Attachment 77974 Details for Bug 63453 – dmesg : 3.9-rc display call trace with DP

dmesg : 3.9-rc display call trace with DP

display_call_trace (text/plain), 123.32 KB, created by shui yangwei on 2013-04-15 06:17:25 UTC

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Description:

Filename:

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Creator: shui yangwei

Created: 2013-04-15 06:17:25 UTC

Size: 123.32 KB

patch

obsolete

>[  256.565747] [drm:drm_mode_debug_printmodeline], Modeline 49:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  256.565759] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 154000KHz
>[  256.565769] [drm:intel_dp_compute_config], DP link bw 06 lane count 4 clock 162000 bpp 24
>[  256.565774] [drm:intel_dp_compute_config], DP link bw required 369600 available 518400
>[  256.565779] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  256.565782] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  256.565787] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 2
>[  256.566029] [drm:intel_dp_link_down], 
>[  256.621335] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  256.670445] [drm:intel_disable_pch_pll], disable PCH PLL c6018 (active 1, on? 1) for crtc 5
>[  256.670453] [drm:intel_disable_pch_pll], disabling PCH PLL c6018
>[  256.670869] [drm:intel_update_fbc], no output, disabling
>[  256.670878] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  256.670879] [drm:drm_mode_debug_printmodeline], Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  256.670882] [drm:intel_get_pch_pll], CRTC:3 using pre-allocated PCH PLL c6014
>[  256.670884] [drm:intel_get_pch_pll], using pll 0 for pipe 0
>[  256.670886] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  256.671199] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 2
>[  256.722478] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  256.722487] [drm:ironlake_update_plane], Writing base 010E1000 00000000 0 0 7680
>[  256.722495] [drm:intel_update_fbc], no output, disabling
>[  256.722501] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1920x1200]
>[  256.722508] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 9, cursor: 6
>[  256.722514] [drm:ironlake_check_srwm], watermark 1: display plane 51, fbc lines 3, cursor 6
>[  256.722520] [drm:ironlake_check_srwm], watermark 2: display plane 166, fbc lines 4, cursor 10
>[  256.774505] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  256.826537] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  256.826852] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  256.826854] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  256.827011] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  256.827012] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  256.827014] [drm:ironlake_fdi_link_train], FDI train done
>[  256.827015] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  256.827018] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  256.828244] [drm:intel_update_fbc], fbc set to per-chip default
>[  256.828246] [drm:intel_update_fbc], fbc disabled per module param
>[  256.828728] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  256.829520] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  256.830252] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  256.830981] [drm:intel_dp_start_link_train], clock recovery OK
>[  256.830984] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  256.832073] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  256.833157] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  256.834184] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  256.835215] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  256.836245] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  256.853526] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  256.853539] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  256.853545] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  256.853550] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  256.853555] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  256.853561] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  256.853566] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  256.853571] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  256.853576] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  256.853581] [drm:intel_modeset_check_state], [CRTC:3]
>[  256.853586] [drm:intel_modeset_check_state], [CRTC:5]
>[  261.976801] [drm:drm_mode_addfb], [FB:49]
>[  261.976877] [drm:drm_mode_setcrtc], [CRTC:3]
>[  261.976886] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  261.976890] [drm:intel_crtc_set_config], [CRTC:3] [FB:49] #connectors=1 (x y) (0 0)
>[  261.976899] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  261.976903] [drm:drm_mode_debug_printmodeline], Modeline 49:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  261.976909] [drm:drm_mode_debug_printmodeline], Modeline 50:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  261.976917] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  261.976921] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  261.976924] [drm:drm_mode_debug_printmodeline], Modeline 50:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  261.976934] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 162000KHz
>[  261.976942] [drm:intel_dp_compute_config], DP link bw 06 lane count 4 clock 162000 bpp 24
>[  261.976946] [drm:intel_dp_compute_config], DP link bw required 388800 available 518400
>[  261.976950] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  261.976953] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  261.976957] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  261.977151] [drm:intel_dp_link_down], 
>[  262.027739] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  262.027742] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  262.028156] [drm:intel_update_fbc], no output, disabling
>[  262.028163] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  262.028165] [drm:drm_mode_debug_printmodeline], Modeline 0:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  262.028167] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  262.028169] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  262.028483] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 2
>[  262.079775] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  262.079782] [drm:ironlake_update_plane], Writing base 019AB000 00000000 0 0 6400
>[  262.131807] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  262.131812] [drm:intel_update_fbc], no output, disabling
>[  262.131819] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1600x1200]
>[  262.131825] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 10, cursor: 6
>[  262.131830] [drm:ironlake_check_srwm], watermark 1: display plane 53, fbc lines 3, cursor 6
>[  262.131835] [drm:ironlake_check_srwm], watermark 2: display plane 175, fbc lines 4, cursor 10
>[  262.183838] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  262.235867] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  262.236185] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  262.236188] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  262.236346] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  262.236349] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  262.236351] [drm:ironlake_fdi_link_train], FDI train done
>[  262.236353] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  262.236359] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  262.237587] [drm:intel_update_fbc], fbc set to per-chip default
>[  262.237589] [drm:intel_update_fbc], fbc disabled per module param
>[  262.238042] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  262.238841] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  262.239576] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  262.240307] [drm:intel_dp_start_link_train], clock recovery OK
>[  262.240309] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  262.241464] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  262.242493] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  262.243520] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  262.244555] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  262.245569] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  262.262832] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  262.262846] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  262.262853] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  262.262859] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  262.262865] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  262.262871] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  262.262877] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  262.262883] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  262.262890] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  262.262895] [drm:intel_modeset_check_state], [CRTC:3]
>[  262.262901] [drm:intel_modeset_check_state], [CRTC:5]
>[  262.262918] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  262.263480] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  262.263816] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  262.263826] [drm:intel_crt_detect], CRT not detected via hotplug
>[  262.264003] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  262.264011] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  262.264016] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  262.264020] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  262.264378] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  262.264380] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  262.264382] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  262.264385] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  262.271881] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  262.271884] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  262.272190] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  262.273359] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  262.306823] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  262.306827] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  262.307017] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  262.307024] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  262.307028] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  262.307199] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  262.307207] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  262.307212] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  262.307220] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  262.307227] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  267.381694] [drm:drm_mode_addfb], [FB:50]
>[  267.381768] [drm:drm_mode_setcrtc], [CRTC:3]
>[  267.381777] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  267.381783] [drm:intel_crtc_set_config], [CRTC:3] [FB:50] #connectors=1 (x y) (0 0)
>[  267.381793] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  267.381797] [drm:drm_mode_debug_printmodeline], Modeline 50:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  267.381805] [drm:drm_mode_debug_printmodeline], Modeline 51:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  267.381813] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  267.381819] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  267.381824] [drm:drm_mode_debug_printmodeline], Modeline 51:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  267.381838] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 146250KHz
>[  267.381848] [drm:intel_dp_compute_config], DP link bw 06 lane count 4 clock 162000 bpp 24
>[  267.381853] [drm:intel_dp_compute_config], DP link bw required 351000 available 518400
>[  267.381858] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  267.381862] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  267.381867] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  267.382119] [drm:intel_dp_link_down], 
>[  267.435011] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  267.435020] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  267.435436] [drm:intel_update_fbc], no output, disabling
>[  267.435443] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  267.435444] [drm:drm_mode_debug_printmodeline], Modeline 0:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  267.435448] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  267.435449] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  267.435763] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 2
>[  267.487041] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  267.487049] [drm:ironlake_update_plane], Writing base 020FE000 00000000 0 0 6720
>[  267.539073] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  267.539078] [drm:intel_update_fbc], no output, disabling
>[  267.539086] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1680x1050]
>[  267.539095] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 9, cursor: 6
>[  267.539102] [drm:ironlake_check_srwm], watermark 1: display plane 48, fbc lines 3, cursor 6
>[  267.539108] [drm:ironlake_check_srwm], watermark 2: display plane 158, fbc lines 4, cursor 10
>[  267.591171] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  267.643203] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  267.643519] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  267.643521] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  267.643678] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  267.643679] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  267.643680] [drm:ironlake_fdi_link_train], FDI train done
>[  267.643682] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  267.643685] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  267.644911] [drm:intel_update_fbc], fbc set to per-chip default
>[  267.644913] [drm:intel_update_fbc], fbc disabled per module param
>[  267.645398] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  267.646120] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  267.646915] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  267.647645] [drm:intel_dp_start_link_train], clock recovery OK
