Attachment 89519 Details for Bug 64415 – Dmesg of next-queued kernel with patch

Dmesg of next-queued kernel with patch

dmesg_DP_patch_20131120.txt (text/plain), 123.20 KB, created by Qingshuai Tian on 2013-11-20 10:00:48 UTC

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Creator: Qingshuai Tian

Created: 2013-11-20 10:00:48 UTC

Size: 123.20 KB

patch

obsolete

>[  361.725809] [drm:intel_dump_pipe_config], port clock: 270000
>[  361.725811] [drm:intel_dump_pipe_config], pipe src size: 1280x720
>[  361.725812] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  361.725815] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  361.725817] [drm:intel_dump_pipe_config], ips: 0
>[  361.725819] [drm:intel_dump_pipe_config], double wide: 0
>[  361.726021] [drm:intel_dp_link_down], 
>[  361.782362] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  361.884428] ------------[ cut here ]------------
>[  361.884505] WARNING: CPU: 3 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  361.884510] pipe_off wait timed out
>[  361.884514] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  361.884621] CPU: 3 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  361.884626] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  361.884631]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  361.884651]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  361.884671]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 0000f06e f6e5c000
>[  361.884691] Call Trace:
>[  361.884705]  [<c17239c2>] dump_stack+0x41/0x52
>[  361.884718]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  361.884775]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  361.884784]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  361.884841]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  361.884899]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  361.884957]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  361.884991]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  361.885051]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  361.885111]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  361.885169]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  361.885208]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  361.885245]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  361.885281]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  361.885308]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  361.885344]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  361.885356]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  361.885364]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  361.885392]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  361.885402]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  361.885434]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  361.885458]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  361.885476]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  361.885494]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  361.885504] ---[ end trace d80d327cf698625c ]---
>[  361.891504] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  361.891517] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  361.891941] [drm:intel_update_fbc], no output, disabling
>[  361.892003] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  361.892007] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  361.892011] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  361.892014] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  361.892045] [drm:ironlake_update_plane], Writing base 09A45000 00000000 0 0 5120
>[  361.892059] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1280x720]
>[  361.892065] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  361.892070] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  361.892074] [drm:ironlake_write_eld], ELD on pipe A
>[  361.892079] [drm:ironlake_write_eld], Audio directed to unknown port
>[  361.892083] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  361.892714] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  361.892723] [drm:ironlake_check_srwm], watermark 1: display plane 26, fbc lines 3, cursor 6
>[  361.892728] [drm:ironlake_check_srwm], watermark 2: display plane 81, fbc lines 4, cursor 6
>[  361.944526] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  361.996559] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  361.996885] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  361.996889] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  361.997052] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  361.997056] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  361.997059] [drm:ironlake_fdi_link_train], FDI train done
>[  361.997062] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  361.997067] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  361.998465] [drm:intel_update_fbc], disabled per chip default
>[  361.998708] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  361.999108] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  361.999607] [drm:intel_dp_start_link_train], clock recovery OK
>[  362.000409] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  362.020529] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  362.020550] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  362.020559] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  362.020566] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  362.020575] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  362.020584] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  362.020593] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  362.020601] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  362.020610] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  362.020618] [drm:check_crtc_state], [CRTC:3]
>[  362.020671] [drm:check_crtc_state], [CRTC:5]
>[  362.020679] [drm:check_shared_dpll_state], PCH DPLL A
>[  362.020692] [drm:check_shared_dpll_state], PCH DPLL B
>[  367.024027] [drm:drm_mode_addfb], [FB:54]
>[  367.148692] [drm:drm_mode_setcrtc], [CRTC:3]
>[  367.148715] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  367.148723] [drm:intel_crtc_set_config], [CRTC:3] [FB:54] #connectors=1 (x y) (0 0)
>[  367.148733] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  367.148740] [drm:drm_mode_debug_printmodeline], Modeline 55:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  367.148750] [drm:drm_mode_debug_printmodeline], Modeline 55:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  367.148759] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  367.148769] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  367.148779] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  367.148789] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  367.148797] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 78800KHz
>[  367.148810] [drm:intel_dp_compute_config], DP link bw 0a lane count 1 clock 270000 bpp 24
>[  367.148818] [drm:intel_dp_compute_config], DP link bw required 189120 available 216000
>[  367.148829] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  367.148837] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  367.148845] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  367.148852] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  367.148898] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  367.148903] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 3672346, gmch_n: 4194304, link_m: 153014, link_n: 524288, tu: 64
>[  367.148914] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 3672346, gmch_n: 4194304, link_m: 153014, link_n: 524288, tu: 64
>[  367.148921] [drm:intel_dump_pipe_config], requested mode:
>[  367.148927] [drm:drm_mode_debug_printmodeline], Modeline 0:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  367.148934] [drm:intel_dump_pipe_config], adjusted mode:
>[  367.148938] [drm:drm_mode_debug_printmodeline], Modeline 0:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  367.148945] [drm:intel_dump_crtc_timings], crtc timings: 78800 1024 1040 1136 1312 768 769 772 800, type: 0x40 flags: 0x5
>[  367.148952] [drm:intel_dump_pipe_config], port clock: 270000
>[  367.148956] [drm:intel_dump_pipe_config], pipe src size: 1024x768
>[  367.148960] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  367.148965] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  367.148970] [drm:intel_dump_pipe_config], ips: 0
>[  367.148974] [drm:intel_dump_pipe_config], double wide: 0
>[  367.149239] [drm:intel_dp_link_down], 
>[  367.217783] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  367.319851] ------------[ cut here ]------------
>[  367.319920] WARNING: CPU: 3 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  367.319924] pipe_off wait timed out
>[  367.319927] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  367.320003] CPU: 3 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  367.320007] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  367.320010]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  367.320024]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  367.320037]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 000105a6 f6e5c000
>[  367.320051] Call Trace:
>[  367.320063]  [<c17239c2>] dump_stack+0x41/0x52
>[  367.320074]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  367.320124]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  367.320132]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  367.320182]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  367.320234]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  367.320284]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  367.320315]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  367.320368]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  367.320420]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  367.320473]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  367.320507]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  367.320539]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  367.320571]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  367.320595]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  367.320626]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  367.320635]  [<c10701f6>] ? ktime_get+0x5e/0xce
>[  367.320659]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  367.320666]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  367.320672]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  367.320679]  [<c107735c>] ? tick_program_event+0x24/0x29
>[  367.320686]  [<c104af97>] ? hrtimer_interrupt+0x13b/0x1ef
>[  367.320693]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  367.320700]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  367.320704] ---[ end trace d80d327cf698625d ]---
>[  367.324871] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  367.324884] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  367.325306] [drm:intel_update_fbc], no output, disabling
>[  367.325368] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  367.325372] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  367.325376] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  367.325380] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  367.325412] [drm:ironlake_update_plane], Writing base 09DC9000 00000000 0 0 4096
>[  367.325425] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1024x768]
>[  367.325431] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  367.325436] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  367.325440] [drm:ironlake_write_eld], ELD on pipe A
>[  367.325446] [drm:ironlake_write_eld], Audio directed to unknown port
>[  367.325449] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  367.326116] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  367.326124] [drm:ironlake_check_srwm], watermark 1: display plane 27, fbc lines 3, cursor 6
>[  367.326129] [drm:ironlake_check_srwm], watermark 2: display plane 86, fbc lines 4, cursor 10
>[  367.377877] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  367.429909] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  367.430235] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  367.430239] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  367.430401] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  367.430405] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  367.430408] [drm:ironlake_fdi_link_train], FDI train done
>[  367.430412] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  367.430417] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  367.431815] [drm:intel_update_fbc], disabled per chip default
>[  367.431996] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  367.432445] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  367.432941] [drm:intel_dp_start_link_train], clock recovery OK
>[  367.433733] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  367.447939] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  367.447958] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  367.447966] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  367.447971] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  367.447978] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  367.447985] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  367.447992] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  367.447998] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  367.448005] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  367.448012] [drm:check_crtc_state], [CRTC:3]
>[  367.448056] [drm:check_crtc_state], [CRTC:5]
>[  367.448059] [drm:check_shared_dpll_state], PCH DPLL A
>[  367.448065] [drm:check_shared_dpll_state], PCH DPLL B
>[  372.451353] [drm:drm_mode_addfb], [FB:53]
>[  372.516464] [drm:drm_mode_setcrtc], [CRTC:3]
