] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  265.786138] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  265.786306] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  265.786358] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  265.786401] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  265.786501] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  265.787054] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  265.787222] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  265.787304] [drm:drm_mode_setcrtc] [CRTC:7]
>[  265.787390] [drm:intel_crtc_set_config] [CRTC:7] [NOFB]
>[  265.787492] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=1, fb_changed=0
>[  265.787578] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [NOCRTC]
>[  265.787647] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  265.787736] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  265.787780] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[  265.787844] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 1
>[  265.788056] [drm:intel_set_memory_cxsr] memory self-refresh is disabled
>[  265.788300] [drm:intel_edp_backlight_off] 
>[  265.989218] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  265.989871] [drm:intel_edp_panel_off] Turn eDP power off
>[  265.989933] [drm:wait_panel_off] Wait for panel power off time
>[  265.989992] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
>[  266.034228] [drm:wait_panel_status] Wait complete
>[  266.051090] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000, dig 0x00000000
>[  266.051141] [drm:intel_hpd_irq_handler] digital hpd port 2 0
>[  266.051216] [drm:intel_dp_hpd_pulse] got hpd irq on port 2 - short
>[  266.051384] [drm:_edp_panel_vdd_on] Turning eDP VDD on
>[  266.051445] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  266.064000] [drm:intel_dp_link_down] 
>[  266.115347] [drm:intel_set_memory_cxsr] memory self-refresh is disabled
>[  266.115433] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=2, cursor=2, B: plane=2, cursor=2, SR: plane=0, cursor=0
>[  266.116974] [drm:vlv_update_cdclk] Current CD clock rate: 200000 kHz
>[  266.117187] [drm:check_encoder_state] [ENCODER:16:DAC-16]
>[  266.117279] [drm:check_encoder_state] [ENCODER:17:TMDS-17]
>[  266.117330] [drm:check_encoder_state] [ENCODER:22:TMDS-22]
>[  266.117381] [drm:check_encoder_state] [ENCODER:24:TMDS-24]
>[  266.117430] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  266.117480] [drm:check_crtc_state] [CRTC:7]
>[  266.117536] [drm:check_crtc_state] [CRTC:12]
>[  266.126272] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  266.126364] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  266.126427] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  266.126482] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  266.126617] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  266.126754] [drm:_edp_panel_vdd_on] Turning eDP VDD on
>[  266.126806] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  266.591314] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
>[  266.591388] [drm:wait_panel_status] Wait complete
>[  266.591460] [drm:_edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008
>[  266.591516] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0008
>[  266.591520] [drm:wait_panel_status] Wait complete
>[  266.591530] [drm:_edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008
>[  266.591533] [drm:_edp_panel_vdd_on] eDP was not running
>[  266.591729] [drm:_edp_panel_vdd_on] eDP was not running
