[ 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] [] dump_stack+0x41/0x52 [ 361.884718] [] warn_slowpath_common+0x66/0x7d [ 361.884775] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 361.884784] [] warn_slowpath_fmt+0x2b/0x2f [ 361.884841] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 361.884899] [] intel_disable_pipe+0x7a/0x83 [i915] [ 361.884957] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 361.884991] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 361.885051] [] __intel_set_mode+0xba9/0xf1f [i915] [ 361.885111] [] intel_set_mode+0x17/0x2f [i915] [ 361.885169] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 361.885208] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 361.885245] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 361.885281] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 361.885308] [] drm_ioctl+0x2b3/0x3ba [drm] [ 361.885344] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 361.885356] [] ? finish_task_switch+0x6c/0xd9 [ 361.885364] [] ? finish_task_switch+0x3b/0xd9 [ 361.885392] [] ? drm_copy_field+0x54/0x54 [drm] [ 361.885402] [] vfs_ioctl+0x20/0x2a [ 361.885434] [] do_vfs_ioctl+0x39e/0x442 [ 361.885458] [] ? vfs_write+0x103/0x16b [ 361.885476] [] SyS_ioctl+0x4a/0x6b [ 361.885494] [] 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] [] dump_stack+0x41/0x52 [ 367.320074] [] warn_slowpath_common+0x66/0x7d [ 367.320124] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 367.320132] [] warn_slowpath_fmt+0x2b/0x2f [ 367.320182] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 367.320234] [] intel_disable_pipe+0x7a/0x83 [i915] [ 367.320284] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 367.320315] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 367.320368] [] __intel_set_mode+0xba9/0xf1f [i915] [ 367.320420] [] intel_set_mode+0x17/0x2f [i915] [ 367.320473] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 367.320507] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 367.320539] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 367.320571] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 367.320595] [] drm_ioctl+0x2b3/0x3ba [drm] [ 367.320626] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 367.320635] [] ? ktime_get+0x5e/0xce [ 367.320659] [] ? drm_copy_field+0x54/0x54 [drm] [ 367.320666] [] vfs_ioctl+0x20/0x2a [ 367.320672] [] do_vfs_ioctl+0x39e/0x442 [ 367.320679] [] ? tick_program_event+0x24/0x29 [ 367.320686] [] ? hrtimer_interrupt+0x13b/0x1ef [ 367.320693] [] SyS_ioctl+0x4a/0x6b [ 367.320700] [] 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] [] dump_stack+0x41/0x52 [ 372.681295] [] warn_slowpath_common+0x66/0x7d [ 372.681320] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 372.681324] [] warn_slowpath_fmt+0x2b/0x2f [ 372.681350] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 372.681376] [] intel_disable_pipe+0x7a/0x83 [i915] [ 372.681402] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 372.681420] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 372.681448] [] __intel_set_mode+0xba9/0xf1f [i915] [ 372.681475] [] intel_set_mode+0x17/0x2f [i915] [ 372.681501] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 372.681520] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 372.681536] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 372.681553] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 372.681565] [] drm_ioctl+0x2b3/0x3ba [drm] [ 372.681581] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 372.681587] [] ? finish_task_switch+0x6c/0xd9 [ 372.681591] [] ? finish_task_switch+0x3b/0xd9 [ 372.681603] [] ? drm_copy_field+0x54/0x54 [drm] [ 372.681608] [] vfs_ioctl+0x20/0x2a [ 372.681612] [] do_vfs_ioctl+0x39e/0x442 [ 372.681616] [] ? vfs_write+0x103/0x16b [ 372.681620] [] SyS_ioctl+0x4a/0x6b [ 372.681625] [] 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] [] dump_stack+0x41/0x52 [ 378.038617] [] warn_slowpath_common+0x66/0x7d [ 378.038637] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 378.038641] [] warn_slowpath_fmt+0x2b/0x2f [ 378.038662] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 378.038683] [] intel_disable_pipe+0x7a/0x83 [i915] [ 378.038703] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 