>[  372.516477] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  372.516480] [drm:intel_crtc_set_config], [CRTC:3] [FB:53] #connectors=1 (x y) (0 0)
>[  372.516486] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  372.516489] [drm:drm_mode_debug_printmodeline], Modeline 55:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  372.516492] [drm:drm_mode_debug_printmodeline], Modeline 55:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  372.516496] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  372.516500] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  372.516504] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  372.516508] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  372.516511] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 65000KHz
>[  372.516518] [drm:intel_dp_compute_config], DP link bw 0a lane count 1 clock 270000 bpp 24
>[  372.516520] [drm:intel_dp_compute_config], DP link bw required 156000 available 216000
>[  372.516526] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  372.516528] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  372.516531] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  372.516533] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  372.516535] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  372.516537] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 3029219, gmch_n: 4194304, link_m: 126217, link_n: 524288, tu: 64
>[  372.516540] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 3029219, gmch_n: 4194304, link_m: 126217, link_n: 524288, tu: 64
>[  372.516543] [drm:intel_dump_pipe_config], requested mode:
>[  372.516544] [drm:drm_mode_debug_printmodeline], Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  372.516548] [drm:intel_dump_pipe_config], adjusted mode:
>[  372.516550] [drm:drm_mode_debug_printmodeline], Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  372.516553] [drm:intel_dump_crtc_timings], crtc timings: 65000 1024 1048 1184 1344 768 771 777 806, type: 0x40 flags: 0xa
>[  372.516556] [drm:intel_dump_pipe_config], port clock: 270000
>[  372.516558] [drm:intel_dump_pipe_config], pipe src size: 1024x768
>[  372.516559] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  372.516562] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  372.516564] [drm:intel_dump_pipe_config], ips: 0
>[  372.516566] [drm:intel_dump_pipe_config], double wide: 0
>[  372.516752] [drm:intel_dp_link_down], 
>[  372.579021] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  372.681084] ------------[ cut here ]------------
>[  372.681159] WARNING: CPU: 0 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  372.681164] pipe_off wait timed out
>[  372.681168] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  372.681247] CPU: 0 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  372.681250] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  372.681252]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  372.681261]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  372.681270]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 00011a94 f6e5c000
>[  372.681279] Call Trace:
>[  372.681287]  [<c17239c2>] dump_stack+0x41/0x52
>[  372.681295]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  372.681320]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  372.681324]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  372.681350]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  372.681376]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  372.681402]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  372.681420]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  372.681448]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  372.681475]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  372.681501]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  372.681520]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  372.681536]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  372.681553]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  372.681565]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  372.681581]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  372.681587]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  372.681591]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  372.681603]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  372.681608]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  372.681612]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  372.681616]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  372.681620]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  372.681625]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  372.681627] ---[ end trace d80d327cf698625e ]---
>[  372.687165] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  372.687181] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  372.687602] [drm:intel_update_fbc], no output, disabling
>[  372.687637] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  372.687640] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  372.687642] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  372.687644] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  372.687667] [drm:ironlake_update_plane], Writing base 0A0C9000 00000000 0 0 4096
>[  372.687675] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1024x768]
>[  372.687680] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  372.687683] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  372.687685] [drm:ironlake_write_eld], ELD on pipe A
>[  372.687689] [drm:ironlake_write_eld], Audio directed to unknown port
>[  372.687691] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  372.688294] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 5, cursor: 6
>[  372.688299] [drm:ironlake_check_srwm], watermark 1: display plane 23, fbc lines 3, cursor 6
>[  372.688302] [drm:ironlake_check_srwm], watermark 2: display plane 66, fbc lines 4, cursor 6
>[  372.740188] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  372.792221] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  372.792544] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  372.792546] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  372.792706] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  372.792708] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  372.792709] [drm:ironlake_fdi_link_train], FDI train done
>[  372.792711] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  372.792714] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  372.794100] [drm:intel_update_fbc], disabled per chip default
>[  372.794305] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  372.794746] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  372.795247] [drm:intel_dp_start_link_train], clock recovery OK
>[  372.796041] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  372.814179] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  372.814200] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  372.814209] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  372.814216] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  372.814225] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  372.814234] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  372.814243] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  372.814251] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  372.814260] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  372.814268] [drm:check_crtc_state], [CRTC:3]
>[  372.814319] [drm:check_crtc_state], [CRTC:5]
>[  372.814322] [drm:check_shared_dpll_state], PCH DPLL A
>[  372.814330] [drm:check_shared_dpll_state], PCH DPLL B
>[  377.817612] [drm:drm_mode_addfb], [FB:54]
>[  377.877209] [drm:drm_mode_setcrtc], [CRTC:3]
>[  377.877220] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  377.877223] [drm:intel_crtc_set_config], [CRTC:3] [FB:54] #connectors=1 (x y) (0 0)
>[  377.877229] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  377.877231] [drm:drm_mode_debug_printmodeline], Modeline 55:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  377.877235] [drm:drm_mode_debug_printmodeline], Modeline 55:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  377.877239] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  377.877242] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  377.877246] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  377.877249] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  377.877253] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 49500KHz
>[  377.877259] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  377.877261] [drm:intel_dp_compute_config], DP link bw required 118800 available 129600
>[  377.877278] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  377.877280] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  377.877285] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  377.877292] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  377.877296] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  377.877301] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 2306867, gmch_n: 4194304, link_m: 96119, link_n: 524288, tu: 64
>[  377.877308] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 1922389, gmch_n: 2097152, link_m: 80099, link_n: 262144, tu: 64
>[  377.877314] [drm:intel_dump_pipe_config], requested mode:
>[  377.877319] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  377.877326] [drm:intel_dump_pipe_config], adjusted mode:
>[  377.877332] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  377.877335] [drm:intel_dump_crtc_timings], crtc timings: 49500 800 816 896 1056 600 601 604 625, type: 0x40 flags: 0x5
>[  377.877338] [drm:intel_dump_pipe_config], port clock: 162000
>[  377.877340] [drm:intel_dump_pipe_config], pipe src size: 800x600
>[  377.877342] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  377.877344] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  377.877346] [drm:intel_dump_pipe_config], ips: 0
>[  377.877348] [drm:intel_dump_pipe_config], double wide: 0
>[  377.877540] [drm:intel_dp_link_down], 
>[  377.936395] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  378.038456] ------------[ cut here ]------------
>[  378.038512] WARNING: CPU: 0 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  378.038515] pipe_off wait timed out
>[  378.038518] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  378.038583] CPU: 0 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  378.038585] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  378.038587]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  378.038593]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  378.038598]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 00012f7e f6e5c000
>[  378.038604] Call Trace:
>[  378.038611]  [<c17239c2>] dump_stack+0x41/0x52
>[  378.038617]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  378.038637]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  378.038641]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  378.038662]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  378.038683]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  378.038703]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  378.038718]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  378.038740]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  378.038762]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  378.038783]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  378.038797]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  378.038811]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  378.038824]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  378.038834]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  378.038846]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  378.038851]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  378.038853]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  378.038863]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  378.038866]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  378.038869]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  378.038872]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  378.038875]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  378.038878]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  378.038880] ---[ end trace d80d327cf698625f ]---
>[  378.040392] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  378.040405] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  378.040825] [drm:intel_update_fbc], no output, disabling
>[  378.040845] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  378.040847] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  378.040849] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  378.040851] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  378.040875] [drm:ironlake_update_plane], Writing base 0A3C9000 00000000 0 0 3200
>[  378.040883] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:800x600]
>[  378.040888] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  378.040890] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  378.040893] [drm:ironlake_write_eld], ELD on pipe A
>[  378.040896] [drm:ironlake_write_eld], Audio directed to unknown port
>[  378.040898] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  378.041526] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 33, cursor: 6
>[  378.041531] [drm:ironlake_check_srwm], watermark 1: display plane 18, fbc lines 3, cursor 6
>[  378.041534] [drm:ironlake_check_srwm], watermark 2: display plane 52, fbc lines 4, cursor 6
>[  378.093452] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  378.145519] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  378.145843] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  378.145846] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  378.146005] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  378.146007] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  378.146009] [drm:ironlake_fdi_link_train], FDI train done