>[  267.647648] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  267.648675] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  267.649766] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  267.650792] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  267.651821] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  267.652839] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  267.670163] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  267.670175] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  267.670182] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  267.670189] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  267.670195] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  267.670201] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  267.670208] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  267.670214] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  267.670220] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  267.670226] [drm:intel_modeset_check_state], [CRTC:3]
>[  267.670232] [drm:intel_modeset_check_state], [CRTC:5]
>[  267.670276] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  267.670776] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  267.671108] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  267.671111] [drm:intel_crt_detect], CRT not detected via hotplug
>[  267.671271] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  267.671274] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  267.671276] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  267.671278] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  267.671639] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  267.671643] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  267.671647] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  267.671652] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  267.679168] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  267.679173] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  267.679469] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  267.680631] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  267.714070] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  267.714074] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  267.714246] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  267.714251] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  267.714256] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  267.714427] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  267.714435] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  267.714441] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  267.714449] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  267.714457] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  272.775555] [drm:drm_mode_addfb], [FB:51]
>[  272.775628] [drm:drm_mode_setcrtc], [CRTC:3]
>[  272.775637] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  272.775643] [drm:intel_crtc_set_config], [CRTC:3] [FB:51] #connectors=1 (x y) (0 0)
>[  272.775652] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  272.775656] [drm:drm_mode_debug_printmodeline], Modeline 51:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  272.775664] [drm:drm_mode_debug_printmodeline], Modeline 52:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  272.775673] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  272.775679] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  272.775683] [drm:drm_mode_debug_printmodeline], Modeline 52:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  272.775696] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 135000KHz
>[  272.775708] [drm:intel_dp_compute_config], DP link bw 06 lane count 4 clock 162000 bpp 24
>[  272.775713] [drm:intel_dp_compute_config], DP link bw required 324000 available 518400
>[  272.775719] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  272.775723] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  272.775728] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  272.775975] [drm:intel_dp_link_down], 
>[  272.823332] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  272.823339] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  272.823755] [drm:intel_update_fbc], no output, disabling
>[  272.823762] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  272.823763] [drm:drm_mode_debug_printmodeline], Modeline 0:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  272.823767] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  272.823769] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  272.824083] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 2
>[  272.875362] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  272.875370] [drm:ironlake_update_plane], Writing base 027B9000 00000000 0 0 5120
>[  272.927394] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  272.927399] [drm:intel_update_fbc], no output, disabling
>[  272.927407] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1280x1024]
>[  272.927415] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 8, cursor: 6
>[  272.927422] [drm:ironlake_check_srwm], watermark 1: display plane 45, fbc lines 3, cursor 6
>[  272.927428] [drm:ironlake_check_srwm], watermark 2: display plane 146, fbc lines 4, cursor 10
>[  272.979426] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  273.031459] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  273.031775] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  273.031777] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  273.031934] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  273.031936] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  273.031937] [drm:ironlake_fdi_link_train], FDI train done
>[  273.031939] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  273.031943] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  273.033167] [drm:intel_update_fbc], fbc set to per-chip default
>[  273.033169] [drm:intel_update_fbc], fbc disabled per module param
>[  273.033647] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  273.036115] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  273.036899] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  273.037620] [drm:intel_dp_start_link_train], clock recovery OK
>[  273.037623] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  273.038634] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  273.039738] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  273.040866] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  273.041923] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  273.043007] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  273.056509] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  273.056522] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  273.056527] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  273.056533] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  273.056538] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  273.056544] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  273.056549] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  273.056554] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  273.056559] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  273.056564] [drm:intel_modeset_check_state], [CRTC:3]
>[  273.056569] [drm:intel_modeset_check_state], [CRTC:5]
>[  278.162004] [drm:drm_mode_addfb], [FB:52]
>[  278.162077] [drm:drm_mode_setcrtc], [CRTC:3]
>[  278.162086] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  278.162090] [drm:intel_crtc_set_config], [CRTC:3] [FB:52] #connectors=1 (x y) (0 0)
>[  278.162098] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  278.162103] [drm:drm_mode_debug_printmodeline], Modeline 52:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  278.162109] [drm:drm_mode_debug_printmodeline], Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  278.162117] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  278.162122] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  278.162125] [drm:drm_mode_debug_printmodeline], Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  278.162135] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 108000KHz
>[  278.162144] [drm:intel_dp_compute_config], DP link bw 06 lane count 2 clock 162000 bpp 24
>[  278.162148] [drm:intel_dp_compute_config], DP link bw required 259200 available 259200
>[  278.162153] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  278.162156] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  278.162160] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  278.162349] [drm:intel_dp_link_down], 
>[  278.200711] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  278.200717] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  278.201135] [drm:intel_update_fbc], no output, disabling
>[  278.201144] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  278.201147] [drm:drm_mode_debug_printmodeline], Modeline 0:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  278.201152] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  278.201155] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  278.201470] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 2
>[  278.252742] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  278.252750] [drm:ironlake_update_plane], Writing base 02CB9000 00000000 0 0 5120
>[  278.304775] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  278.304780] [drm:intel_update_fbc], no output, disabling
>[  278.304787] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1280x1024]
>[  278.304793] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 7, cursor: 6
>[  278.304799] [drm:ironlake_check_srwm], watermark 1: display plane 36, fbc lines 3, cursor 6
>[  278.304803] [drm:ironlake_check_srwm], watermark 2: display plane 117, fbc lines 4, cursor 10
>[  278.356806] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  278.408838] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  278.409155] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  278.409158] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  278.409317] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  278.409319] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  278.409322] [drm:ironlake_fdi_link_train], FDI train done
>[  278.409325] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  278.409330] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  278.410559] [drm:intel_update_fbc], fbc set to per-chip default
>[  278.410562] [drm:intel_update_fbc], fbc disabled per module param
>[  278.411011] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  278.411811] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  278.412543] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  278.413268] [drm:intel_dp_start_link_train], clock recovery OK
>[  278.413271] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  278.414300] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  278.415445] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  278.416473] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  278.417507] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  278.418534] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  278.435832] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  278.435846] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  278.435852] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  278.435858] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  278.435863] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  278.435868] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  278.435873] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  278.435878] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  278.435884] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  278.435888] [drm:intel_modeset_check_state], [CRTC:3]
>[  278.435894] [drm:intel_modeset_check_state], [CRTC:5]
>[  283.532312] [drm:drm_mode_addfb], [FB:53]
>[  283.532395] [drm:drm_mode_setcrtc], [CRTC:3]
>[  283.532405] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  283.532410] [drm:intel_crtc_set_config], [CRTC:3] [FB:53] #connectors=1 (x y) (0 0)
>[  283.532419] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  283.532423] [drm:drm_mode_debug_printmodeline], Modeline 53:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  283.532431] [drm:drm_mode_debug_printmodeline], Modeline 54:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  283.532441] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  283.532446] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  283.532450] [drm:drm_mode_debug_printmodeline], Modeline 54:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  283.532463] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 108000KHz
>[  283.532473] [drm:intel_dp_compute_config], DP link bw 06 lane count 2 clock 162000 bpp 24
>[  283.532478] [drm:intel_dp_compute_config], DP link bw required 259200 available 259200
>[  283.532483] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  283.532487] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  283.532492] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  283.532754] [drm:intel_dp_link_down], 
>[  283.592035] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  283.694098] ------------[ cut here ]------------
>[  283.694219] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  283.694299] Hardware name: 25222AU
>[  283.694328] pipe_off wait timed out
>[  283.694358] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  283.694870] Pid: 3884, comm: testdisplay Not tainted 3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  283.694942] Call Trace:
>[  283.694971]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  283.695036]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  283.695091]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  283.695146]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  283.695208]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  283.695266]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  283.695317]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  283.695366]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  283.695413]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  283.695470]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  283.695521]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  283.695572]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  283.695625]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  283.695673]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  283.695719]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  283.695759]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  283.695804]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  283.695851]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  283.695893]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  283.695928]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  283.695966]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  283.696005]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  283.696046]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  283.696087]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  283.696130]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  283.696175] ---[ end trace 2a5227b49641a1e2 ]---
>[  283.706102] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  283.706108] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  283.706524] [drm:intel_update_fbc], no output, disabling
>[  283.706530] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  283.706531] [drm:drm_mode_debug_printmodeline], Modeline 0:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  283.706534] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  283.706536] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  283.706849] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 2
>[  283.758132] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  283.758139] [drm:ironlake_update_plane], Writing base 031B9000 00000000 0 0 4608
>[  283.810164] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  283.810169] [drm:intel_update_fbc], no output, disabling
>[  283.810176] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1152x864]
>[  283.810182] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 7, cursor: 6
>[  283.810187] [drm:ironlake_check_srwm], watermark 1: display plane 36, fbc lines 3, cursor 6
>[  283.810192] [drm:ironlake_check_srwm], watermark 2: display plane 117, fbc lines 4, cursor 10
>[  283.862197] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  283.914226] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  283.914542] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  283.914544] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  283.914701] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  283.914703] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  283.914704] [drm:ironlake_fdi_link_train], FDI train done
>[  283.914705] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  283.914709] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  283.915935] [drm:intel_update_fbc], fbc set to per-chip default
>[  283.915936] [drm:intel_update_fbc], fbc disabled per module param
>[  283.916420] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  283.917208] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  283.917936] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  283.918661] [drm:intel_dp_start_link_train], clock recovery OK
>[  283.918665] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  283.919693] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  283.920823] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  283.921850] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  283.922883] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  283.923911] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  283.939222] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  283.939234] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  283.939240] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  283.939245] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  283.939250] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  283.939255] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  283.939261] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  283.939266] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  283.939271] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  283.939276] [drm:intel_modeset_check_state], [CRTC:3]
>[  283.939281] [drm:intel_modeset_check_state], [CRTC:5]
>[  283.939299] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  283.939803] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  283.940131] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  283.940134] [drm:intel_crt_detect], CRT not detected via hotplug
>[  283.940307] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  283.940315] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  283.940320] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  283.940324] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  283.940691] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  283.940696] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  283.940700] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  283.940705] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  283.948199] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  283.948205] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  283.948500] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  283.949664] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  283.983153] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  283.983157] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  283.983326] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  283.983334] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  283.983339] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  283.983510] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  283.983515] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  283.983519] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  283.983526] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  283.983532] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  289.029847] [drm:drm_mode_addfb], [FB:54]
>[  289.029921] [drm:drm_mode_setcrtc], [CRTC:3]
>[  289.029929] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  289.029934] [drm:intel_crtc_set_config], [CRTC:3] [FB:54] #connectors=1 (x y) (0 0)
>[  289.029942] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  289.029946] [drm:drm_mode_debug_printmodeline], Modeline 54:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  289.029953] [drm:drm_mode_debug_printmodeline], Modeline 55:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  289.029961] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  289.029965] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  289.029968] [drm:drm_mode_debug_printmodeline], Modeline 55:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  289.029978] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 78800KHz
>[  289.029987] [drm:intel_dp_compute_config], DP link bw 06 lane count 2 clock 162000 bpp 24
>[  289.029991] [drm:intel_dp_compute_config], DP link bw required 189120 available 259200
>[  289.029995] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  289.029998] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  289.030002] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  289.030185] [drm:intel_dp_link_down], 
>[  289.088345] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.190408] ------------[ cut here ]------------
>[  289.190473] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  289.190551] Hardware name: 25222AU
>[  289.190582] pipe_off wait timed out
>[  289.190612] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  289.191136] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  289.191220] Call Trace:
>[  289.191249]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  289.193754]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  289.196053]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  289.198317]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  289.200561]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  289.202804]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  289.205031]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  289.207220]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  289.209371]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  289.211557]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  289.213673]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  289.215736]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  289.217740]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  289.219721]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  289.221660]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  289.223583]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  289.225500]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  289.227367]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  289.229273]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  289.231168]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  289.233072]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  289.234979]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  289.236886]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  289.238797]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  289.240691]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  289.242593] ---[ end trace 2a5227b49641a1e3 ]---
>[  289.250450] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  289.250456] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  289.250871] [drm:intel_update_fbc], no output, disabling
>[  289.250877] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  289.250878] [drm:drm_mode_debug_printmodeline], Modeline 0:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  289.250881] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  289.250882] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  289.251196] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  289.302480] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.302487] [drm:ironlake_update_plane], Writing base 03585000 00000000 0 0 4096
>[  289.354515] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.354519] [drm:intel_update_fbc], no output, disabling
>[  289.354526] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1024x768]
>[  289.354533] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  289.354539] [drm:ironlake_check_srwm], watermark 1: display plane 27, fbc lines 3, cursor 6
>[  289.354544] [drm:ironlake_check_srwm], watermark 2: display plane 86, fbc lines 4, cursor 10
>[  289.406547] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.458646] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.458962] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  289.458964] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  289.459121] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  289.459123] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  289.459124] [drm:ironlake_fdi_link_train], FDI train done
>[  289.459125] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  289.459129] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  289.460354] [drm:intel_update_fbc], fbc set to per-chip default
>[  289.460356] [drm:intel_update_fbc], fbc disabled per module param
>[  289.460839] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  289.461657] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  289.462440] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  289.463173] [drm:intel_dp_start_link_train], clock recovery OK
>[  289.463176] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  289.464259] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  289.465287] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  289.466312] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  289.467403] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  289.468433] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  289.482610] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  289.482623] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  289.482629] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  289.482636] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  289.482642] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  289.482648] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  289.482655] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  289.482661] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  289.482667] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  289.482673] [drm:intel_modeset_check_state], [CRTC:3]
>[  289.482679] [drm:intel_modeset_check_state], [CRTC:5]
>[  289.482694] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  289.483287] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  289.483615] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  289.483618] [drm:intel_crt_detect], CRT not detected via hotplug
>[  289.483781] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  289.483787] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  289.483791] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  289.483794] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  289.484153] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  289.484155] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  289.484157] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  289.484159] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  289.491612] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  289.491614] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  289.491905] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  289.493060] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  289.526499] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  289.526503] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  289.526654] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  289.526657] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  289.526659] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  289.526824] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  289.526831] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  289.526836] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  289.526842] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  289.526849] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  294.532786] [drm:drm_mode_addfb], [FB:55]