378.038718] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 378.038740] [] __intel_set_mode+0xba9/0xf1f [i915] [ 378.038762] [] intel_set_mode+0x17/0x2f [i915] [ 378.038783] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 378.038797] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 378.038811] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 378.038824] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 378.038834] [] drm_ioctl+0x2b3/0x3ba [drm] [ 378.038846] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 378.038851] [] ? finish_task_switch+0x6c/0xd9 [ 378.038853] [] ? finish_task_switch+0x3b/0xd9 [ 378.038863] [] ? drm_copy_field+0x54/0x54 [drm] [ 378.038866] [] vfs_ioctl+0x20/0x2a [ 378.038869] [] do_vfs_ioctl+0x39e/0x442 [ 378.038872] [] ? vfs_write+0x103/0x16b [ 378.038875] [] SyS_ioctl+0x4a/0x6b [ 378.038878] [] 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] [] dump_stack+0x41/0x52 [ 383.387917] [] warn_slowpath_common+0x66/0x7d [ 383.387938] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 383.387941] [] warn_slowpath_fmt+0x2b/0x2f [ 383.387962] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 383.387983] [] intel_disable_pipe+0x7a/0x83 [i915] [ 383.388004] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 383.388019] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 383.388041] [] __intel_set_mode+0xba9/0xf1f [i915] [ 383.388063] [] intel_set_mode+0x17/0x2f [i915] [ 383.388084] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 383.388099] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 383.388113] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 383.388126] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 383.388136] [] drm_ioctl+0x2b3/0x3ba [drm] [ 383.388149] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 383.388153] [] ? finish_task_switch+0x6c/0xd9 [ 383.388156] [] ? finish_task_switch+0x3b/0xd9 [ 383.388165] [] ? drm_copy_field+0x54/0x54 [drm] [ 383.388169] [] vfs_ioctl+0x20/0x2a [ 383.388171] [] do_vfs_ioctl+0x39e/0x442 [ 383.388174] [] ? vfs_write+0x103/0x16b [ 383.388177] [] SyS_ioctl+0x4a/0x6b [ 383.388180] [] 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] [] dump_stack+0x41/0x52 [ 388.800142] [] warn_slowpath_common+0x66/0x7d [ 388.800166] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 388.800170] [] warn_slowpath_fmt+0x2b/0x2f [ 388.800193] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 388.800217] [] intel_disable_pipe+0x7a/0x83 [i915] [ 388.800241] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 388.800256] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 388.800280] [] __intel_set_mode+0xba9/0xf1f [i915] [ 388.800305] [] intel_set_mode+0x17/0x2f [i915] [ 388.800329] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 388.800346] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 388.800361] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 388.800376] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 388.800388] [] drm_ioctl+0x2b3/0x3ba [drm] [ 388.800402] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 388.800408] [] ? finish_task_switch+0x6c/0xd9 [ 388.800411] [] ? finish_task_switch+0x3b/0xd9 [ 388.800422] [] ? drm_copy_field+0x54/0x54 [drm] [ 388.800427] [] vfs_ioctl+0x20/0x2a [ 388.800431] [] do_vfs_ioctl+0x39e/0x442 [ 388.800435] [] ? vfs_write+0x103/0x16b [ 388.800438] [] SyS_ioctl+0x4a/0x6b [ 388.800442] [] 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] [] dump_stack+0x41/0x52 [ 394.214507] [] warn_slowpath_common+0x66/0x7d [ 394.214531] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 394.214534] [] warn_slowpath_fmt+0x2b/0x2f [ 394.214558] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 394.214581] [] intel_disable_pipe+0x7a/0x83 [i915] [ 394.214604] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 394.214618] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 394.214642] [] __intel_set_mode+0xba9/0xf1f [i915] [ 394.214666] [] intel_set_mode+0x17/0x2f [i915] [ 394.214689] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 394.214704] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 394.214719] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 394.214734] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 