>[  378.146010] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  378.146013] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  378.147400] [drm:intel_update_fbc], disabled per chip default
>[  378.147579] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  378.148040] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  378.148533] [drm:intel_dp_start_link_train], clock recovery OK
>[  378.149321] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  378.163509] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  378.163527] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  378.163534] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  378.163539] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  378.163546] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  378.163553] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  378.163559] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  378.163566] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  378.163572] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  378.163579] [drm:check_crtc_state], [CRTC:3]
>[  378.163628] [drm:check_crtc_state], [CRTC:5]
>[  378.163631] [drm:check_shared_dpll_state], PCH DPLL A
>[  378.163637] [drm:check_shared_dpll_state], PCH DPLL B
>[  383.166942] [drm:drm_mode_addfb], [FB:53]
>[  383.226585] [drm:drm_mode_setcrtc], [CRTC:3]
>[  383.226596] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  383.226600] [drm:intel_crtc_set_config], [CRTC:3] [FB:53] #connectors=1 (x y) (0 0)
>[  383.226606] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  383.226608] [drm:drm_mode_debug_printmodeline], Modeline 55:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  383.226612] [drm:drm_mode_debug_printmodeline], Modeline 55:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  383.226615] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  383.226618] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  383.226622] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  383.226626] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  383.226630] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 40000KHz
>[  383.226637] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  383.226639] [drm:intel_dp_compute_config], DP link bw required 96000 available 129600
>[  383.226644] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  383.226646] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  383.226649] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  383.226651] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  383.226653] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  383.226655] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1864135, gmch_n: 4194304, link_m: 77672, link_n: 524288, tu: 64
>[  383.226659] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 1553445, gmch_n: 2097152, link_m: 64726, link_n: 262144, tu: 64
>[  383.226661] [drm:intel_dump_pipe_config], requested mode:
>[  383.226663] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  383.226666] [drm:intel_dump_pipe_config], adjusted mode:
>[  383.226668] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  383.226671] [drm:intel_dump_crtc_timings], crtc timings: 40000 800 840 968 1056 600 601 605 628, type: 0x40 flags: 0x5
>[  383.226674] [drm:intel_dump_pipe_config], port clock: 162000
>[  383.226676] [drm:intel_dump_pipe_config], pipe src size: 800x600
>[  383.226678] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  383.226680] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  383.226682] [drm:intel_dump_pipe_config], ips: 0
>[  383.226684] [drm:intel_dump_pipe_config], double wide: 0
>[  383.226871] [drm:intel_dp_link_down], 
>[  383.285625] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  383.387755] ------------[ cut here ]------------
>[  383.387812] WARNING: CPU: 0 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  383.387815] pipe_off wait timed out
>[  383.387818] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  383.387883] CPU: 0 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  383.387885] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  383.387887]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  383.387893]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  383.387898]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 00014460 f6e5c000
>[  383.387904] Call Trace:
>[  383.387911]  [<c17239c2>] dump_stack+0x41/0x52
>[  383.387917]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  383.387938]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  383.387941]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  383.387962]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  383.387983]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  383.388004]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  383.388019]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  383.388041]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  383.388063]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  383.388084]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  383.388099]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  383.388113]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  383.388126]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  383.388136]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  383.388149]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  383.388153]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  383.388156]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  383.388165]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  383.388169]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  383.388171]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  383.388174]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  383.388177]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  383.388180]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  383.388182] ---[ end trace d80d327cf6986260 ]---
>[  383.391763] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  383.391776] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  383.392197] [drm:intel_update_fbc], no output, disabling
>[  383.392216] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  383.392218] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  383.392220] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  383.392222] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  383.392245] [drm:ironlake_update_plane], Writing base 0A59E000 00000000 0 0 3200
>[  383.392254] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:800x600]
>[  383.392258] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  383.392260] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  383.392263] [drm:ironlake_write_eld], ELD on pipe A
>[  383.392266] [drm:ironlake_write_eld], Audio directed to unknown port
>[  383.392268] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  383.392928] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 32, cursor: 6
>[  383.392933] [drm:ironlake_check_srwm], watermark 1: display plane 15, fbc lines 3, cursor 6
>[  383.392936] [drm:ironlake_check_srwm], watermark 2: display plane 45, fbc lines 3, cursor 6
>[  383.444754] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  383.496825] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  383.497149] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  383.497151] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  383.497311] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  383.497313] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  383.497314] [drm:ironlake_fdi_link_train], FDI train done
>[  383.497316] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  383.497319] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  383.498706] [drm:intel_update_fbc], disabled per chip default
>[  383.498903] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  383.499348] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  383.499847] [drm:intel_dp_start_link_train], clock recovery OK
>[  383.500645] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  383.518762] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  383.518775] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  383.518779] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  383.518782] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  383.518786] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  383.518790] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  383.518794] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  383.518797] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  383.518801] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  383.518805] [drm:check_crtc_state], [CRTC:3]
>[  383.518837] [drm:check_crtc_state], [CRTC:5]
>[  383.518840] [drm:check_shared_dpll_state], PCH DPLL A
>[  383.518846] [drm:check_shared_dpll_state], PCH DPLL B
>[  388.522127] [drm:drm_mode_addfb], [FB:54]
>[  388.632614] [drm:drm_mode_setcrtc], [CRTC:3]
>[  388.632631] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  388.632638] [drm:intel_crtc_set_config], [CRTC:3] [FB:54] #connectors=1 (x y) (0 0)
>[  388.632647] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  388.632652] [drm:drm_mode_debug_printmodeline], Modeline 55:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  388.632660] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  388.632667] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  388.632674] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  388.632682] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  388.632689] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  388.632696] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 27000KHz
>[  388.632704] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  388.632709] [drm:intel_dp_compute_config], DP link bw required 64800 available 129600
>[  388.632717] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  388.632722] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  388.632727] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  388.632732] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  388.632736] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  388.632740] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1258291, gmch_n: 4194304, link_m: 52428, link_n: 524288, tu: 64
>[  388.632747] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 1048576, gmch_n: 2097152, link_m: 43690, link_n: 262144, tu: 64
>[  388.632752] [drm:intel_dump_pipe_config], requested mode:
>[  388.632756] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  388.632763] [drm:intel_dump_pipe_config], adjusted mode:
>[  388.632767] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  388.632774] [drm:intel_dump_crtc_timings], crtc timings: 27000 720 732 796 864 576 581 586 625, type: 0x40 flags: 0xa
>[  388.632781] [drm:intel_dump_pipe_config], port clock: 162000
>[  388.632785] [drm:intel_dump_pipe_config], pipe src size: 720x576
>[  388.632790] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  388.632798] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  388.632804] [drm:intel_dump_pipe_config], ips: 0
>[  388.632809] [drm:intel_dump_pipe_config], double wide: 0
>[  388.633087] [drm:intel_dp_link_down], 
>[  388.697949] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  388.800013] ------------[ cut here ]------------
>[  388.800050] WARNING: CPU: 2 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  388.800052] pipe_off wait timed out
>[  388.800054] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  388.800100] CPU: 2 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  388.800102] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  388.800104]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  388.800112]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  388.800120]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 00015981 f6e5c000
>[  388.800128] Call Trace:
>[  388.800136]  [<c17239c2>] dump_stack+0x41/0x52
>[  388.800142]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  388.800166]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  388.800170]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  388.800193]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  388.800217]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  388.800241]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  388.800256]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  388.800280]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  388.800305]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  388.800329]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  388.800346]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  388.800361]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  388.800376]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  388.800388]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  388.800402]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  388.800408]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  388.800411]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  388.800422]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  388.800427]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  388.800431]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  388.800435]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  388.800438]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  388.800442]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  388.800445] ---[ end trace d80d327cf6986261 ]---
>[  388.806022] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  388.806032] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  388.806450] [drm:intel_update_fbc], no output, disabling