>[  294.532842] [drm:drm_mode_setcrtc], [CRTC:3]
>[  294.532850] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  294.532852] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (0 0)
>[  294.532857] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  294.532859] [drm:drm_mode_debug_printmodeline], Modeline 55:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  294.532862] [drm:drm_mode_debug_printmodeline], Modeline 56:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  294.532866] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  294.532868] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  294.532870] [drm:drm_mode_debug_printmodeline], Modeline 56:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  294.532876] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 65000KHz
>[  294.532881] [drm:intel_dp_compute_config], DP link bw 06 lane count 2 clock 162000 bpp 24
>[  294.532883] [drm:intel_dp_compute_config], DP link bw required 156000 available 259200
>[  294.532885] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  294.532887] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  294.532889] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  294.533068] [drm:intel_dp_link_down], 
>[  294.587815] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  294.689877] ------------[ cut here ]------------
>[  294.693788] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  294.697891] Hardware name: 25222AU
>[  294.701918] pipe_off wait timed out
>[  294.705912] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  294.719473] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  294.724175] Call Trace:
>[  294.728854]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  294.733600]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  294.738376]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  294.743204]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  294.748048]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  294.752884]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  294.757719]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  294.762875]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  294.767958]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  294.772652]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  294.777224]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  294.781636]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  294.785932]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  294.790120]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  294.794206]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  294.798325]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  294.802393]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  294.806451]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  294.810484]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  294.814502]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  294.818507]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  294.822541]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  294.826550]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  294.830539]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  294.834517]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  294.838497] ---[ end trace 2a5227b49641a1e4 ]---
>[  294.845985] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  294.845992] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  294.846410] [drm:intel_update_fbc], no output, disabling
>[  294.846418] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  294.846421] [drm:drm_mode_debug_printmodeline], Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  294.846426] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  294.846429] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  294.846744] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  294.897997] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  294.898005] [drm:ironlake_update_plane], Writing base 03885000 00000000 0 0 4096
>[  294.950033] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  294.950039] [drm:intel_update_fbc], no output, disabling
>[  294.950046] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1024x768]
>[  294.950052] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 5, cursor: 6
>[  294.950057] [drm:ironlake_check_srwm], watermark 1: display plane 23, fbc lines 3, cursor 6
>[  294.950062] [drm:ironlake_check_srwm], watermark 2: display plane 66, fbc lines 4, cursor 6
>[  295.002065] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  295.054097] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  295.054414] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  295.054418] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  295.054576] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  295.054579] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  295.054581] [drm:ironlake_fdi_link_train], FDI train done
>[  295.054584] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  295.054589] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  295.055817] [drm:intel_update_fbc], fbc set to per-chip default
>[  295.055820] [drm:intel_update_fbc], fbc disabled per module param
>[  295.056264] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  295.057057] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  295.057844] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  295.058637] [drm:intel_dp_start_link_train], clock recovery OK
>[  295.058640] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  295.059726] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  295.060808] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  295.061832] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  295.062864] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  295.063890] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  295.082049] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  295.082058] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  295.082062] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  295.082066] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  295.082070] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  295.082073] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  295.082077] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  295.082081] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  295.082084] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  295.082088] [drm:intel_modeset_check_state], [CRTC:3]
>[  295.082092] [drm:intel_modeset_check_state], [CRTC:5]
>[  295.082100] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  295.082589] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  295.082920] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  295.082924] [drm:intel_crt_detect], CRT not detected via hotplug
>[  295.083090] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  295.083105] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  295.083110] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  295.083114] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  295.083475] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  295.083479] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  295.083484] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  295.083489] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  295.091119] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  295.091124] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  295.091470] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  295.092640] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  295.126086] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  295.126091] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  295.126254] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  295.126261] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  295.126265] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  295.126432] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  295.126439] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  295.126444] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  295.126452] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  295.126459] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  300.138424] [drm:drm_mode_addfb], [FB:56]
>[  300.138494] [drm:drm_mode_setcrtc], [CRTC:3]
>[  300.138503] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  300.138508] [drm:intel_crtc_set_config], [CRTC:3] [FB:56] #connectors=1 (x y) (0 0)
>[  300.138516] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  300.138520] [drm:drm_mode_debug_printmodeline], Modeline 56:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  300.138528] [drm:drm_mode_debug_printmodeline], Modeline 57:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  300.138538] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  300.138544] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  300.138549] [drm:drm_mode_debug_printmodeline], Modeline 57:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  300.138561] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 49500KHz
>[  300.138572] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  300.138577] [drm:intel_dp_compute_config], DP link bw required 118800 available 129600
>[  300.138583] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  300.138586] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  300.138591] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  300.138837] [drm:intel_dp_link_down], 
>[  300.203270] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  300.305333] ------------[ cut here ]------------
>[  300.308934] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  300.313072] Hardware name: 25222AU
>[  300.317184] pipe_off wait timed out
>[  300.319240] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  300.325833] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  300.330462] Call Trace:
>[  300.335133]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  300.339871]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  300.344664]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  300.349456]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  300.354336]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  300.359184]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  300.364066]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  300.368792]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  300.373482]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  300.378182]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  300.382769]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  300.387188]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  300.391894]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  300.396070]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  300.400163]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  300.404213]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  300.408286]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  300.412343]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  300.416400]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  300.420429]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  300.424458]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  300.428479]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  300.432509]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  300.436512]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  300.440502]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  300.444489] ---[ end trace 2a5227b49641a1e5 ]---
>[  300.452441] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  300.452447] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  300.452863] [drm:intel_update_fbc], no output, disabling
>[  300.452871] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  300.452874] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  300.452879] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  300.452882] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  300.453197] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  300.504453] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  300.504460] [drm:ironlake_update_plane], Writing base 03B85000 00000000 0 0 3200
>[  300.556485] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  300.556490] [drm:intel_update_fbc], no output, disabling
>[  300.556497] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:800x600]
>[  300.556503] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 33, cursor: 6
>[  300.556508] [drm:ironlake_check_srwm], watermark 1: display plane 18, fbc lines 3, cursor 6
>[  300.556512] [drm:ironlake_check_srwm], watermark 2: display plane 52, fbc lines 4, cursor 6
>[  300.608521] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  300.660554] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  300.660872] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  300.660875] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  300.661033] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  300.661036] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  300.661038] [drm:ironlake_fdi_link_train], FDI train done
>[  300.661041] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  300.661046] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  300.662274] [drm:intel_update_fbc], fbc set to per-chip default
>[  300.662277] [drm:intel_update_fbc], fbc disabled per module param