394.214744] [] drm_ioctl+0x2b3/0x3ba [drm] [ 394.214759] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 394.214764] [] ? finish_task_switch+0x6c/0xd9 [ 394.214766] [] ? finish_task_switch+0x3b/0xd9 [ 394.214777] [] ? drm_copy_field+0x54/0x54 [drm] [ 394.214781] [] vfs_ioctl+0x20/0x2a [ 394.214783] [] do_vfs_ioctl+0x39e/0x442 [ 394.214787] [] ? vfs_write+0x103/0x16b [ 394.214789] [] SyS_ioctl+0x4a/0x6b [ 394.214793] [] 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] [] dump_stack+0x41/0x52 [ 399.617958] [] warn_slowpath_common+0x66/0x7d [ 399.618000] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 399.618006] [] warn_slowpath_fmt+0x2b/0x2f [ 399.618047] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 399.618089] [] intel_disable_pipe+0x7a/0x83 [i915] [ 399.618131] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 399.618156] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 399.618199] [] __intel_set_mode+0xba9/0xf1f [i915] [ 399.618242] [] intel_set_mode+0x17/0x2f [i915] [ 399.618285] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 399.618313] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 399.618339] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 399.618365] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 399.618385] [] drm_ioctl+0x2b3/0x3ba [drm] [ 399.618411] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 399.618419] [] ? finish_task_switch+0x6c/0xd9 [ 399.618423] [] ? finish_task_switch+0x3b/0xd9 [ 399.618443] [] ? drm_copy_field+0x54/0x54 [drm] [ 399.618448] [] vfs_ioctl+0x20/0x2a [ 399.618453] [] do_vfs_ioctl+0x39e/0x442 [ 399.618459] [] ? vfs_write+0x103/0x16b [ 399.618464] [] SyS_ioctl+0x4a/0x6b [ 399.618469] [] 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] [] dump_stack+0x41/0x52 [ 405.013251] [] warn_slowpath_common+0x66/0x7d [ 405.013271] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 405.013275] [] warn_slowpath_fmt+0x2b/0x2f [ 405.013295] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 405.013317] [] intel_disable_pipe+0x7a/0x83 [i915] [ 405.013337] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 405.013350] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 405.013372] [] __intel_set_mode+0xba9/0xf1f [i915] [ 405.013394] [] intel_set_mode+0x17/0x2f [i915] [ 405.013415] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 405.013430] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 405.013443] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 405.013456] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 405.013466] [] drm_ioctl+0x2b3/0x3ba [drm] [ 405.013478] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 405.013483] [] ? finish_task_switch+0x6c/0xd9 [ 405.013485] [] ? finish_task_switch+0x3b/0xd9 [ 405.013495] [] ? drm_copy_field+0x54/0x54 [drm] [ 405.013498] [] vfs_ioctl+0x20/0x2a [ 405.013501] [] do_vfs_ioctl+0x39e/0x442 [ 405.013504] [] ? vfs_write+0x103/0x16b [ 405.013506] [] SyS_ioctl+0x4a/0x6b [ 405.013509] [] 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] [] dump_stack+0x41/0x52 [ 410.403637] [] warn_slowpath_common+0x66/0x7d [ 410.403687] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 410.403695] [] warn_slowpath_fmt+0x2b/0x2f [ 410.403746] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 410.403797] [] intel_disable_pipe+0x7a/0x83 [i915] [ 410.403848] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 410.403878] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 410.403931] [] __intel_set_mode+0xba9/0xf1f [i915] [ 410.403983] [] intel_set_mode+0x17/0x2f [i915] [ 410.404035] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 410.404069] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 410.404101] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 410.404133] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 410.404157] [] drm_ioctl+0x2b3/0x3ba [drm] [ 410.404188] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 410.404198] [] ? finish_task_switch+0x6c/0xd9 [ 410.404204] [] ? finish_task_switch+0x3b/0xd9 [ 410.404227] [] ? drm_copy_field+0x54/0x54 [drm] [ 410.404234] [] vfs_ioctl+0x20/0x2a [ 410.404240] [] do_vfs_ioctl+0x39e/0x442 [ 410.404246] [] ? vfs_write+0x103/0x16b [ 