>[  388.806477] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  388.806479] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  388.806482] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  388.806484] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  388.806511] [drm:ironlake_update_plane], Writing base 0A773000 00000000 0 0 2880
>[  388.806521] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x576]
>[  388.806526] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  388.806529] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  388.806532] [drm:ironlake_write_eld], ELD on pipe A
>[  388.806536] [drm:ironlake_write_eld], Audio directed to unknown port
>[  388.806538] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  388.807204] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  388.807210] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  388.807214] [drm:ironlake_check_srwm], watermark 2: display plane 31, fbc lines 3, cursor 6
>[  388.859049] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  388.911081] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  388.911402] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  388.911405] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  388.911565] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  388.911568] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  388.911570] [drm:ironlake_fdi_link_train], FDI train done
>[  388.911573] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  388.911576] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  388.912967] [drm:intel_update_fbc], disabled per chip default
>[  388.913243] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  388.913550] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  388.914042] [drm:intel_dp_start_link_train], clock recovery OK
>[  388.914836] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  388.936200] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  388.936220] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  388.936227] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  388.936233] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  388.936239] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  388.936246] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  388.936253] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  388.936259] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  388.936266] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  388.936273] [drm:check_crtc_state], [CRTC:3]
>[  388.936319] [drm:check_crtc_state], [CRTC:5]
>[  388.936325] [drm:check_shared_dpll_state], PCH DPLL A
>[  388.936335] [drm:check_shared_dpll_state], PCH DPLL B
>[  393.939635] [drm:drm_mode_addfb], [FB:53]
>[  394.037787] [drm:drm_mode_setcrtc], [CRTC:3]
>[  394.037808] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  394.037815] [drm:intel_crtc_set_config], [CRTC:3] [FB:53] #connectors=1 (x y) (0 0)
>[  394.037826] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  394.037834] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  394.037844] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  394.037853] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  394.037863] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  394.037874] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  394.037883] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  394.037891] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 27027KHz
>[  394.037900] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  394.037907] [drm:intel_dp_compute_config], DP link bw required 64865 available 129600
>[  394.037917] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  394.037925] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  394.037933] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  394.037940] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  394.037946] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  394.037952] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1259549, gmch_n: 4194304, link_m: 52481, link_n: 524288, tu: 64
>[  394.037961] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 1049624, gmch_n: 2097152, link_m: 43734, link_n: 262144, tu: 64
>[  394.037967] [drm:intel_dump_pipe_config], requested mode:
>[  394.037971] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  394.037979] [drm:intel_dump_pipe_config], adjusted mode:
>[  394.037983] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  394.037989] [drm:intel_dump_crtc_timings], crtc timings: 27027 720 736 798 858 480 489 495 525, type: 0x40 flags: 0xa
>[  394.037996] [drm:intel_dump_pipe_config], port clock: 162000
>[  394.038000] [drm:intel_dump_pipe_config], pipe src size: 720x480
>[  394.038004] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  394.038009] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  394.038014] [drm:intel_dump_pipe_config], ips: 0
>[  394.038018] [drm:intel_dump_pipe_config], double wide: 0
>[  394.038223] [drm:intel_dp_link_down], 
>[  394.112331] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  394.214396] ------------[ cut here ]------------
>[  394.214431] WARNING: CPU: 3 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  394.214433] pipe_off wait timed out
>[  394.214435] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  394.214471] CPU: 3 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  394.214473] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  394.214475]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  394.214481]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  394.214487]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 00016ea4 f6e5c000
>[  394.214494] Call Trace:
>[  394.214501]  [<c17239c2>] dump_stack+0x41/0x52
>[  394.214507]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  394.214531]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  394.214534]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  394.214558]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  394.214581]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  394.214604]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  394.214618]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  394.214642]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  394.214666]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  394.214689]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  394.214704]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  394.214719]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  394.214734]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  394.214744]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  394.214759]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  394.214764]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  394.214766]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  394.214777]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  394.214781]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  394.214783]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  394.214787]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  394.214789]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  394.214793]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  394.214795] ---[ end trace d80d327cf6986262 ]---
>[  394.216408] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  394.216423] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  394.216848] [drm:intel_update_fbc], no output, disabling
>[  394.216889] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  394.216894] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  394.216899] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  394.216903] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  394.216939] [drm:ironlake_update_plane], Writing base 0A908000 00000000 0 0 2880
>[  394.216954] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x480]
>[  394.216961] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  394.216967] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  394.216972] [drm:ironlake_write_eld], ELD on pipe A
>[  394.216978] [drm:ironlake_write_eld], Audio directed to unknown port
>[  394.216982] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  394.217669] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  394.217678] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  394.217685] [drm:ironlake_check_srwm], watermark 2: display plane 31, fbc lines 3, cursor 6
>[  394.269469] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  394.321501] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  394.321831] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  394.321836] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  394.321999] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  394.322004] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  394.322008] [drm:ironlake_fdi_link_train], FDI train done
>[  394.322012] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  394.322018] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  394.323434] [drm:intel_update_fbc], disabled per chip default
>[  394.323683] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  394.323996] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  394.324494] [drm:intel_dp_start_link_train], clock recovery OK
>[  394.325287] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  394.343440] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  394.343454] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  394.343459] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  394.343463] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  394.343468] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  394.343473] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  394.343478] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  394.343482] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  394.343487] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  394.343492] [drm:check_crtc_state], [CRTC:3]
>[  394.343527] [drm:check_crtc_state], [CRTC:5]
>[  394.343530] [drm:check_shared_dpll_state], PCH DPLL A
>[  394.343538] [drm:check_shared_dpll_state], PCH DPLL B
>[  399.346824] [drm:drm_mode_addfb], [FB:54]
>[  399.444892] [drm:drm_mode_setcrtc], [CRTC:3]
>[  399.444909] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  399.444915] [drm:intel_crtc_set_config], [CRTC:3] [FB:54] #connectors=1 (x y) (0 0)
>[  399.444924] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  399.444929] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  399.444936] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  399.444943] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  399.444950] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  399.444957] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  399.444964] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  399.444971] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 27000KHz
>[  399.444977] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  399.444983] [drm:intel_dp_compute_config], DP link bw required 64800 available 129600
>[  399.444991] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  399.444995] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  399.445001] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  399.445006] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  399.445010] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  399.445014] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1258291, gmch_n: 4194304, link_m: 52428, link_n: 524288, tu: 64
>[  399.445021] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 1048576, gmch_n: 2097152, link_m: 43690, link_n: 262144, tu: 64
>[  399.445026] [drm:intel_dump_pipe_config], requested mode:
>[  399.445030] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  399.445038] [drm:intel_dump_pipe_config], adjusted mode:
>[  399.445042] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  399.445048] [drm:intel_dump_crtc_timings], crtc timings: 27000 720 736 798 858 480 489 495 525, type: 0x40 flags: 0xa
>[  399.445055] [drm:intel_dump_pipe_config], port clock: 162000
>[  399.445059] [drm:intel_dump_pipe_config], pipe src size: 720x480
>[  399.445063] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  399.445068] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  399.445073] [drm:intel_dump_pipe_config], ips: 0
>[  399.445077] [drm:intel_dump_pipe_config], double wide: 0
>[  399.445289] [drm:intel_dp_link_down], 
>[  399.515705] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  399.617776] ------------[ cut here ]------------
>[  399.617831] WARNING: CPU: 2 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  399.617834] pipe_off wait timed out
>[  399.617837] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  399.617899] CPU: 2 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  399.617902] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  399.617905]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  399.617916]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  399.617927]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 000183bc f6e5c000
>[  399.617938] Call Trace:
>[  399.617948]  [<c17239c2>] dump_stack+0x41/0x52