>[  266.685293] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000, dig 0x00000000
>[  266.685354] [drm:intel_hpd_irq_handler] digital hpd port 2 0
>[  266.792642] ------------[ cut here ]------------
>[  266.792762] WARNING: CPU: 1 PID: 4688 at drivers/gpu/drm/i915/intel_dp.c:1235 intel_edp_panel_vdd_on+0x30/0x32 [i915]()
>[  266.792813] eDP VDD already requested on
>[  266.792860] Modules linked in: netconsole configfs ipv6 dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic[  266.793268] [drm:intel_dp_get_dpcd] DPCD: 11 0a 81 41 00 00 01 80 02 00 00 00 0f 07 00
>
>[  266.793355]  snd_hda_intel snd_hda_controller pcspkr snd_hda_codec nouveau snd_hwdep r8169 snd_pcm ttm lpc_ich snd_timer snd mfd_core i2c_i801 soundcore iosf_mbi battery wmi ac acpi_cpufreq[  266.794308] [drm:intel_dp_check_link_status] TMDS-26: channel EQ not ok, retraining
>
>[  266.794396]  uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  266.795058] BUG: unable to handle kernel NULL pointer dereference at 0000000000000408
>[  266.795098] IP: [<ffffffffa00e5f4f>] intel_dp_set_signal_levels+0x496/0x822 [i915]
>[  266.795105] PGD 2da1067 PUD 2fc1067 PMD 0 
>[  266.795108] Oops: 0000 [#1] SMP 
>[  266.795143] Modules linked in: netconsole configfs ipv6 dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel snd_hda_controller pcspkr snd_hda_codec nouveau snd_hwdep r8169 snd_pcm ttm lpc_ich snd_timer snd mfd_core i2c_i801 soundcore iosf_mbi battery wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  266.795147] CPU: 0 PID: 28 Comm: kworker/u8:1 Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
>[  266.795179] Workqueue: i915-dp i915_digport_work_func [i915]
>[  266.795181] task: ffff88017a6ba0f0 ti: ffff88017aacc000 task.ti: ffff88017aacc000
>[  266.795218] RIP: 0010:[<ffffffffa00e5f4f>]  [<ffffffffa00e5f4f>] intel_dp_set_signal_levels+0x496/0x822 [i915]
>[  266.795220] RSP: 0018:ffff88017aacfbc8  EFLAGS: 00010246
>[  266.795222] RAX: 0000000000000000 RBX: ffff880003510000 RCX: 0000000000000001
>[  266.795223] RDX: 0000000000000000 RSI: ffff88017aacfc7c RDI: ffff880173bc30d8
>[  266.795225] RBP: ffff88017aacfc38 R08: 0000000000000000 R09: 0000000000000000
>[  266.795226] R10: 000000000000000e R11: 0000000000000000 R12: ffff88017aacfc7c
>[  266.795228] R13: ffff880003517f00 R14: ffff880003510000 R15: ffff88017aacfc7c
>[  266.795230] FS:  0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
>[  266.795232] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  266.795234] CR2: 0000000000000408 CR3: 0000000002fad000 CR4: 00000000001007f0
>[  266.795234] Stack:
>[  266.795239]  0000000000000007 ffff880173bc3118 ffff88017aacfbe8 ffffffff81835bed
>[  266.795242]  ffff88017aacfc7c ffffffffa005961e ffff88017aacfc08 0000000800000107
>[  266.795246]  ffff88017aacfc7a ffff880173bc30d8 ffff88017aacfc7c ffff880003517f00
>[  266.795247] Call Trace:
>[  266.795255]  [<ffffffff81835bed>] ? mutex_unlock+0xe/0x10
>[  266.795266]  [<ffffffffa005961e>] ? drm_dp_dpcd_access+0x6d/0xe9 [drm_kms_helper]
>[  266.795303]  [<ffffffffa00e8523>] intel_dp_reset_link_train.constprop.16+0x21/0x36 [i915]
>[  266.795341]  [<ffffffffa00e9c05>] intel_dp_start_link_train+0xaf/0x1fc [i915]
>[  266.795378]  [<ffffffffa00ea796>] intel_dp_check_link_status+0x112/0x13e [i915]
>[  266.795415]  [<ffffffffa00ea8a8>] intel_dp_hpd_pulse+0xe6/0x13f [i915]
>[  266.795446]  [<ffffffffa00ac7fc>] i915_digport_work_func+0xe6/0xff [i915]
>[  266.795453]  [<ffffffff81056d72>] process_one_work+0x25a/0x442
>[  266.795457]  [<ffffffff81056cdf>] ? process_one_work+0x1c7/0x442
>[  266.795463]  [<ffffffff81057629>] worker_thread+0x2f8/0x400
