[  463.992490] [drm:i915_gem_context_create_ioctl], HW context 2 created
[  464.080367] [drm:i915_gem_context_create_ioctl], HW context 3 created
[  475.599498] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
[  475.599504] [drm] capturing error event; look for more information in /sys/kernel/debug/dri/0/i915_error_state
[  475.602108] [drm:i915_error_work_func], resetting chip
[  475.602220] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe B
[  475.602222] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe C
[  475.602288] [drm:ironlake_update_plane], Writing base 079C2000 00000000 0 0 7680
[  475.605239] [drm:intel_dp_get_dpcd], DPCD: 12 0a 84 01 01 00 01 00 02 02 06 00 04 00 00
[  475.606042] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.627754] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.649562] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.649564] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[  475.649784] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[  475.649786] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
[  475.649963] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
[  475.649965] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
[  475.657456] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
[  475.657472] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40000, result 0
[  475.657473] [drm:intel_crt_detect], CRT not detected via hotplug
[  475.657632] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
[  475.657634] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  475.657635] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
[  475.657637] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
[  475.658133] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  475.658134] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
[  475.658136] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
[  475.658675] [drm:intel_dp_get_dpcd], DPCD: 12 0a 84 01 01 00 01 00 02 02 06 00 04 00 00
[  475.659459] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.681254] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.703045] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.703046] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[  475.703244] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[  475.703246] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
[  475.703431] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
[  475.703433] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
[  475.711442] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
[  475.711456] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40000, result 0
[  475.711457] [drm:intel_crt_detect], CRT not detected via hotplug
[  475.711615] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
[  475.711617] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  475.711618] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
[  475.711619] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
[  475.712124] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  475.712125] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
[  475.712127] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
[  475.712622] [drm:intel_dp_get_dpcd], DPCD: 12 0a 84 01 01 00 01 00 02 02 06 00 04 00 00
[  475.713400] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.735180] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.756970] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  475.756972] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[  475.757167] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[  475.757169] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
[  475.757345] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
[  475.757346] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
[  475.765424] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
[  475.765439] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40000, result 0
[  475.765440] [drm:intel_crt_detect], CRT not detected via hotplug
[  475.765600] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
[  475.765601] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  475.765603] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
[  475.765604] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
[  475.766095] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  475.766096] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
[  475.766097] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
[  483.593421] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
[  483.593527] [drm:i915_error_work_func], resetting chip
[  483.593666] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe B
[  483.593668] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe C
[  483.593772] [drm:ironlake_update_plane], Writing base 079C2000 00000000 0 0 7680
[  483.596438] [drm:intel_dp_get_dpcd], DPCD: 12 0a 84 01 01 00 01 00 02 02 06 00 04 00 00
[  483.597235] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.644579] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.666388] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.666390] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[  483.666617] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[  483.666619] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
[  483.666796] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
[  483.666798] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
[  483.674382] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
[  483.674400] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40000, result 0
[  483.674401] [drm:intel_crt_detect], CRT not detected via hotplug
[  483.674555] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
[  483.674557] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  483.674558] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
[  483.674560] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
[  483.675056] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  483.675057] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
[  483.675059] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
[  483.675621] [drm:intel_dp_get_dpcd], DPCD: 12 0a 84 01 01 00 01 00 02 02 06 00 04 00 00
[  483.676400] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.698298] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.725513] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.725518] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[  483.725754] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[  483.725757] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
[  483.725930] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
[  483.725931] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
[  483.733370] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
[  483.733388] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40000, result 0
[  483.733389] [drm:intel_crt_detect], CRT not detected via hotplug
[  483.733552] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
[  483.733554] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  483.733555] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
[  483.733556] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
[  483.734042] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  483.734043] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
[  483.734044] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
[  483.734591] [drm:intel_dp_get_dpcd], DPCD: 12 0a 84 01 01 00 01 00 02 02 06 00 04 00 00
[  483.735367] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.757139] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.778925] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
[  483.778927] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[  483.779124] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[  483.779126] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
[  483.779299] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
[  483.779300] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
[  483.787367] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
[  483.787377] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40000, result 0
[  483.787379] [drm:intel_crt_detect], CRT not detected via hotplug
[  483.787537] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
[  483.787538] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  483.787540] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
[  483.787541] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
[  483.788033] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
[  483.788034] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
[  483.788036] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]