410.404253] [] SyS_ioctl+0x4a/0x6b [ 410.404259] [] 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] [] dump_stack+0x41/0x52 [ 415.792812] [] warn_slowpath_common+0x66/0x7d [ 415.792835] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 415.792839] [] warn_slowpath_fmt+0x2b/0x2f [ 415.792862] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 415.792885] [] intel_disable_pipe+0x7a/0x83 [i915] [ 415.792908] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 415.792922] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 415.792946] [] __intel_set_mode+0xba9/0xf1f [i915] [ 415.792969] [] intel_set_mode+0x17/0x2f [i915] [ 415.792993] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 415.793008] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 415.793023] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 415.793038] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 415.793048] [] drm_ioctl+0x2b3/0x3ba [drm] [ 415.793062] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 415.793067] [] ? finish_task_switch+0x6c/0xd9 [ 415.793070] [] ? finish_task_switch+0x3b/0xd9 [ 415.793081] [] ? drm_copy_field+0x54/0x54 [drm] [ 415.793084] [] vfs_ioctl+0x20/0x2a [ 415.793087] [] do_vfs_ioctl+0x39e/0x442 [ 415.793090] [] ? vfs_write+0x103/0x16b [ 415.793093] [] SyS_ioctl+0x4a/0x6b [ 415.793096] [] 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] [] dump_stack+0x41/0x52 [ 421.137196] [] warn_slowpath_common+0x66/0x7d [ 421.137217] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 421.137220] [] warn_slowpath_fmt+0x2b/0x2f [ 421.137241] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 421.137262] [] intel_disable_pipe+0x7a/0x83 [i915] [ 421.137283] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 421.137297] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 421.137318] [] __intel_set_mode+0xba9/0xf1f [i915] [ 421.137340] [] intel_set_mode+0x17/0x2f [i915] [ 421.137361] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 421.137375] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 421.137389] [] drm_mode_setcrtc+0x348/0x3e8 [drm] [ 421.137402] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 421.137412] [] drm_ioctl+0x2b3/0x3ba [drm] [ 421.137424] [] ? drm_mode_setplane+0x2c3/0x2c3 [drm] [ 421.137429] [] ? finish_task_switch+0x6c/0xd9 [ 421.137431] [] ? finish_task_switch+0x3b/0xd9 [ 421.137441] [] ? drm_copy_field+0x54/0x54 [drm] [ 421.137444] [] vfs_ioctl+0x20/0x2a [ 421.137447] [] do_vfs_ioctl+0x39e/0x442 [ 421.137450] [] ? vfs_write+0x103/0x16b [ 421.137452] [] SyS_ioctl+0x4a/0x6b [ 421.137455] [] 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] [] dump_stack+0x41/0x52 [ 426.432473] [] warn_slowpath_common+0x66/0x7d [ 426.432514] [] ? intel_wait_for_pipe_off+0x140/0x14b [i915] [ 426.432520] [] warn_slowpath_fmt+0x2b/0x2f [ 426.432562] [] intel_wait_for_pipe_off+0x140/0x14b [i915] [ 426.432603] [] intel_disable_pipe+0x7a/0x83 [i915] [ 426.432645] [] ironlake_crtc_disable+0xc6/0x70e [i915] [ 426.432669] [] ? drm_ut_debug_printk+0x37/0x3b [drm] [ 426.432711] [] __intel_set_mode+0xab1/0xf1f [i915] [ 426.432718] [] ? trace_hardirqs_on_caller+0x14b/0x166 [ 426.432722] [] ? trace_hardirqs_on+0xb/0xd [ 426.432765] [] intel_set_mode+0x17/0x2f [i915] [ 426.432808] [] intel_crtc_set_config+0x572/0x6ac [i915] [ 426.432835] [] drm_mode_set_config_internal+0x3e/0x95 [drm] [ 426.432862] [] drm_framebuffer_remove+0x73/0xdc [drm] [ 426.432888] [] drm_mode_rmfb+0xba/0xe0 [drm] [ 426.432914] [] ? drm_mode_addfb2+0x544/0x544 [drm] [ 426.432933] [] drm_ioctl+0x2b3/0x3ba [drm] [ 426.432958] [] ? drm_mode_addfb2+0x544/0x544 [drm] [ 426.432966] [] ? _raw_spin_unlock_irqrestore+0x38/0x3e [ 426.432971] [] ? trace_hardirqs_on_caller+0x14b/0x166 [ 426.432976] [] ? trace_hardirqs_on+0xb/0xd [ 426.432982] [] ? hrtimer_try_to_cancel+0x91/0x9b [ 426.432987] [] ? hrtimer_cancel+0x12/0x1d [ 426.432992] [] ? do_nanosleep+0xbf/0xf9 [ 426.433011] [] ? drm_copy_field+0x54/0x54 [drm] [ 426.433016] [] vfs_ioctl+0x20/0x2a [ 426.433021] [] do_vfs_ioctl+0x39e/0x442 [ 426.433026] [] ? hrtimer_get_res+0x36/0x36 [ 426.433031] [] ? hrtimer_start_range_ns+0x15/0x17 [ 426.433036] [] SyS_ioctl+0x4a/0x6b [ 426.433041] [] 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]