>[  300.662730] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  300.663522] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  300.664248] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  300.664972] [drm:intel_dp_start_link_train], clock recovery OK
>[  300.664974] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  300.666003] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  300.667153] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  300.668239] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  300.669333] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  300.670420] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  300.684501] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  300.684511] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  300.684515] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  300.684519] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  300.684522] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  300.684526] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  300.684530] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  300.684533] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  300.684537] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  300.684540] [drm:intel_modeset_check_state], [CRTC:3]
>[  300.684544] [drm:intel_modeset_check_state], [CRTC:5]
>[  300.684552] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  300.685050] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  300.685377] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  300.685380] [drm:intel_crt_detect], CRT not detected via hotplug
>[  300.685543] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  300.685547] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  300.685549] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  300.685551] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  300.685909] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  300.685913] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  300.685917] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  300.685921] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  300.693517] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  300.693522] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  300.693819] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  300.694983] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  300.728468] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  300.728471] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  300.728628] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  300.728631] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  300.728633] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  300.728795] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  300.728797] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  300.728799] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  300.728803] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  300.728806] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  305.765551] [drm:drm_mode_addfb], [FB:57]
>[  305.765616] [drm:drm_mode_setcrtc], [CRTC:3]
>[  305.765651] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  305.765656] [drm:intel_crtc_set_config], [CRTC:3] [FB:57] #connectors=1 (x y) (0 0)
>[  305.765664] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  305.765668] [drm:drm_mode_debug_printmodeline], Modeline 57:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  305.765676] [drm:drm_mode_debug_printmodeline], Modeline 58:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  305.765685] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  305.765691] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  305.765695] [drm:drm_mode_debug_printmodeline], Modeline 58:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  305.765708] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 40000KHz
>[  305.765732] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  305.765740] [drm:intel_dp_compute_config], DP link bw required 96000 available 129600
>[  305.765747] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  305.765751] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  305.765756] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  305.765943] [drm:intel_dp_link_down], 
>[  305.820659] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  305.922730] ------------[ cut here ]------------
>[  305.927084] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  305.931591] Hardware name: 25222AU
>[  305.936077] pipe_off wait timed out
>[  305.940544] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  305.955850] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  305.961031] Call Trace:
>[  305.966163]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  305.971378]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  305.976622]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  305.981894]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  305.987201]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  305.992502]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  305.997809]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  306.002989]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  306.008089]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  306.013242]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  306.018247]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  306.023107]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  306.027811]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  306.032382]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  306.036849]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  306.041285]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  306.045718]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  306.050149]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  306.054598]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  306.058974]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  306.063339]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  306.067725]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  306.072096]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  306.076433]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  306.080760]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  306.085077] ---[ end trace 2a5227b49641a1e6 ]---
>[  306.090834] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  306.090841] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  306.091257] [drm:intel_update_fbc], no output, disabling
>[  306.091267] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  306.091271] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  306.091279] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  306.091284] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  306.091601] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  306.142864] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.142872] [drm:ironlake_update_plane], Writing base 03D5A000 00000000 0 0 3200
>[  306.194899] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.194903] [drm:intel_update_fbc], no output, disabling
>[  306.194911] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:800x600]
>[  306.194919] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 32, cursor: 6
>[  306.194926] [drm:ironlake_check_srwm], watermark 1: display plane 15, fbc lines 3, cursor 6
>[  306.194933] [drm:ironlake_check_srwm], watermark 2: display plane 45, fbc lines 3, cursor 6
>[  306.246931] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.298963] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.299280] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  306.299284] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  306.299443] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  306.299447] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  306.299451] [drm:ironlake_fdi_link_train], FDI train done
>[  306.299454] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  306.299462] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  306.300691] [drm:intel_update_fbc], fbc set to per-chip default
>[  306.300695] [drm:intel_update_fbc], fbc disabled per module param
>[  306.301167] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  306.301959] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  306.302752] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  306.303532] [drm:intel_dp_start_link_train], clock recovery OK
>[  306.303535] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  306.304612] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  306.305639] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  306.306664] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  306.307697] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  306.308779] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  306.325990] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  306.326002] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  306.326009] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  306.326015] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  306.326022] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  306.326028] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  306.326034] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  306.326040] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  306.326047] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  306.326052] [drm:intel_modeset_check_state], [CRTC:3]
>[  306.326058] [drm:intel_modeset_check_state], [CRTC:5]
>[  306.326142] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  306.326648] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  306.326980] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  306.326989] [drm:intel_crt_detect], CRT not detected via hotplug
>[  306.327157] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  306.327163] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  306.327168] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  306.327171] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  306.327530] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  306.327534] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  306.327539] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  306.327544] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  306.335047] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  306.335053] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  306.335406] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  306.336566] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  306.370028] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  306.370032] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  306.370193] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  306.370197] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  306.370199] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  306.370368] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  306.370374] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  306.370378] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  306.370384] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  306.370391] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  311.398784] [drm:drm_mode_addfb], [FB:58]
>[  311.398842] [drm:drm_mode_setcrtc], [CRTC:3]
>[  311.398849] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  311.398853] [drm:intel_crtc_set_config], [CRTC:3] [FB:58] #connectors=1 (x y) (0 0)
>[  311.398860] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  311.398863] [drm:drm_mode_debug_printmodeline], Modeline 58:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  311.398870] [drm:drm_mode_debug_printmodeline], Modeline 59:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  311.398878] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  311.398882] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  311.398885] [drm:drm_mode_debug_printmodeline], Modeline 59:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  311.398894] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 31500KHz
>[  311.398901] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  311.398905] [drm:intel_dp_compute_config], DP link bw required 75600 available 129600
>[  311.398909] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  311.398912] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  311.398916] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  311.399147] [drm:intel_dp_link_down], 
>[  311.456203] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  311.558268] ------------[ cut here ]------------
>[  311.561795] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  311.565832] Hardware name: 25222AU
>[  311.569854] pipe_off wait timed out
>[  311.573861] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  311.587519] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  311.592159] Call Trace:
>[  311.596760]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  311.601434]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  311.606194]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  311.610923]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  311.615685]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  311.620444]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  311.625213]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  311.629858]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  311.634464]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  311.639100]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  311.643589]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  311.647921]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  311.652127]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  311.656220]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  311.660231]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  311.664204]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  311.668186]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  311.672168]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  311.676127]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  311.680062]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  311.684036]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  311.687233]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  311.689217]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  311.691201]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  311.693178]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  311.695154] ---[ end trace 2a5227b49641a1e7 ]---