>[  399.617958]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  399.618000]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  399.618006]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  399.618047]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  399.618089]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  399.618131]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  399.618156]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  399.618199]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  399.618242]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  399.618285]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  399.618313]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  399.618339]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  399.618365]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  399.618385]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  399.618411]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  399.618419]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  399.618423]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  399.618443]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  399.618448]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  399.618453]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  399.618459]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  399.618464]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  399.618469]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  399.618473] ---[ end trace d80d327cf6986263 ]---
>[  399.622775] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  399.622788] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  399.623211] [drm:intel_update_fbc], no output, disabling
>[  399.623245] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  399.623250] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  399.623253] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  399.623257] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  399.623287] [drm:ironlake_update_plane], Writing base 0AA5A000 00000000 0 0 2880
>[  399.623300] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x480]
>[  399.623306] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  399.623311] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  399.623315] [drm:ironlake_write_eld], ELD on pipe A
>[  399.623320] [drm:ironlake_write_eld], Audio directed to unknown port
>[  399.623323] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  399.623973] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  399.623980] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  399.623985] [drm:ironlake_check_srwm], watermark 2: display plane 31, fbc lines 3, cursor 6
>[  399.675801] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  399.727835] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  399.728161] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  399.728165] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  399.728327] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  399.728331] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  399.728335] [drm:ironlake_fdi_link_train], FDI train done
>[  399.728338] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  399.728343] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  399.729740] [drm:intel_update_fbc], disabled per chip default
>[  399.729993] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  399.730402] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  399.730902] [drm:intel_dp_start_link_train], clock recovery OK
>[  399.731692] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  399.749818] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  399.749837] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  399.749844] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  399.749850] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  399.749857] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  399.749864] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  399.749870] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  399.749877] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  399.749884] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  399.749890] [drm:check_crtc_state], [CRTC:3]
>[  399.749936] [drm:check_crtc_state], [CRTC:5]
>[  399.749942] [drm:check_shared_dpll_state], PCH DPLL A
>[  399.749952] [drm:check_shared_dpll_state], PCH DPLL B
>[  404.753250] [drm:drm_mode_addfb], [FB:53]
>[  404.847593] [drm:drm_mode_setcrtc], [CRTC:3]
>[  404.847609] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  404.847615] [drm:intel_crtc_set_config], [CRTC:3] [FB:53] #connectors=1 (x y) (0 0)
>[  404.847624] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  404.847629] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  404.847636] [drm:drm_mode_debug_printmodeline], Modeline 55:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  404.847643] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  404.847650] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  404.847657] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  404.847665] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  404.847670] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 31500KHz
>[  404.847681] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  404.847686] [drm:intel_dp_compute_config], DP link bw required 75600 available 129600
>[  404.847694] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  404.847699] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  404.847704] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  404.847709] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  404.847713] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  404.847717] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1468006, gmch_n: 4194304, link_m: 61166, link_n: 524288, tu: 64
>[  404.847723] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 1223338, gmch_n: 2097152, link_m: 50972, link_n: 262144, tu: 64
>[  404.847729] [drm:intel_dump_pipe_config], requested mode:
>[  404.847733] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  404.847741] [drm:intel_dump_pipe_config], adjusted mode:
>[  404.847745] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  404.847751] [drm:intel_dump_crtc_timings], crtc timings: 31500 640 656 720 840 480 481 484 500, type: 0x40 flags: 0xa
>[  404.847758] [drm:intel_dump_pipe_config], port clock: 162000
>[  404.847762] [drm:intel_dump_pipe_config], pipe src size: 640x480
>[  404.847766] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  404.847771] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  404.847777] [drm:intel_dump_pipe_config], ips: 0
>[  404.847783] [drm:intel_dump_pipe_config], double wide: 0
>[  404.848036] [drm:intel_dp_link_down], 
>[  404.911037] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  405.013092] ------------[ cut here ]------------
>[  405.013145] WARNING: CPU: 0 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  405.013149] pipe_off wait timed out
>[  405.013151] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  405.013213] CPU: 0 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  405.013216] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  405.013221]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  405.013227]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  405.013232]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 000198cc f6e5c000
>[  405.013238] Call Trace:
>[  405.013245]  [<c17239c2>] dump_stack+0x41/0x52
>[  405.013251]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  405.013271]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  405.013275]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  405.013295]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  405.013317]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  405.013337]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  405.013350]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  405.013372]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  405.013394]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  405.013415]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  405.013430]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  405.013443]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  405.013456]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  405.013466]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  405.013478]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  405.013483]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  405.013485]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  405.013495]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  405.013498]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  405.013501]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  405.013504]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  405.013506]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  405.013509]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  405.013511] ---[ end trace d80d327cf6986264 ]---
>[  405.015033] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  405.015046] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  405.015470] [drm:intel_update_fbc], no output, disabling
>[  405.015489] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  405.015491] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  405.015493] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  405.015495] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  405.015518] [drm:ironlake_update_plane], Writing base 0ABAC000 00000000 0 0 2560
>[  405.015526] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  405.015530] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  405.015533] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  405.015535] [drm:ironlake_write_eld], ELD on pipe A
>[  405.015539] [drm:ironlake_write_eld], Audio directed to unknown port
>[  405.015540] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  405.016224] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  405.016229] [drm:ironlake_check_srwm], watermark 1: display plane 12, fbc lines 3, cursor 6
>[  405.016232] [drm:ironlake_check_srwm], watermark 2: display plane 36, fbc lines 3, cursor 6
>[  405.068091] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  405.120159] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  405.120483] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  405.120485] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  405.120644] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  405.120646] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  405.120647] [drm:ironlake_fdi_link_train], FDI train done
>[  405.120649] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  405.120652] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  405.122040] [drm:intel_update_fbc], disabled per chip default
>[  405.122172] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  405.122685] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  405.123186] [drm:intel_dp_start_link_train], clock recovery OK
>[  405.123986] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  405.138145] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  405.138163] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  405.138170] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  405.138176] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  405.138183] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  405.138190] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  405.138196] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  405.138203] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  405.138210] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  405.138216] [drm:check_crtc_state], [CRTC:3]
>[  405.138263] [drm:check_crtc_state], [CRTC:5]
>[  405.138268] [drm:check_shared_dpll_state], PCH DPLL A
>[  405.138279] [drm:check_shared_dpll_state], PCH DPLL B
>[  410.141579] [drm:drm_mode_addfb], [FB:54]
>[  410.236348] [drm:drm_mode_setcrtc], [CRTC:3]
>[  410.236364] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  410.236370] [drm:intel_crtc_set_config], [CRTC:3] [FB:54] #connectors=1 (x y) (0 0)
>[  410.236378] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  410.236383] [drm:drm_mode_debug_printmodeline], Modeline 55:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  410.236390] [drm:drm_mode_debug_printmodeline], Modeline 55:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  410.236398] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  410.236404] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  410.236412] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  410.236419] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  410.236425] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 25200KHz
>[  410.236431] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  410.236437] [drm:intel_dp_compute_config], DP link bw required 60480 available 129600
>[  410.236444] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  410.236449] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  410.236454] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  410.236459] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  410.236463] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  410.236468] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1174405, gmch_n: 4194304, link_m: 48933, link_n: 524288, tu: 64
>[  410.236474] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 978670, gmch_n: 2097152, link_m: 40777, link_n: 262144, tu: 64
>[  410.236480] [drm:intel_dump_pipe_config], requested mode:
>[  410.236484] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  410.236492] [drm:intel_dump_pipe_config], adjusted mode:
>[  410.236495] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  410.236502] [drm:intel_dump_crtc_timings], crtc timings: 25200 640 656 752 800 480 490 492 525, type: 0x40 flags: 0xa
>[  410.236509] [drm:intel_dump_pipe_config], port clock: 162000
>[  410.236513] [drm:intel_dump_pipe_config], pipe src size: 640x480
>[  410.236517] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  410.236522] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  410.236527] [drm:intel_dump_pipe_config], ips: 0
>[  410.236531] [drm:intel_dump_pipe_config], double wide: 0
>[  410.236734] [drm:intel_dp_link_down], 
