Ok, so I now fiddled a little bit with the patched kernel and the i2c utilities. In fact, I do get "something like a picture" on this machine. By which I mean that the image is ripped apart, the borders aren't set correctly, but the LVDS is at least detected and the screen is not totally blank. Playing with the i2c utilities showed that on this Fujitsu Siemens the ns2501 (and yes, it really is one) is on chip address 0x38 on bus number 6. I played with i2cset here and there and could disable and enable the screen with register #8, bit #0, but I do not get a usable screen. I do not know enough about DVO chips to be of much help as far as the programming is concerned. What else can be done from here that would help you? I get the following from /var/log/messages: [ 7.272103] [drm:intel_opregion_setup], graphic opregion physical addr: 0x0 [ 7.272113] [drm:intel_opregion_setup], ACPI OpRegion not supported! [ 7.272140] [drm:i915_init_phys_hws], Enabled hardware status page [ 7.272156] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 7.272162] [drm] Driver supports precise vblank timestamp query. [ 7.272176] [drm:init_vbt_defaults], Set default to SSC at 66MHz [ 7.272414] [drm:parse_general_features], BDB_GENERAL_FEATURES int_tv_support 1 int_crt_support 0 lvds_use_ssc 0 lvds_ssc_freq 48 display_clock_mode 0 [ 7.272430] [drm:parse_general_definitions], crt_ddc_bus_pin: 2 [ 7.272441] [drm:parse_sdvo_device_mapping], different child size is found. Invalid. [ 7.272450] [drm:parse_device_mapping], different child size is found. Invalid. [ 7.272476] [drm:intel_dsm_pci_probe], no _DSM method for intel device [ 7.272516] [drm:intel_modeset_init], 2 display pipes available. [ 7.272539] [drm:intel_modeset_init], plane 0 init failed: -19 [ 7.272555] [drm:intel_modeset_init], plane 1 init failed: -19 [ 7.272570] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 7.272899] device: 'card0-VGA-1': device_add [ 7.272935] PM: Adding info for No Bus:card0-VGA-1 [ 7.274750] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.274763] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.275659] [drm:sil164_init], sil164 not detected got 5: from i915 gmbus dpb Slave 56. [ 7.275676] i2c i2c-6: master_xfer[0] W, addr=0x76, len=1 [ 7.275686] i2c i2c-6: master_xfer[1] R, addr=0x76, len=1 [ 7.275921] i2c i2c-6: NAK from device addr 0x76 msg #0 [ 7.275961] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.275970] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.276900] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.276911] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.291048] [drm:ns2501_init], init ns2501 dvo controller successfully! [ 7.291088] device: 'card0-DVI-I-1': device_add [ 7.291138] PM: Adding info for No Bus:card0-DVI-I-1 [ 7.295247] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.295260] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.296382] [drm:i915_get_vblank_timestamp], crtc 0 is disabled [ 7.301363] [drm:intel_update_fbc], [ 7.301375] [drm:i915_get_vblank_timestamp], crtc 1 is disabled [ 7.306349] [drm:intel_update_fbc], [ 7.311054] [drm] initialized overlay support [ 7.311268] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.311279] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.311520] i2c i2c-6: NAK from device addr 0x38 msg #0 [ 7.311556] [drm:ns2501_readb], Unable to read register 0x08 from i915 gmbus dpb:38. [ 7.311579] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] [ 7.311594] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 7.311604] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 7.311843] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 7.311882] [drm:intel_get_load_detect_pipe], [CONNECTOR:5:VGA-1], [ENCODER:6:DAC-6] [ 7.311893] [drm:intel_get_load_detect_pipe], creating tmp fb for load-detection [ 7.311930] [drm:drm_crtc_helper_set_mode], [CRTC:3] [ 