>[  311.699290] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  311.699295] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  311.699711] [drm:intel_update_fbc], no output, disabling
>[  311.699719] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  311.699723] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  311.699729] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  311.699733] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  311.700049] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  311.751385] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  311.751392] [drm:ironlake_update_plane], Writing base 03F2F000 00000000 0 0 2560
>[  311.803421] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  311.803426] [drm:intel_update_fbc], no output, disabling
>[  311.803433] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  311.803439] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  311.803444] [drm:ironlake_check_srwm], watermark 1: display plane 12, fbc lines 3, cursor 6
>[  311.803449] [drm:ironlake_check_srwm], watermark 2: display plane 36, fbc lines 3, cursor 6
>[  311.855453] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  311.907485] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  311.907802] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  311.907803] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  311.907960] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  311.907962] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  311.907963] [drm:ironlake_fdi_link_train], FDI train done
>[  311.907964] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  311.907968] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  311.909193] [drm:intel_update_fbc], fbc set to per-chip default
>[  311.909194] [drm:intel_update_fbc], fbc disabled per module param
>[  311.909676] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  311.910478] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  311.911269] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  311.911995] [drm:intel_dp_start_link_train], clock recovery OK
>[  311.911998] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  311.913102] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  311.914128] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  311.915154] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  311.916243] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  311.917273] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  311.931445] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  311.931458] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  311.931464] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  311.931471] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  311.931477] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  311.931484] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  311.931490] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  311.931496] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  311.931502] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  311.931508] [drm:intel_modeset_check_state], [CRTC:3]
>[  311.931514] [drm:intel_modeset_check_state], [CRTC:5]
>[  311.931531] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  311.932034] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  311.932363] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  311.932366] [drm:intel_crt_detect], CRT not detected via hotplug
>[  311.932530] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  311.932533] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  311.932536] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  311.932538] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  311.932891] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  311.932893] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  311.932895] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  311.932897] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  311.940500] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  311.940506] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  311.940858] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  311.942023] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  311.975497] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  311.975501] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  311.975657] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  311.975659] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  311.975661] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  311.975826] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  311.975829] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  311.975832] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  311.975836] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  311.975840] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  316.971654] [drm:drm_mode_addfb], [FB:59]
>[  316.971686] [drm:drm_mode_setcrtc], [CRTC:3]
>[  316.971693] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  316.971695] [drm:intel_crtc_set_config], [CRTC:3] [FB:59] #connectors=1 (x y) (0 0)
>[  316.971699] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  316.971701] [drm:drm_mode_debug_printmodeline], Modeline 59:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  316.971704] [drm:drm_mode_debug_printmodeline], Modeline 60:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  316.971707] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  316.971709] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  316.971711] [drm:drm_mode_debug_printmodeline], Modeline 60:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  316.971716] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 25200KHz
>[  316.971720] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  316.971722] [drm:intel_dp_compute_config], DP link bw required 60480 available 129600
>[  316.971724] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  316.971725] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  316.971727] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  316.971901] [drm:intel_dp_link_down], 
>[  317.028605] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.130715] ------------[ cut here ]------------
>[  317.134643] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  317.138721] Hardware name: 25222AU
>[  317.142758] pipe_off wait timed out
>[  317.146775] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  317.161396] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  317.166562] Call Trace:
>[  317.171193]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  317.175904]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  317.180709]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  317.185477]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  317.190283]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  317.195076]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  317.199875]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  317.204553]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  317.209162]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  317.213818]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  317.218336]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  317.222712]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  317.226955]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  317.231082]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  317.235122]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  317.239129]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  317.243133]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  317.247150]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  317.251136]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  317.255092]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  317.259041]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  317.263032]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  317.267017]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  317.270971]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  317.274905]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  317.278841] ---[ end trace 2a5227b49641a1e8 ]---
>[  317.284732] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  317.284737] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  317.285153] [drm:intel_update_fbc], no output, disabling
>[  317.285161] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  317.285165] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  317.285171] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  317.285175] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  317.285491] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  317.336828] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.336835] [drm:ironlake_update_plane], Writing base 0405B000 00000000 0 0 2560
>[  317.388864] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.388870] [drm:intel_update_fbc], no output, disabling
>[  317.388876] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  317.388883] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  317.388888] [drm:ironlake_check_srwm], watermark 1: display plane 10, fbc lines 3, cursor 6
>[  317.388892] [drm:ironlake_check_srwm], watermark 2: display plane 29, fbc lines 3, cursor 6
>[  317.440896] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.492928] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.493244] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  317.493247] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  317.493406] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  317.493409] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  317.493411] [drm:ironlake_fdi_link_train], FDI train done
>[  317.493414] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  317.493419] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  317.494649] [drm:intel_update_fbc], fbc set to per-chip default
>[  317.494651] [drm:intel_update_fbc], fbc disabled per module param
>[  317.495106] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  317.495895] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  317.496621] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  317.497344] [drm:intel_dp_start_link_train], clock recovery OK
>[  317.497347] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  317.498453] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  317.499557] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  317.500644] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  317.501676] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  317.502702] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  317.520918] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  317.520930] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  317.520936] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  317.520941] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  317.520946] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  317.520951] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  317.520957] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  317.520962] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  317.520967] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  317.520972] [drm:intel_modeset_check_state], [CRTC:3]
>[  317.520977] [drm:intel_modeset_check_state], [CRTC:5]
>[  317.520995] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  317.521499] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  317.521827] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  317.521830] [drm:intel_crt_detect], CRT not detected via hotplug
>[  317.521988] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  317.521992] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  317.521994] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  317.521996] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  317.522349] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  317.522351] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  317.522353] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  317.522355] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  317.529945] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  317.529950] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  317.530272] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  317.531439] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  317.564905] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  317.564909] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  317.565065] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  317.565068] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  317.565071] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  317.565231] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  317.565233] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  317.565235] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  317.565239] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  317.565243] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  322.592829] [drm:drm_mode_addfb], [FB:60]
>[  322.592889] [drm:drm_mode_setcrtc], [CRTC:3]
>[  322.592898] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  322.592903] [drm:intel_crtc_set_config], [CRTC:3] [FB:60] #connectors=1 (x y) (0 0)