>[  410.301363] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  410.403425] ------------[ cut here ]------------
>[  410.403486] WARNING: CPU: 2 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  410.403490] pipe_off wait timed out
>[  410.403493] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  410.403567] CPU: 2 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  410.403571] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  410.403575]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  410.403588]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  410.403602]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 0001add7 f6e5c000
>[  410.403615] Call Trace:
>[  410.403626]  [<c17239c2>] dump_stack+0x41/0x52
>[  410.403637]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  410.403687]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  410.403695]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  410.403746]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  410.403797]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  410.403848]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  410.403878]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  410.403931]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  410.403983]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  410.404035]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  410.404069]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  410.404101]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  410.404133]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  410.404157]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  410.404188]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  410.404198]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  410.404204]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  410.404227]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  410.404234]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  410.404240]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  410.404246]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  410.404253]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  410.404259]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  410.404264] ---[ end trace d80d327cf6986265 ]---
>[  410.408428] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  410.408442] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  410.408865] [drm:intel_update_fbc], no output, disabling
>[  410.408899] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  410.408903] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  410.408906] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  410.408910] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  410.408940] [drm:ironlake_update_plane], Writing base 0ACD8000 00000000 0 0 2560
>[  410.408953] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  410.408960] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  410.408964] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  410.408968] [drm:ironlake_write_eld], ELD on pipe A
>[  410.408974] [drm:ironlake_write_eld], Audio directed to unknown port
>[  410.408977] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  410.409627] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  410.409634] [drm:ironlake_check_srwm], watermark 1: display plane 10, fbc lines 3, cursor 6
>[  410.409639] [drm:ironlake_check_srwm], watermark 2: display plane 29, fbc lines 3, cursor 6
>[  410.461454] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  410.513459] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  410.513789] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  410.513794] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  410.513958] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  410.513963] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  410.513967] [drm:ironlake_fdi_link_train], FDI train done
>[  410.513971] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  410.513977] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  410.515488] [drm:intel_update_fbc], disabled per chip default
>[  410.515717] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  410.516112] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  410.516627] [drm:intel_dp_start_link_train], clock recovery OK
>[  410.517435] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  410.535516] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  410.535535] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  410.535543] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  410.535548] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  410.535555] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  410.535562] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  410.535569] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  410.535575] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  410.535582] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  410.535589] [drm:check_crtc_state], [CRTC:3]
>[  410.535635] [drm:check_crtc_state], [CRTC:5]
>[  410.535640] [drm:check_shared_dpll_state], PCH DPLL A
>[  410.535651] [drm:check_shared_dpll_state], PCH DPLL B
>[  415.538943] [drm:drm_mode_addfb], [FB:53]
>[  415.633547] [drm:drm_mode_setcrtc], [CRTC:3]
>[  415.633632] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  415.633639] [drm:intel_crtc_set_config], [CRTC:3] [FB:53] #connectors=1 (x y) (0 0)
>[  415.633650] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  415.633657] [drm:drm_mode_debug_printmodeline], Modeline 55:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  415.633667] [drm:drm_mode_debug_printmodeline], Modeline 55:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  415.633677] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  415.633686] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  415.633696] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  415.633706] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  415.633713] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 25175KHz
>[  415.633721] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  415.633729] [drm:intel_dp_compute_config], DP link bw required 60420 available 129600
>[  415.633739] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  415.633747] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  415.633755] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  415.633828] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  415.633832] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  415.633837] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1173240, gmch_n: 4194304, link_m: 48885, link_n: 524288, tu: 64
>[  415.633843] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 977700, gmch_n: 2097152, link_m: 40737, link_n: 262144, tu: 64
>[  415.633849] [drm:intel_dump_pipe_config], requested mode:
>[  415.633853] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  415.633860] [drm:intel_dump_pipe_config], adjusted mode:
>[  415.633864] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  415.633871] [drm:intel_dump_crtc_timings], crtc timings: 25175 640 656 752 800 480 490 492 525, type: 0x40 flags: 0xa
>[  415.633877] [drm:intel_dump_pipe_config], port clock: 162000
>[  415.633881] [drm:intel_dump_pipe_config], pipe src size: 640x480
>[  415.633885] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  415.633890] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  415.633895] [drm:intel_dump_pipe_config], ips: 0
>[  415.633899] [drm:intel_dump_pipe_config], double wide: 0
>[  415.634155] [drm:intel_dp_link_down], 
>[  415.690639] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  415.792705] ------------[ cut here ]------------
>[  415.792737] WARNING: CPU: 3 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  415.792739] pipe_off wait timed out
>[  415.792741] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  415.792776] CPU: 3 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  415.792778] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  415.792780]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  415.792786]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  415.792792]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 0001c2e1 f6e5c000
>[  415.792798] Call Trace:
>[  415.792806]  [<c17239c2>] dump_stack+0x41/0x52
>[  415.792812]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  415.792835]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  415.792839]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  415.792862]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  415.792885]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  415.792908]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  415.792922]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  415.792946]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  415.792969]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  415.792993]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  415.793008]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  415.793023]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  415.793038]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  415.793048]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  415.793062]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  415.793067]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  415.793070]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  415.793081]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  415.793084]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  415.793087]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  415.793090]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  415.793093]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  415.793096]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  415.793098] ---[ end trace d80d327cf6986266 ]---
>[  415.796769] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  415.796782] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  415.797205] [drm:intel_update_fbc], no output, disabling
>[  415.797239] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  415.797244] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  415.797247] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  415.797251] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  415.797282] [drm:ironlake_update_plane], Writing base 0AE04000 00000000 0 0 2560
>[  415.797295] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  415.797301] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  415.797305] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  415.797310] [drm:ironlake_write_eld], ELD on pipe A
>[  415.797315] [drm:ironlake_write_eld], Audio directed to unknown port
>[  415.797318] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  415.797988] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  415.797996] [drm:ironlake_check_srwm], watermark 1: display plane 10, fbc lines 3, cursor 6
>[  415.798001] [drm:ironlake_check_srwm], watermark 2: display plane 29, fbc lines 3, cursor 6
>[  415.849774] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  415.901805] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  415.902131] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  415.902135] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  415.902297] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  415.902301] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  415.902304] [drm:ironlake_fdi_link_train], FDI train done
>[  415.902307] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  415.902312] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  415.903712] [drm:intel_update_fbc], disabled per chip default
>[  415.903952] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  415.904342] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  415.904834] [drm:intel_dp_start_link_train], clock recovery OK
>[  415.905643] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  415.923840] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  415.923858] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  415.923866] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  415.923871] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  415.923878] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  415.923885] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  415.923892] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  415.923899] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  415.923906] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  415.923912] [drm:check_crtc_state], [CRTC:3]
>[  415.923955] [drm:check_crtc_state], [CRTC:5]
>[  415.923958] [drm:check_shared_dpll_state], PCH DPLL A
>[  415.923964] [drm:check_shared_dpll_state], PCH DPLL B
>[  420.927238] [drm:drm_mode_addfb], [FB:54]
>[  420.966241] [drm:drm_mode_setcrtc], [CRTC:3]
>[  420.966249] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  420.966252] [drm:intel_crtc_set_config], [CRTC:3] [FB:54] #connectors=1 (x y) (0 0)
>[  420.966257] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  420.966260] [drm:drm_mode_debug_printmodeline], Modeline 55:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  420.966263] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  420.966266] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=1
>[  420.966269] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  420.966273] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  420.966277] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  420.966280] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 28320KHz
>[  420.966287] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  420.966290] [drm:intel_dp_compute_config], DP link bw required 67968 available 129600