7.311944] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.311954] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.312229] i2c i2c-6: NAK from device addr 0x38 msg #0 [ 7.312265] [drm:ns2501_readb], Unable to read register 0x08 from i915 gmbus dpb:38. [ 7.319657] [drm:i9xx_crtc_mode_set], Mode for pipe A: [ 7.319667] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 0 31500 640 664 704 832 480 489 491 520 0x10 0xa [ 7.352750] [drm:i9xx_update_plane], Writing base 00020000 00000000 0 0 2560 [ 7.352771] [drm:intel_update_fbc], [ 7.352781] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 7.352792] [drm:intel_calculate_wm], FIFO entries required for mode: 20 [ 7.352800] [drm:intel_calculate_wm], FIFO watermark level: 25 [ 7.352809] [drm:i830_update_wm], Setting FIFO watermarks - A: 25 [ 7.352823] [drm:drm_crtc_helper_set_mode], [ENCODER:6:DAC-6] set [MODE:0:640x480] [ 7.352836] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 7.352845] [drm:intel_calculate_wm], FIFO entries required for mode: 20 [ 7.352853] [drm:intel_calculate_wm], FIFO watermark level: 25 [ 7.352861] [drm:i830_update_wm], Setting FIFO watermarks - A: 25 [ 7.353407] [drm:intel_update_fbc], [ 7.368057] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 7.368070] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 7.368317] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 7.368354] [drm:intel_crt_load_detect], starting load-detect on CRT [ 7.375100] [drm:intel_release_load_detect_pipe], [CONNECTOR:5:VGA-1], [ENCODER:6:DAC-6] [ 7.375120] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.375130] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.379836] i2c i2c-6: NAK from device addr 0x38 msg #0 [ 7.379878] [drm:ns2501_readb], Unable to read register 0x08 from i915 gmbus dpb:38. [ 7.379901] [drm:i915_get_vblank_timestamp], crtc 0 is disabled [ 7.397006] [drm:intel_update_fbc], [ 7.401475] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] disconnected [ 7.401495] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] [ 7.401515] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.401525] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.401766] i2c i2c-6: NAK from device addr 0x38 msg #0 [ 7.401802] [drm:ns2501_readb], Unable to read register 0x09 from i915 gmbus dpb:38. [ 7.401819] i2c i2c-5: master_xfer[0] W, addr=0x50, len=1 [ 7.401829] i2c i2c-5: master_xfer[1] R, addr=0x50, len=1 [ 7.402063] i2c i2c-5: NAK from device addr 0x50 msg #0 [ 7.402098] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc [ 7.402137] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] probed modes : [ 7.402150] [drm:drm_mode_debug_printmodeline], Modeline 13:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x400xa [ 7.402168] [drm:drm_mode_debug_printmodeline], Modeline 11:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 7.402186] [drm:drm_mode_debug_printmodeline], Modeline 10:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5 [ 7.402203] [drm:drm_mode_debug_printmodeline], Modeline 12:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5 [ 7.402220] [drm:drm_mode_debug_printmodeline], Modeline 9:"640x480" 60 25175 640 656 752 800 480 489 492 525 0x40 0xa [ 7.402237] [drm:drm_setup_crtcs], [ 7.402245] [drm:drm_enable_connectors], connector 5 enabled? no [ 7.402254] [drm:drm_enable_connectors], connector 8 enabled? yes [ 7.402262] [drm:drm_target_preferred], looking for cmdline mode on connector 8 [ 7.402272] [drm:drm_target_preferred], looking for preferred mode on connector 8 [ 7.402281] [drm:drm_target_preferred], found mode 1024x768 [ 7.402289] [drm:drm_setup_crtcs], picking CRTCs for 2048x2048 config [ 7.402302] [drm:drm_setup_crtcs], desired mode 1024x768 set on crtc 3 [ 7.413512] [drm:intelfb_create], allocated 1024x768 fb: 0x00020000, bo f6b1e200 [ 7.413549] device: 'fb0': device_add [ 7.413685] PM: Adding info for