>[  266.795467]  [<ffffffff81057331>] ? pool_mayday_timeout+0x12d/0x12d
>[  266.795471]  [<ffffffff8105cbf0>] kthread+0xed/0xf5
>[  266.795476]  [<ffffffff8105cb03>] ? __init_kthread_worker+0x5a/0x5a
>[  266.795480]  [<ffffffff8183796c>] ret_from_fork+0x7c/0xb0
>[  266.795484]  [<ffffffff8105cb03>] ? __init_kthread_worker+0x5a/0x5a
>[  266.795526] Code: ff 41 81 ff 00 08 00 00 75 bb e9 f6 fe ff ff 83 f8 02 74 0f 83 f8 03 74 06 ff c8 74 02 0f 0b 31 c9 eb 05 b9 01 00 00 00 44 88 f0 <44> 8b aa 08 04 00 00 83 e0 18 3c 08 0f 84 89 00 00 00 77 09 84 
>[  266.795562] RIP  [<ffffffffa00e5f4f>] intel_dp_set_signal_levels+0x496/0x822 [i915]
>[  266.795563]  RSP <ffff88017aacfbc8>
>[  266.795564] CR2: 0000000000000408
>[  266.964706] CPU: 1 PID: 4688 Comm: kms_mmio_vs_cs_ Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
>[  266.968869]  0000000000000009 ffff880071df7b38 ffffffff818302cf ffff88017fc8ee98
>[  266.973294]  ffff880071df7b88 ffff880071df7b78 ffffffff8103fa1c ffff880173bc30d8
>[  266.977680]  ffffffffa00e8bb7 ffff880173bc30d8 ffff880173bc3118 ffff880173bc30d8
>[  266.982006] Call Trace:
>[  266.986070]  [<ffffffff818302cf>] dump_stack+0x46/0x58
>[  266.990196]  [<ffffffff8103fa1c>] warn_slowpath_common+0x81/0x9b
>[  266.994241]  [<ffffffffa00e8bb7>] ? intel_edp_panel_vdd_on+0x30/0x32 [i915]
>[  266.998139]  [<ffffffff8103fad9>] warn_slowpath_fmt+0x46/0x48
>[  267.001904]  [<ffffffffa00e8bb7>] intel_edp_panel_vdd_on+0x30/0x32 [i915]
>[  267.005581]  [<ffffffffa00e8bd5>] intel_dp_probe_oui.part.14+0x1c/0xbb [i915]
>[  267.009193]  [<ffffffffa00e8e02>] intel_dp_detect+0x18e/0x228 [i915]
>[  267.012724]  [<ffffffffa005a067>] drm_helper_probe_single_connector_modes_merge_bits+0xc7/0x2f9 [drm_kms_helper]
>[  267.016302]  [<ffffffffa005a2be>] drm_helper_probe_single_connector_modes+0x13/0x15 [drm_kms_helper]
>[  267.019820]  [<ffffffffa000fe52>] drm_mode_getconnector+0xf7/0x3e8 [drm]
>[  267.023319]  [<ffffffffa0003223>] drm_ioctl+0x2bd/0x425 [drm]
>[  267.026810]  [<ffffffffa000fd5b>] ? drm_mode_getcrtc+0xc1/0xc1 [drm]
>[  267.030286]  [<ffffffff811566e6>] ? mntput_no_expire+0x63/0x214
>[  267.033742]  [<ffffffff8115669a>] ? mntput_no_expire+0x17/0x214
>[  267.037180]  [<ffffffff8114f5a1>] ? dput+0x27/0x16e
>[  267.040559]  [<ffffffff8114b525>] do_vfs_ioctl+0x455/0x49f
>[  267.043914]  [<ffffffff8113caea>] ? ____fput+0xe/0x10
>[  267.047233]  [<ffffffff81837a37>] ? sysret_check+0x1b/0x56
>[  267.050524]  [<ffffffff8114b5c2>] SyS_ioctl+0x53/0x81
>[  267.053763]  [<ffffffff81837a12>] system_call_fastpath+0x16/0x1b
>[  267.057002] ---[ end trace 8dd22f90f159cdbf ]---
>[  267.060492] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  267.064011] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  267.067230] ------------[ cut here ]------------
>[  267.070467] WARNING: CPU: 0 PID: 4688 at drivers/gpu/drm/i915/intel_dp.c:1293 edp_panel_vdd_off+0x3b/0x7d [i915]()
>[  267.073781] eDP VDD not forced on
>[  267.073899] Modules linked in: netconsole configfs ipv6 dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel snd_hda_controller pcspkr snd_hda_codec nouveau snd_hwdep r8169 snd_pcm ttm lpc_ich snd_timer snd mfd_core i2c_i801 soundcore iosf_mbi battery wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  267.090619] CPU: 0 PID: 4688 Comm: kms_mmio_vs_cs_ Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
>[  267.094585]  0000000000000009 ffff880071df7b28 ffffffff818302cf ffff88017fc0ee98
>[  267.098816]  ffff880071df7b78 ffff880071df7b68 ffffffff8103fa1c ffff880071df7b88
>[  267.103036]  ffffffffa00e7ba5 ffff880173bc30d8 ffff880173bc3100 ffff880173bc30d8