>[  420.966294] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  420.966296] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  420.966299] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  420.966301] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  420.966303] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  420.966305] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 1, gmch_m: 1319807, gmch_n: 4194304, link_m: 54991, link_n: 524288, tu: 64
>[  420.966308] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 1099839, gmch_n: 2097152, link_m: 45826, link_n: 262144, tu: 64
>[  420.966311] [drm:intel_dump_pipe_config], requested mode:
>[  420.966312] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  420.966316] [drm:intel_dump_pipe_config], adjusted mode:
>[  420.966318] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  420.966321] [drm:intel_dump_crtc_timings], crtc timings: 28320 720 738 846 900 400 412 414 449, type: 0x40 flags: 0x6
>[  420.966324] [drm:intel_dump_pipe_config], port clock: 162000
>[  420.966325] [drm:intel_dump_pipe_config], pipe src size: 720x400
>[  420.966327] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  420.966330] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  420.966332] [drm:intel_dump_pipe_config], ips: 0
>[  420.966334] [drm:intel_dump_pipe_config], double wide: 0
>[  420.966519] [drm:intel_dp_link_down], 
>[  421.034973] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  421.137038] ------------[ cut here ]------------
>[  421.137090] WARNING: CPU: 0 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  421.137094] pipe_off wait timed out
>[  421.137096] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  421.137158] CPU: 0 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  421.137161] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  421.137167]  00000000 00000000 f6f87cb8 c17239c2 f85290b9 f6f87cd0 c10302a5 f84e2382
>[  421.137173]  f6f86000 00070008 f6e5c000 f6f87ce8 c10302e7 00000009 f6f87ce0 f85290b9
>[  421.137178]  f6f87cfc f6f87d0c f84e2382 f85277f3 00000353 f85290b9 0001d7be f6e5c000
>[  421.137184] Call Trace:
>[  421.137190]  [<c17239c2>] dump_stack+0x41/0x52
>[  421.137196]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  421.137217]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  421.137220]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  421.137241]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  421.137262]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  421.137283]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  421.137297]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  421.137318]  [<f84e8adf>] __intel_set_mode+0xba9/0xf1f [i915]
>[  421.137340]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  421.137361]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  421.137375]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  421.137389]  [<f80c5677>] drm_mode_setcrtc+0x348/0x3e8 [drm]
>[  421.137402]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  421.137412]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  421.137424]  [<f80c532f>] ? drm_mode_setplane+0x2c3/0x2c3 [drm]
>[  421.137429]  [<c10504ad>] ? finish_task_switch+0x6c/0xd9
>[  421.137431]  [<c105047c>] ? finish_task_switch+0x3b/0xd9
>[  421.137441]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  421.137444]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  421.137447]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  421.137450]  [<c10ee4e3>] ? vfs_write+0x103/0x16b
>[  421.137452]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  421.137455]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  421.137457] ---[ end trace d80d327cf6986267 ]---
>[  421.141065] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  421.141077] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  421.141496] [drm:intel_update_fbc], no output, disabling
>[  421.141515] [drm:intel_get_shared_dpll], CRTC:3 dropping existing PCH DPLL A
>[  421.141517] [drm:intel_get_shared_dpll], CRTC:3 using pre-allocated PCH DPLL A
>[  421.141519] [drm:intel_get_shared_dpll], using PCH DPLL A for pipe A
>[  421.141521] [drm:intel_get_shared_dpll], setting up PCH DPLL A
>[  421.141544] [drm:ironlake_update_plane], Writing base 0AF30000 00000000 0 0 2880
>[  421.141552] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x400]
>[  421.141556] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  421.141558] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  421.141561] [drm:ironlake_write_eld], ELD on pipe A
>[  421.141564] [drm:ironlake_write_eld], Audio directed to unknown port
>[  421.141566] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  421.142212] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  421.142217] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  421.142220] [drm:ironlake_check_srwm], watermark 2: display plane 33, fbc lines 3, cursor 6
>[  421.194080] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  421.246107] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  421.246430] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  421.246432] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  421.246591] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  421.246593] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  421.246595] [drm:ironlake_fdi_link_train], FDI train done
>[  421.246596] [drm:ironlake_enable_shared_dpll], enable PCH DPLL A (active 0, on? 0)for crtc 3
>[  421.246599] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL A
>[  421.247985] [drm:intel_update_fbc], disabled per chip default
>[  421.248273] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  421.248657] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  421.249150] [drm:intel_dp_start_link_train], clock recovery OK
>[  421.249947] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  421.266089] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  421.266107] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  421.266114] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  421.266120] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  421.266126] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  421.266133] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  421.266140] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  421.266147] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  421.266153] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  421.266160] [drm:check_crtc_state], [CRTC:3]
>[  421.266210] [drm:check_crtc_state], [CRTC:5]
>[  421.266212] [drm:check_shared_dpll_state], PCH DPLL A
>[  421.266219] [drm:check_shared_dpll_state], PCH DPLL B
>[  426.269465] [drm:intel_crtc_set_config], [CRTC:3] [NOFB]
>[  426.269474] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=0
>[  426.269479] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [NOCRTC]
>[  426.269483] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  426.269487] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  426.269492] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 0, prepare: 0, disable: 1
>[  426.269736] [drm:intel_dp_link_down], 
>[  426.330256] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  426.432304] ------------[ cut here ]------------
>[  426.432353] WARNING: CPU: 2 PID: 4296 at drivers/gpu/drm/i915/intel_display.c:851 intel_wait_for_pipe_off+0x140/0x14b [i915]()
>[  426.432356] pipe_off wait timed out
>[  426.432359] Modules linked in: bnep bluetooth rfkill iTCO_wdt iTCO_vendor_support dcdbas snd_hda_codec_hdmi microcode snd_hda_codec_idt joydev pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc i2c_i801 lpc_ich snd_timer ppdev mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq freq_table kvm_intel kvm uinput ipv6 firewire_ohci firewire_core crc_itu_t wmi i915 video button drm_kms_helper drm dm_mirror dm_region_hash dm_log dm_mod
>[  426.432418] CPU: 2 PID: 4296 Comm: testdisplay Tainted: G        W    3.12.0_drm-intel-next-queued_f671d1_20131120+ #1
>[  426.432421] Hardware name: Dell Inc. Latitude E6510/0JKDHD, BIOS A05 08/10/2010
>[  426.432424]  00000000 00000000 f6f87cac c17239c2 f85290b9 f6f87cc4 c10302a5 f84e2382
>[  426.432435]  f6f86000 00070008 f6e5c000 f6f87cdc c10302e7 00000009 f6f87cd4 f85290b9
>[  426.432446]  f6f87cf0 f6f87d00 f84e2382 f85277f3 00000353 f85290b9 0001ec6a f6e5c000
>[  426.432457] Call Trace:
>[  426.432465]  [<c17239c2>] dump_stack+0x41/0x52
>[  426.432473]  [<c10302a5>] warn_slowpath_common+0x66/0x7d
>[  426.432514]  [<f84e2382>] ? intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  426.432520]  [<c10302e7>] warn_slowpath_fmt+0x2b/0x2f
>[  426.432562]  [<f84e2382>] intel_wait_for_pipe_off+0x140/0x14b [i915]
>[  426.432603]  [<f84e2407>] intel_disable_pipe+0x7a/0x83 [i915]
>[  426.432645]  [<f84e31a7>] ironlake_crtc_disable+0xc6/0x70e [i915]
>[  426.432669]  [<f80be953>] ? drm_ut_debug_printk+0x37/0x3b [drm]
>[  426.432711]  [<f84e89e7>] __intel_set_mode+0xab1/0xf1f [i915]
>[  426.432718]  [<c107ae5d>] ? trace_hardirqs_on_caller+0x14b/0x166
>[  426.432722]  [<c107ae83>] ? trace_hardirqs_on+0xb/0xd
>[  426.432765]  [<f84ea747>] intel_set_mode+0x17/0x2f [i915]
>[  426.432808]  [<f84ead8e>] intel_crtc_set_config+0x572/0x6ac [i915]
>[  426.432835]  [<f80c3556>] drm_mode_set_config_internal+0x3e/0x95 [drm]
>[  426.432862]  [<f80c3620>] drm_framebuffer_remove+0x73/0xdc [drm]
>[  426.432888]  [<f80c5e8c>] drm_mode_rmfb+0xba/0xe0 [drm]
>[  426.432914]  [<f80c5dd2>] ? drm_mode_addfb2+0x544/0x544 [drm]
>[  426.432933]  [<f80bab0b>] drm_ioctl+0x2b3/0x3ba [drm]
>[  426.432958]  [<f80c5dd2>] ? drm_mode_addfb2+0x544/0x544 [drm]
>[  426.432966]  [<c1729864>] ? _raw_spin_unlock_irqrestore+0x38/0x3e
>[  426.432971]  [<c107ae5d>] ? trace_hardirqs_on_caller+0x14b/0x166
>[  426.432976]  [<c107ae83>] ? trace_hardirqs_on+0xb/0xd
>[  426.432982]  [<c104a807>] ? hrtimer_try_to_cancel+0x91/0x9b
>[  426.432987]  [<c104a823>] ? hrtimer_cancel+0x12/0x1d
>[  426.432992]  [<c17279dd>] ? do_nanosleep+0xbf/0xf9
>[  426.433011]  [<f80ba858>] ? drm_copy_field+0x54/0x54 [drm]
>[  426.433016]  [<c10fb208>] vfs_ioctl+0x20/0x2a
>[  426.433021]  [<c10fbb35>] do_vfs_ioctl+0x39e/0x442
>[  426.433026]  [<c104a416>] ? hrtimer_get_res+0x36/0x36
>[  426.433031]  [<c104ad98>] ? hrtimer_start_range_ns+0x15/0x17
>[  426.433036]  [<c10fbc23>] SyS_ioctl+0x4a/0x6b
>[  426.433041]  [<c172fa9a>] sysenter_do_call+0x12/0x32
>[  426.433045] ---[ end trace d80d327cf6986268 ]---
>[  426.435321] [drm:intel_disable_shared_dpll], disable PCH DPLL A (active 1, on? 1) for crtc 3
>[  426.435334] [drm:intel_disable_shared_dpll], disabling PCH DPLL A
>[  426.435756] [drm:intel_update_fbc], no output, disabling
>[  426.435785] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  426.435791] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  426.435795] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  426.435801] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  426.435807] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  426.435813] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  426.435818] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  426.435824] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  426.435830] [drm:check_crtc_state], [CRTC:3]
>[  426.435834] [drm:check_crtc_state], [CRTC:5]
>[  426.435838] [drm:check_shared_dpll_state], PCH DPLL A
>[  426.435847] [drm:check_shared_dpll_state], PCH DPLL B
>[  426.435874] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.435889] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.435898] [drm:drm_mode_getconnector], [CONNECTOR:23:?]
>[  426.435904] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2]
>[  426.435909] [drm:intel_hdmi_detect], [CONNECTOR:23:HDMI-A-2]
>[  426.436134] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  426.436141] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  426.436146] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2] disconnected
>[  426.436153] [drm:drm_mode_getconnector], [CONNECTOR:23:?]
>[  426.436158] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2]
>[  426.436162] [drm:intel_hdmi_detect], [CONNECTOR:23:HDMI-A-2]
>[  426.436374] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  426.436383] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  426.436388] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2] disconnected
>[  426.436407] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.436422] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.436431] [drm:drm_mode_getconnector], [CONNECTOR:25:?]
>[  426.436437] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3]
>[  426.436441] [drm:intel_hdmi_detect], [CONNECTOR:25:HDMI-A-3]
>[  426.436715] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  426.436720] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  426.436724] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3] disconnected
>[  426.436730] [drm:drm_mode_getconnector], [CONNECTOR:25:?]
>[  426.436736] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3]
>[  426.436742] [drm:intel_hdmi_detect], [CONNECTOR:25:HDMI-A-3]
>[  426.436924] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  426.436928] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  426.436932] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3] disconnected
>[  426.436944] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.436952] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.436956] [drm:drm_mode_getconnector], [CONNECTOR:27:?]
>[  426.436959] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2]
>[  426.436961] [drm:intel_dp_detect], [CONNECTOR:27:DP-2]
>[  426.436971] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2] disconnected
>[  426.436974] [drm:drm_mode_getconnector], [CONNECTOR:27:?]
>[  426.436977] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2]
>[  426.436979] [drm:intel_dp_detect], [CONNECTOR:27:DP-2]
>[  426.436983] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2] disconnected