>[  322.592910] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  322.592914] [drm:drm_mode_debug_printmodeline], Modeline 60:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  322.592924] [drm:drm_mode_debug_printmodeline], Modeline 61:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  322.592934] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  322.592940] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  322.592944] [drm:drm_mode_debug_printmodeline], Modeline 61:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  322.592955] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 28320KHz
>[  322.592964] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 24
>[  322.592970] [drm:intel_dp_compute_config], DP link bw required 67968 available 129600
>[  322.592975] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  322.592980] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  322.592985] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  322.593233] [drm:intel_dp_link_down], 
>[  322.660106] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  322.762144] ------------[ cut here ]------------
>[  322.764186] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  322.768275] Hardware name: 25222AU
>[  322.772355] pipe_off wait timed out
>[  322.776405] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  322.790227] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  322.794922] Call Trace:
>[  322.799571]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  322.804296]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  322.809061]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  322.813840]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  322.818661]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  322.823467]  [<f8426def>] ? __intel_set_mode+0x4fe/0x979 [i915]
>[  322.828288]  [<f8426e69>] ? __intel_set_mode+0x578/0x979 [i915]
>[  322.832989]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  322.837616]  [<f8067033>] ? drm_mode_debug_printmodeline+0x44/0x48 [drm]
>[  322.842286]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  322.846814]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  322.851196]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  322.855447]  [<f8065319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  322.859593]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  322.863637]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  322.867654]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  322.871682]  [<f8064fdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  322.875688]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  322.879690]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  322.883645]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  322.887607]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  322.891584]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  322.895565]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  322.899503]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  322.903443]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  322.907364] ---[ end trace 2a5227b49641a1e9 ]---
>[  322.913200] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  322.913206] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  322.913622] [drm:intel_update_fbc], no output, disabling
>[  322.913630] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  322.913633] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  322.913640] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  322.913643] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  322.913960] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  322.965297] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  322.965305] [drm:ironlake_update_plane], Writing base 04187000 00000000 0 0 2880
>[  323.017329] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  323.017334] [drm:intel_update_fbc], no output, disabling
>[  323.017341] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x400]
>[  323.017347] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  323.017352] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  323.017356] [drm:ironlake_check_srwm], watermark 2: display plane 33, fbc lines 3, cursor 6
>[  323.069364] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  323.121393] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  323.121709] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  323.121712] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  323.121871] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  323.121874] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  323.121876] [drm:ironlake_fdi_link_train], FDI train done
>[  323.121878] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  323.121884] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  323.123113] [drm:intel_update_fbc], fbc set to per-chip default
>[  323.123116] [drm:intel_update_fbc], fbc disabled per module param
>[  323.123566] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  323.124355] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  323.125081] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  323.125806] [drm:intel_dp_start_link_train], clock recovery OK
>[  323.125809] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  323.126952] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  323.128038] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  323.129061] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  323.130096] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  323.131121] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  323.146357] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  323.146370] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  323.146377] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  323.146383] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  323.146389] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  323.146395] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  323.146402] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  323.146408] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  323.146414] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  323.146420] [drm:intel_modeset_check_state], [CRTC:3]
>[  323.146426] [drm:intel_modeset_check_state], [CRTC:5]
>[  323.146441] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  323.146942] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  323.147268] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  323.147271] [drm:intel_crt_detect], CRT not detected via hotplug
>[  323.147430] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  323.147432] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  323.147434] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  323.147436] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  323.147790] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  323.147792] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  323.147794] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  323.147796] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  323.155406] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  323.155409] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  323.155720] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  323.157026] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  323.190486] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  323.190490] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  323.190652] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  323.190654] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  323.190656] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  323.190820] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  323.190823] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  323.190825] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  323.190830] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  323.190834] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  328.149656] [drm:intel_crtc_set_config], [CRTC:3] [NOFB]
>[  328.149663] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [NOCRTC]
>[  328.149666] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  328.149669] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  328.149673] [drm:__intel_set_mode], set mode pipe masks: modeset: 0, prepare: 0, disable: 1
>[  328.149893] [drm:intel_dp_link_down], 
>[  328.210458] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.312601] ------------[ cut here ]------------
>[  328.316545] WARNING: at drivers/gpu/drm/i915/intel_display.c:979 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  328.320685] Hardware name: 25222AU
>[  328.324791] pipe_off wait timed out
>[  328.328935] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp kvm snd_hda_codec_hdmi microcode pcspkr snd_hda_codec_conexant joydev i2c_i801 lpc_ich mfd_core firewire_ohci snd_hda_intel firewire_core snd_hda_codec crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer thinkpad_acpi snd tpm_tis soundcore tpm tpm_bios battery rfkill ac wmi i915 video button drm_kms_helper drm mperf freq_table
>[  328.342758] Pid: 3884, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_4ab815_20130415_+ #726
>[  328.347482] Call Trace:
>[  328.352172]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  328.356926]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  328.361706]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  328.366513]  [<f8424eee>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  328.371403]  [<f84256b1>] ? ironlake_crtc_disable+0xaa/0x6ef [i915]
>[  328.376261]  [<f805eb04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  328.381116]  [<f8426842>] ? intel_crtc_disable+0x31/0xe0 [i915]
>[  328.385887]  [<f8426e2b>] ? __intel_set_mode+0x53a/0x979 [i915]
>[  328.390571]  [<f842c1b3>] ? intel_set_mode+0x11/0x25 [i915]
>[  328.395277]  [<f842c698>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  328.399865]  [<f80628b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  328.404321]  [<f80630ab>] ? drm_framebuffer_remove+0x6d/0xff [drm]
>[  328.408641]  [<f8065b5b>] ? drm_mode_rmfb+0xaa/0xc9 [drm]
>[  328.412834]  [<f8065ab1>] ? drm_mode_addfb2+0x519/0x519 [drm]
>[  328.416924]  [<f805ac2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  328.421002]  [<f8065ab1>] ? drm_mode_addfb2+0x519/0x519 [drm]
>[  328.425054]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  328.429090]  [<c023a1a6>] ? enqueue_hrtimer+0x10/0x2e
>[  328.433105]  [<c023a9d7>] ? __hrtimer_start_range_ns+0x255/0x26c
>[  328.437125]  [<c023a4bd>] ? lock_hrtimer_base.isra.25+0x14/0x2d
>[  328.441146]  [<f805aa11>] ? drm_copy_field+0x47/0x47 [drm]
>[  328.445197]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  328.449230]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  328.453262]  [<c023af3a>] ? hrtimer_nanosleep+0x69/0xcc
>[  328.457271]  [<c023a24f>] ? update_rmtp+0x5e/0x5e
>[  328.461266]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  328.465227]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  328.469194] ---[ end trace 2a5227b49641a1ea ]---
>[  328.474628] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  328.474634] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  328.475050] [drm:intel_update_fbc], no output, disabling
>[  328.475069] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  328.475075] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  328.475080] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  328.475086] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  328.475091] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  328.475096] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  328.475102] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  328.475107] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  328.475112] [drm:intel_modeset_check_state], [CRTC:3]
>[  328.475115] [drm:intel_modeset_check_state], [CRTC:5]
>[  328.475126] [drm:drm_mode_setcrtc], [CRTC:3]
>[  328.475128] [drm:drm_mode_setcrtc], Count connectors is 1 but no mode or fb set
>[  328.475137] [drm:drm_mode_getconnector], [CONNECTOR:23:?]
>[  328.475141] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2]
>[  328.475426] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  328.475432] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  328.475437] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2] disconnected
>[  328.475445] [drm:drm_mode_getconnector], [CONNECTOR:23:?]
>[  328.475449] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2]
>[  328.475633] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  328.475651] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  328.475665] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2] disconnected
>[  328.475687] [drm:drm_mode_getconnector], [CONNECTOR:25:?]
>[  328.475691] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3]
>[  328.475850] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  328.475853] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  328.475855] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3] disconnected
>[  328.475858] [drm:drm_mode_getconnector], [CONNECTOR:25:?]
>[  328.475860] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3]
>[  328.476064] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  328.476070] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  328.476074] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3] disconnected
>[  328.476085] [drm:drm_mode_getconnector], [CONNECTOR:27:?]
>[  328.476088] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2]
>[  328.476094] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2] disconnected
>[  328.476098] [drm:drm_mode_getconnector], [CONNECTOR:27:?]
>[  328.476101] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2]
>[  328.476106] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2] disconnected
>[  328.476111] [drm:drm_mode_getconnector], [CONNECTOR:29:?]
>[  328.476115] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3]
>[  328.476119] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3] disconnected
>[  328.476124] [drm:drm_mode_getconnector], [CONNECTOR:29:?]