>[  267.107258] Call Trace:
>[  267.111224]  [<ffffffff818302cf>] dump_stack+0x46/0x58
>[  267.115259]  [<ffffffff8103fa1c>] warn_slowpath_common+0x81/0x9b
>[  267.119326]  [<ffffffffa00e7ba5>] ? edp_panel_vdd_off+0x3b/0x7d [i915]
>[  267.123384]  [<ffffffff8103fad9>] warn_slowpath_fmt+0x46/0x48
>[  267.127366]  [<ffffffffa00e7ba5>] edp_panel_vdd_off+0x3b/0x7d [i915]
>[  267.131220]  [<ffffffffa00e8c6d>] intel_dp_probe_oui.part.14+0xb4/0xbb [i915]
>[  267.135063]  [<ffffffffa00e8e02>] intel_dp_detect+0x18e/0x228 [i915]
>[  267.138840]  [<ffffffffa005a067>] drm_helper_probe_single_connector_modes_merge_bits+0xc7/0x2f9 [drm_kms_helper]
>[  267.142733]  [<ffffffffa005a2be>] drm_helper_probe_single_connector_modes+0x13/0x15 [drm_kms_helper]
>[  267.146554]  [<ffffffffa000fe52>] drm_mode_getconnector+0xf7/0x3e8 [drm]
>[  267.150284]  [<ffffffffa0003223>] drm_ioctl+0x2bd/0x425 [drm]
>[  267.153992]  [<ffffffffa000fd5b>] ? drm_mode_getcrtc+0xc1/0xc1 [drm]
>[  267.157714]  [<ffffffff811566e6>] ? mntput_no_expire+0x63/0x214
>[  267.161392]  [<ffffffff8115669a>] ? mntput_no_expire+0x17/0x214
>[  267.165010]  [<ffffffff8114f5a1>] ? dput+0x27/0x16e
>[  267.168611]  [<ffffffff8114b525>] do_vfs_ioctl+0x455/0x49f
>[  267.172213]  [<ffffffff8113caea>] ? ____fput+0xe/0x10
>[  267.175773]  [<ffffffff81837a37>] ? sysret_check+0x1b/0x56
>[  267.179313]  [<ffffffff8114b5c2>] SyS_ioctl+0x53/0x81
>[  267.182845]  [<ffffffff81837a12>] system_call_fastpath+0x16/0x1b
>[  267.186375] ---[ end trace 8dd22f90f159cdc0 ]---
>[  267.190066] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  267.193877] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  267.197437] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  267.201124] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  267.204825] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  267.208539] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  267.212249] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  267.215943] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  267.219545] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  267.222387] ---[ end trace 8dd22f90f159cdc1 ]---
>[  267.222482] BUG: unable to handle kernel paging request at ffffffffffffffa8
>[  267.222490] IP: [<ffffffff8105cf6b>] kthread_data+0x10/0x16
>[  267.222494] PGD 2011067 PUD 2013067 PMD 0 
>[  267.222497] Oops: 0000 [#2] SMP 
>[  267.222535] Modules linked in: netconsole configfs ipv6 dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel snd_hda_controller pcspkr snd_hda_codec nouveau snd_hwdep r8169 snd_pcm ttm lpc_ich snd_timer snd mfd_core i2c_i801 soundcore iosf_mbi battery wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  267.222539] CPU: 1 PID: 28 Comm: kworker/u8:1 Tainted: G      D W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
>[  267.222554] task: ffff88017a6ba0f0 ti: ffff88017aacc000 task.ti: ffff88017aacc000
>[  267.222560] RIP: 0010:[<ffffffff8105cf6b>]  [<ffffffff8105cf6b>] kthread_data+0x10/0x16
>[  267.222562] RSP: 0018:ffff88017aacf6e8  EFLAGS: 00010002
>[  267.222563] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff839abf80
>[  267.222565] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff88017a6ba0f0
>[  267.222567] RBP: ffff88017aacf6e8 R08: ffff88017a6ba180 R09: 0000000000000001
>[  267.222568] R10: 0000000000000001 R11: 000000000000b88a R12: 0000000000000001
>[  267.222570] R13: ffff88017a6ba600 R14: ffff88017aacf888 R15: ffff88017aacf470
>[  267.222572] FS:  0000000000000000(0000) GS:ffff88017fc80000(0000) knlGS:0000000000000000