>[  426.436996] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.437009] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[8] ENCODERS[8]
>[  426.437016] [drm:drm_mode_getconnector], [CONNECTOR:29:?]
>[  426.437022] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3]
>[  426.437026] [drm:intel_dp_detect], [CONNECTOR:29:DP-3]
>[  426.437031] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3] disconnected
>[  426.437037] [drm:drm_mode_getconnector], [CONNECTOR:29:?]
>[  426.437046] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3]
>[  426.437055] [drm:intel_dp_detect], [CONNECTOR:29:DP-3]
>[  426.437066] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3] disconnected
>[  426.437243] [drm:intel_crtc_set_config], [CRTC:3] [FB:52] #connectors=1 (x y) (0 0)
>[  426.437246] [drm:intel_set_config_compute_mode_changes], inactive crtc, full mode set
>[  426.437247] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  426.437250] [drm:drm_mode_debug_printmodeline], Modeline 55:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  426.437252] [drm:drm_mode_debug_printmodeline], Modeline 50:"1366x768" 60 69000 1366 1398 1422 1426 768 771 775 806 0x48 0x9
>[  426.437254] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=0
>[  426.437255] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  426.437257] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  426.437259] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  426.437261] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  426.437263] [drm:connected_sink_compute_bpp], [CONNECTOR:10:eDP-1] checking for sink bpp constrains
>[  426.437265] [drm:connected_sink_compute_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  426.437268] [drm:intel_dp_compute_config], DP link computation with max lane count 1 max bw 0a pixel clock 69000KHz
>[  426.437270] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  426.437271] [drm:intel_dp_compute_config], DP link bw required 124200 available 129600
>[  426.437273] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  426.437275] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
>[  426.437278] [drm:intel_dump_pipe_config], cpu_transcoder: A
>[  426.437282] [drm:intel_dump_pipe_config], pipe bpp: 18, dithering: 1
>[  426.437286] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  426.437290] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 2009770, gmch_n: 2097152, link_m: 111653, link_n: 262144, tu: 64
>[  426.437293] [drm:intel_dump_pipe_config], requested mode:
>[  426.437298] [drm:drm_mode_debug_printmodeline], Modeline 0:"1366x768" 60 69000 1366 1398 1422 1426 768 771 775 806 0x48 0x9
>[  426.437304] [drm:intel_dump_pipe_config], adjusted mode:
>[  426.437312] [drm:drm_mode_debug_printmodeline], Modeline 0:"1366x768" 60 69000 1366 1398 1422 1426 768 771 775 806 0x48 0x9
>[  426.437320] [drm:intel_dump_crtc_timings], crtc timings: 69000 1366 1398 1422 1426 768 771 775 806, type: 0x48 flags: 0x9
>[  426.437325] [drm:intel_dump_pipe_config], port clock: 162000
>[  426.437331] [drm:intel_dump_pipe_config], pipe src size: 1366x768
>[  426.437338] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  426.437344] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  426.437349] [drm:intel_dump_pipe_config], ips: 0
>[  426.437355] [drm:intel_dump_pipe_config], double wide: 0
>[  426.437497] [drm:ironlake_update_plane], Writing base 00047000 00000000 0 0 10240
>[  426.437511] [drm:intel_crtc_mode_set], [ENCODER:9:TMDS-9] set [MODE:0:1366x768]
>[  426.437515] [drm:ironlake_set_pll_cpu_edp], eDP PLL enable for clock 162000
>[  426.437518] [drm:ironlake_set_pll_cpu_edp], 160MHz cpu eDP clock, might need ilk devA w/a
>[  426.438027] [drm:ironlake_edp_pll_on], 
>[  426.438400] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  426.438403] [drm:ironlake_check_srwm], watermark 1: display plane 24, fbc lines 3, cursor 6
>[  426.438405] [drm:ironlake_check_srwm], watermark 2: display plane 76, fbc lines 3, cursor 6
>[  426.490301] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  426.542374] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  426.542379] [drm:intel_update_fbc], disabled per chip default
>[  426.542386] [drm:ironlake_edp_panel_vdd_on], Turning eDP VDD on
>[  426.542390] [drm:ironlake_wait_panel_power_cycle], Wait for panel power cycle
>[  426.542398] [drm:ironlake_wait_panel_status], mask b800000f value 00000000 status 00000000 control abcd0000
>[  426.542411] [drm:ironlake_edp_panel_vdd_on], PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008
>[  426.542415] [drm:ironlake_edp_panel_vdd_on], eDP was not running
>[  426.844183] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  426.844678] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  426.845156] [drm:intel_dp_start_link_train], clock recovery OK
>[  426.845158] [drm:ironlake_edp_panel_on], Turn eDP power on
>[  426.845161] [drm:ironlake_wait_panel_power_cycle], Wait for panel power cycle
>[  426.845167] [drm:ironlake_wait_panel_status], mask b800000f value 00000000 status 00000000 control abcd0008
>[  426.845176] [drm:ironlake_wait_panel_on], Wait for panel power on
>[  426.845182] [drm:ironlake_wait_panel_status], mask b000000f value 80000008 status 0000000a control abcd0009
>[  427.185779] [drm:ironlake_panel_vdd_off_sync], Turning eDP VDD off
>[  427.185791] [drm:ironlake_panel_vdd_off_sync], PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0003
>[  427.237658] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  427.237829] [drm:ironlake_edp_backlight_on], 
>[  427.278775] [drm:intel_panel_enable_backlight], pipe A
>[  427.278816] [drm:intel_panel_actually_set_backlight], set backlight PWM = 93
>[  427.288842] [drm:intel_connector_check_state], [CONNECTOR:10:eDP-1]
>[  427.288864] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  427.288868] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  427.288872] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  427.288877] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  427.288881] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  427.288885] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  427.288890] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  427.288894] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  427.288899] [drm:check_crtc_state], [CRTC:3]
>[  427.288922] [drm:check_crtc_state], [CRTC:5]
>[  427.288926] [drm:check_shared_dpll_state], PCH DPLL A
>[  427.288934] [drm:check_shared_dpll_state], PCH DPLL B
>[  427.288947] [drm:intel_crtc_set_config], [CRTC:5] [FB:52] #connectors=1 (x y) (0 0)
>[  427.288951] [drm:intel_set_config_compute_mode_changes], inactive crtc, full mode set
>[  427.288954] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:5], mode_changed=1, fb_changed=0
>[  427.288960] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  427.288962] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  427.288963] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  427.288964] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  427.288967] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[  427.288970] [drm:connected_sink_compute_bpp], [CONNECTOR:21:DP-1] checking for sink bpp constrains
>[  427.288972] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 268500KHz
>[  427.288977] [drm:intel_dp_compute_config], DP link bw 0a lane count 4 clock 270000 bpp 24
>[  427.288978] [drm:intel_dp_compute_config], DP link bw required 644400 available 864000
>[  427.288981] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe B, lanes 4
>[  427.288983] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  427.288984] [drm:intel_dump_pipe_config], [CRTC:5][modeset] config for pipe B
>[  427.288985] [drm:intel_dump_pipe_config], cpu_transcoder: B
>[  427.288986] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
>[  427.288988] [drm:intel_dump_pipe_config], fdi/pch: 1, lanes: 4, gmch_m: 6256503, gmch_n: 8388608, link_m: 521375, link_n: 524288, tu: 64
>[  427.288990] [drm:intel_dump_pipe_config], dp: 1, gmch_m: 6256503, gmch_n: 8388608, link_m: 521375, link_n: 524288, tu: 64
>[  427.288991] [drm:intel_dump_pipe_config], requested mode:
>[  427.288994] [drm:drm_mode_debug_printmodeline], Modeline 0:"2560x1600" 60 268500 2560 2608 2640 2720 1600 1603 1609 1646 0x48 0x9
>[  427.288995] [drm:intel_dump_pipe_config], adjusted mode:
>[  427.288997] [drm:drm_mode_debug_printmodeline], Modeline 0:"2560x1600" 60 268500 2560 2608 2640 2720 1600 1603 1609 1646 0x48 0x9
>[  427.288999] [drm:intel_dump_crtc_timings], crtc timings: 268500 2560 2608 2640 2720 1600 1603 1609 1646, type: 0x48 flags: 0x9
>[  427.289000] [drm:intel_dump_pipe_config], port clock: 270000
>[  427.289001] [drm:intel_dump_pipe_config], pipe src size: 2560x1600
>[  427.289002] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  427.289004] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  427.289005] [drm:intel_dump_pipe_config], ips: 0
>[  427.289006] [drm:intel_dump_pipe_config], double wide: 0
>[  427.289039] [drm:intel_get_shared_dpll], CRTC:5 using pre-allocated PCH DPLL B
>[  427.289040] [drm:intel_get_shared_dpll], using PCH DPLL B for pipe B
>[  427.289041] [drm:intel_get_shared_dpll], setting up PCH DPLL B
>[  427.289067] [drm:ironlake_update_plane], Writing base 00047000 00000000 0 0 10240
>[  427.289076] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:2560x1600]
>[  427.289079] [drm:intel_dp_mode_set], Enabling DP audio on pipe B
>[  427.289081] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  427.289083] [drm:ironlake_write_eld], ELD on pipe B
>[  427.289085] [drm:ironlake_write_eld], Audio directed to unknown port
>[  427.289086] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  427.289695] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  427.289696] [drm:ironlake_update_wm], FIFO watermarks For pipe B - plane 14, cursor: 6
>[  427.340867] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  427.392899] [drm:g4x_wait_for_vblank], vblank wait timed out
>[  427.393221] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  427.393222] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  427.393380] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  427.393381] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  427.393383] [drm:ironlake_fdi_link_train], FDI train done
>[  427.393384] [drm:ironlake_enable_shared_dpll], enable PCH DPLL B (active 0, on? 0)for crtc 5
>[  427.393386] [drm:ironlake_enable_shared_dpll], enabling PCH DPLL B
>[  427.394773] [drm:intel_update_fbc], more than one pipe active, disabling compression
>[  427.395411] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  427.395933] [drm:intel_dp_start_link_train], clock recovery OK
>[  427.396755] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successful
>[  427.413967] [drm:ibx_irq_handler], PCH transcoder B FIFO underrun
>[  427.414835] [drm:intel_connector_check_state], [CONNECTOR:10:eDP-1]
>[  427.414844] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  427.414855] [drm:check_encoder_state], [ENCODER:8:DAC-8]
>[  427.414859] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  427.414862] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  427.414866] [drm:check_encoder_state], [ENCODER:20:TMDS-20]
>[  427.414869] [drm:check_encoder_state], [ENCODER:22:TMDS-22]
>[  427.414873] [drm:check_encoder_state], [ENCODER:24:TMDS-24]
>[  427.414877] [drm:check_encoder_state], [ENCODER:26:TMDS-26]
>[  427.414881] [drm:check_encoder_state], [ENCODER:28:TMDS-28]
>[  427.414884] [drm:check_crtc_state], [CRTC:3]
>[  427.414902] [drm:check_crtc_state], [CRTC:5]
>[  427.414936] [drm:check_shared_dpll_state], PCH DPLL A
>[  427.414943] [drm:check_shared_dpll_state], PCH DPLL B
>[  427.414956] [drm:intel_crtc_set_config], [CRTC:3] [FB:52] #connectors=1 (x y) (0 0)
>[  427.414960] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
>[  427.414962] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  427.414965] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  427.414968] [drm:intel_crtc_set_config], [CRTC:5] [FB:52] #connectors=1 (x y) (0 0)
>[  427.414971] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:5], mode_changed=0, fb_changed=0
>[  427.414974] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  427.414976] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  427.415000] [drm:intel_crtc_set_config], [CRTC:3] [FB:52] #connectors=1 (x y) (0 0)
>[  427.415003] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
>[  427.415005] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  427.415008] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  427.415011] [drm:intel_crtc_set_config], [CRTC:5] [FB:52] #connectors=1 (x y) (0 0)
>[  427.415014] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:5], mode_changed=0, fb_changed=0
>[  427.415017] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  427.415019] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  427.422891] [drm:i915_gem_open], 
>[  427.422923] [drm:i915_gem_open], 
>[  427.423119] [drm:i915_drop_caches_set], Dropping caches: 0x00000004
>[  427.607206] [drm:intel_crtc_cursor_set], cursor off
>[  427.607215] [drm:intel_crtc_set_config], [CRTC:3] [FB:52] #connectors=1 (x y) (0 0)
>[  427.607227] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
>[  427.607233] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  427.607239] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  427.607247] [drm:intel_crtc_cursor_set], cursor off
>[  427.607252] [drm:intel_crtc_set_config], [CRTC:5] [FB:52] #connectors=1 (x y) (0 0)
>[  427.607259] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:5], mode_changed=0, fb_changed=0
>[  427.607265] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  427.607271] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]

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Attachments on bug 64415: 79076 | 89519

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