>[  328.476129] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3]
>[  328.476133] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3] disconnected
>[  328.529737] [drm:intel_crtc_set_config], [CRTC:3] [FB:46] #connectors=1 (x y) (0 0)
>[  328.529744] [drm:intel_set_config_compute_mode_changes], crtc has no fb, full mode set
>[  328.529748] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  328.529751] [drm:drm_mode_debug_printmodeline], Modeline 61:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  328.529758] [drm:drm_mode_debug_printmodeline], Modeline 44:"1280x800" 60 69300 1280 1328 1360 1404 800 803 809 822 0x48 0xa
>[  328.529764] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  328.529768] [drm:intel_modeset_stage_output_state], [CONNECTOR:7:LVDS-1] to [CRTC:3]
>[  328.529772] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  328.529776] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  328.529779] [drm:drm_mode_debug_printmodeline], Modeline 44:"1280x800" 60 69300 1280 1328 1360 1404 800 803 809 822 0x48 0xa
>[  328.529789] [drm:intel_lvds_compute_config], forcing display bpp (was 24) to LVDS (18)
>[  328.529794] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  328.529797] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  328.529800] [drm:__intel_set_mode], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  328.529807] [drm:ironlake_get_refclk], using SSC reference clock of 120 MHz
>[  328.529848] [drm:ironlake_crtc_mode_set], Mode for pipe 0:
>[  328.529851] [drm:drm_mode_debug_printmodeline], Modeline 0:"1280x800" 60 69300 1280 1328 1360 1404 800 803 809 822 0x48 0xa
>[  328.529858] [drm:intel_get_pch_pll], CRTC:3 using pre-allocated PCH PLL c6014
>[  328.529861] [drm:intel_get_pch_pll], using pll 0 for pipe 0
>[  328.529864] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  328.530182] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 0, lanes 1
>[  328.581759] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.581766] [drm:ironlake_update_plane], Writing base 00047000 00000000 0 0 7680
>[  328.581773] [drm:intel_update_fbc], no output, disabling
>[  328.581778] [drm:intel_crtc_mode_set], [ENCODER:8:LVDS-8] set [MODE:0:1280x800]
>[  328.581783] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  328.581787] [drm:ironlake_check_srwm], watermark 1: display plane 24, fbc lines 3, cursor 6
>[  328.581792] [drm:ironlake_check_srwm], watermark 2: display plane 76, fbc lines 3, cursor 6
>[  328.633793] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.685826] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.686143] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  328.686146] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  328.686304] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  328.686307] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  328.686309] [drm:ironlake_fdi_link_train], FDI train done
>[  328.686312] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  328.686317] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  328.687546] [drm:intel_update_fbc], fbc set to per-chip default
>[  328.687548] [drm:intel_update_fbc], fbc disabled per module param
>[  328.688762] [drm:intel_panel_actually_set_backlight], set backlight PWM = 52
>[  328.704835] [drm:intel_connector_check_state], [CONNECTOR:7:LVDS-1]
>[  328.704850] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  328.704856] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  328.704860] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  328.704865] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  328.704869] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  328.704874] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  328.704879] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  328.704883] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  328.704887] [drm:intel_modeset_check_state], [CRTC:3]
>[  328.704892] [drm:intel_modeset_check_state], [CRTC:5]
>[  328.704896] [drm:intel_crtc_set_config], [CRTC:5] [FB:46] #connectors=1 (x y) (0 0)
>[  328.704900] [drm:intel_set_config_compute_mode_changes], crtc has no fb, full mode set
>[  328.704903] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  328.704906] [drm:intel_modeset_stage_output_state], [CONNECTOR:7:LVDS-1] to [CRTC:3]
>[  328.704910] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  328.704913] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  328.704916] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  328.704919] [drm:drm_mode_debug_printmodeline], Modeline 45:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  328.704926] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 06 pixel clock 154000KHz
>[  328.704933] [drm:intel_dp_compute_config], DP link bw 06 lane count 4 clock 162000 bpp 24
>[  328.704936] [drm:intel_dp_compute_config], DP link bw required 369600 available 518400
>[  328.704940] [drm:intel_modeset_pipe_config], [CRTC:5]
>[  328.704942] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  328.704945] [drm:__intel_set_mode], set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[  328.704952] [drm:ironlake_crtc_mode_set], Mode for pipe 1:
>[  328.704955] [drm:drm_mode_debug_printmodeline], Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  328.704960] [drm:intel_get_pch_pll], CRTC:5 using pre-allocated PCH PLL c6018
>[  328.704963] [drm:intel_get_pch_pll], using pll 1 for pipe 1
>[  328.704966] [drm:intel_get_pch_pll], switching PLL c6018 off
>[  328.705281] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe 1, lanes 2
>[  328.756865] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.756873] [drm:ironlake_update_plane], Writing base 00047000 00000000 0 0 7680
>[  328.756880] [drm:intel_update_fbc], fbc set to per-chip default
>[  328.756882] [drm:intel_update_fbc], fbc disabled per module param
>[  328.756886] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  328.756891] [drm:ironlake_check_srwm], watermark 1: display plane 24, fbc lines 3, cursor 6
>[  328.756895] [drm:ironlake_check_srwm], watermark 2: display plane 76, fbc lines 3, cursor 6
>[  328.756901] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1920x1200]
>[  328.756907] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  328.756910] [drm:ironlake_update_wm], FIFO watermarks For pipe B - plane 9, cursor: 6
>[  328.808902] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.860934] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.861250] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  328.861251] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  328.861408] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x600
>[  328.861409] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  328.861411] [drm:ironlake_fdi_link_train], FDI train done
>[  328.861412] [drm:ironlake_enable_pch_pll], enable PCH PLL c6018 (active 0, on? 0)for crtc 5
>[  328.861416] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6018
>[  328.862640] [drm:intel_update_fbc], more than one pipe active, disabling compression
>[  328.863132] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  328.863924] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  328.864655] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  328.865384] [drm:intel_dp_start_link_train], clock recovery OK
>[  328.865387] [drm:intel_dp_set_signal_levels], Using signal levels 02800000
>[  328.866494] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  328.867521] [drm:intel_dp_set_signal_levels], Using signal levels 00400000
>[  328.868602] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  328.869633] [drm:intel_dp_set_signal_levels], Using signal levels 00800000
>[  328.870662] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  328.887918] [drm:intel_connector_check_state], [CONNECTOR:7:LVDS-1]
>[  328.887929] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  328.887940] [drm:intel_modeset_check_state], [ENCODER:8:LVDS-8]
>[  328.887946] [drm:intel_modeset_check_state], [ENCODER:15:DAC-15]
>[  328.887951] [drm:intel_modeset_check_state], [ENCODER:16:TMDS-16]
>[  328.887956] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  328.887962] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  328.887967] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  328.887972] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  328.887977] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  328.887982] [drm:intel_modeset_check_state], [CRTC:3]
>[  328.887987] [drm:intel_modeset_check_state], [CRTC:5]
>[  328.888004] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  328.888507] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  328.888832] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  328.888834] [drm:intel_crt_detect], CRT not detected via hotplug
>[  328.889018] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  328.889028] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  328.889033] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  328.889038] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  328.889404] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  328.889409] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  328.889413] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  328.889418] [drm:drm_helper_hpd_irq_event], [CONNECTOR:14:VGA-1] status updated from 2 to 2
>[  328.896948] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpb
>[  328.896951] [drm:drm_helper_hpd_irq_event], [CONNECTOR:17:HDMI-A-1] status updated from 2 to 2
>[  328.897241] [drm:intel_dp_get_dpcd], DPCD: 11 06 84 00 00 00 00 00 00 00 00 00 00 00 00
>[  328.898406] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  328.931860] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2
>[  328.931864] [drm:drm_helper_hpd_irq_event], [CONNECTOR:21:DP-1] status updated from 1 to 1
>[  328.932033] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  328.932039] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  328.932043] [drm:drm_helper_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  328.932218] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  328.932228] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  328.932233] [drm:drm_helper_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  328.932241] [drm:drm_helper_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  328.932249] [drm:drm_helper_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2

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Attachments on bug 63453: 77844 | 77974

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