>[  267.222574] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  267.222576] CR2: 0000000000000028 CR3: 0000000002fad000 CR4: 00000000001007e0
>[  267.222576] Stack:
>[  267.222581]  ffff88017aacf708 ffffffff8105790c ffffffff839abf80 ffff88017fc93140
>[  267.222585]  ffff88017aacf828 ffffffff81832ed2 ffff88017aacf768 ffff88017a6ba0f0
>[  267.222588]  0000000000013140 0000000000004000 0000000000000282 ffff88017a6ba0f0
>[  267.222589] Call Trace:
>[  267.222596]  [<ffffffff8105790c>] wq_worker_sleeping+0x12/0x89
>[  267.222601]  [<ffffffff81832ed2>] __schedule+0x165/0x967
>[  267.222606]  [<ffffffff81080d96>] ? trace_hardirqs_on+0xd/0xf
>[  267.222612]  [<ffffffff81371d05>] ? put_io_context+0x4d/0x87
>[  267.222616]  [<ffffffff81371e00>] ? put_io_context_active+0xa8/0xb1
>[  267.222619]  [<ffffffff8183373e>] schedule+0x6a/0x6c
>[  267.222624]  [<ffffffff81041f10>] do_exit+0x8c9/0x928
>[  267.222629]  [<ffffffff810056c7>] oops_end+0xa7/0xb0
>[  267.222632]  [<ffffffff8182b35f>] no_context+0x299/0x2c5
>[  267.222637]  [<ffffffff817321ac>] ? cpufreq_governor_dbs+0x5e1/0x5e1
>[  267.222641]  [<ffffffff8182b6a4>] __bad_area_nosemaphore+0x1ce/0x1ef
>[  267.222644]  [<ffffffff8182b6d8>] bad_area_nosemaphore+0x13/0x15
>[  267.222649]  [<ffffffff81035774>] __do_page_fault+0x416/0x4b5
>[  267.222654]  [<ffffffff810569b7>] ? queue_delayed_work_on+0x5d/0x6b
>[  267.222658]  [<ffffffff81080d2d>] ? trace_hardirqs_on_caller+0x142/0x19e
>[  267.222662]  [<ffffffff81080d96>] ? trace_hardirqs_on+0xd/0xf
>[  267.222667]  [<ffffffff813933dd>] ? trace_hardirqs_off_thunk+0x3a/0x3c
>[  267.222670]  [<ffffffff810358bc>] do_page_fault+0xc/0xe
>[  267.222674]  [<ffffffff818396b2>] page_fault+0x22/0x30
>[  267.222718]  [<ffffffffa00e5f4f>] ? intel_dp_set_signal_levels+0x496/0x822 [i915]
>[  267.222723]  [<ffffffff81835bed>] ? mutex_unlock+0xe/0x10
>[  267.222732]  [<ffffffffa005961e>] ? drm_dp_dpcd_access+0x6d/0xe9 [drm_kms_helper]
>[  267.222770]  [<ffffffffa00e8523>] intel_dp_reset_link_train.constprop.16+0x21/0x36 [i915]
>[  267.222807]  [<ffffffffa00e9c05>] intel_dp_start_link_train+0xaf/0x1fc [i915]
>[  267.222845]  [<ffffffffa00ea796>] intel_dp_check_link_status+0x112/0x13e [i915]
>[  267.222882]  [<ffffffffa00ea8a8>] intel_dp_hpd_pulse+0xe6/0x13f [i915]
>[  267.222913]  [<ffffffffa00ac7fc>] i915_digport_work_func+0xe6/0xff [i915]
>[  267.222918]  [<ffffffff81056d72>] process_one_work+0x25a/0x442
>[  267.222921]  [<ffffffff81056cdf>] ? process_one_work+0x1c7/0x442
>[  267.222927]  [<ffffffff81057629>] worker_thread+0x2f8/0x400
>[  267.222932]  [<ffffffff81057331>] ? pool_mayday_timeout+0x12d/0x12d
>[  267.222935]  [<ffffffff8105cbf0>] kthread+0xed/0xf5
>[  267.222940]  [<ffffffff8105cb03>] ? __init_kthread_worker+0x5a/0x5a
>[  267.222944]  [<ffffffff8183796c>] ret_from_fork+0x7c/0xb0
>[  267.222948]  [<ffffffff8105cb03>] ? __init_kthread_worker+0x5a/0x5a
>[  267.222989] Code: 00 ba 00 00 48 8b 80 b8 04 00 00 48 89 e5 5d 48 8b 40 98 48 c1 e8 02 83 e0 01 c3 0f 1f 44 00 00 48 8b 87 b8 04 00 00 55 48 89 e5 <48> 8b 40 a8 5d c3 0f 1f 44 00 00 55 ba 08 00 00 00 48 89 e5 48 
>[  267.222993] RIP  [<ffffffff8105cf6b>] kthread_data+0x10/0x16
>[  267.222994]  RSP <ffff88017aacf6e8>
>[  267.222995] CR2: ffffffffffffffa8
>[  267.222998] ---[ end trace 8dd22f90f159cdc2 ]---
>[  267.223000] Fixing recursive fault but reboot is needed!
>[  267.225579] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  267.225633] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  267.225703] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000

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