No Bus:fb0 [ 7.413950] fbcon: inteldrmfb (fb0) is primary device [ 7.413985] device: 'vtcon1': device_add [ 7.414018] PM: Adding info for No Bus:vtcon1 [ 7.415526] [drm:drm_crtc_helper_set_config], [ 7.415534] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:15] #connectors=1 (x y) (0 0) [ 7.415555] [drm:drm_crtc_helper_set_config], crtc has no fb, full mode set [ 7.415564] [drm:drm_crtc_helper_set_config], modes are different, full mode set [ 7.415572] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 0 31500 640 664 704 832 480 489 491 520 0x10 0xa [ 7.415588] [drm:drm_mode_debug_printmodeline], Modeline 14:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 7.415605] [drm:drm_crtc_helper_set_config], encoder changed, full mode switch [ 7.415613] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch [ 7.415621] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] to [CRTC:3] [ 7.415631] [drm:drm_crtc_helper_set_config], attempting to set mode from userspace [ 7.415638] [drm:drm_mode_debug_printmodeline], Modeline 14:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 7.415662] [drm:drm_crtc_helper_set_mode], [CRTC:3] [ 7.415679] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.415688] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.415929] i2c i2c-6: NAK from device addr 0x38 msg #0 [ 7.415964] [drm:ns2501_readb], Unable to read register 0x08 from i915 gmbus dpb:38. [ 7.423353] [drm:i9xx_crtc_mode_set], Mode for pipe A: [ 7.423361] [drm:drm_mode_debug_printmodeline], Modeline 14:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 7.460089] [drm:i9xx_update_plane], Writing base 00020000 00000000 0 0 4096 [ 7.460106] [drm:intel_update_fbc], [ 7.460116] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 7.460126] [drm:intel_calculate_wm], FIFO entries required for mode: 41 [ 7.460134] [drm:intel_calculate_wm], FIFO watermark level: 4 [ 7.460141] [drm:i830_update_wm], Setting FIFO watermarks - A: 4 [ 7.460156] [drm:drm_crtc_helper_set_mode], [ENCODER:7:None-7] set [MODE:14:1024x768] [ 7.460170] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 7.460178] [drm:intel_calculate_wm], FIFO entries required for mode: 41 [ 7.460186] [drm:intel_calculate_wm], FIFO watermark level: 4 [ 7.460193] [drm:i830_update_wm], Setting FIFO watermarks - A: 4 [ 7.460707] [drm:intel_update_fbc], [ 7.460728] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 7.460737] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 7.461643] [drm:drm_crtc_helper_set_config], Setting connector DPMS state to on [ 7.461653] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] set DPMS on [ 7.461673] [drm:drm_crtc_helper_set_config], [ 7.461680] [drm:drm_crtc_helper_set_config], [CRTC:4] [NOFB] [ 7.461924] [drm:drm_crtc_helper_set_config], [ 7.461931] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:15] #connectors=1 (x y) (0 0) [ 7.461958] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] to [CRTC:3] [ 7.474205] Console: switching to colour frame buffer device 128x48 [ 7.474225] [drm:drm_crtc_helper_set_config], [ 7.474231] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:15] #connectors=1 (x y) (0 0) [ 7.474249] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] to [CRTC:3] [ 7.486708] fb0: inteldrmfb frame buffer device [ 7.486715] drm: registered panic notifier [ 7.490839] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 [ 7.490858] driver: '0000:00:02.0': driver_bound: bound to device 'i915' [ 7.490889] bus: 'pci': really_probe: bound device 0000:00:02.0 to driver i915 [ 7.490906] bus: 'pci': driver_probe_device: matched device 0000:00:02.1 with driver i915 [ 7.490917] bus: 'pci': really_probe: probing driver i915 with device 0000:00:02.1 [ 7.490952] i915: probe of 0000:00:02.1 rejects match -19 [ 17.504401] [drm:output_poll_execute], [CONNECTOR:5:VGA-1] status updated from 2 to 2 [ 18.689376] uhci_hcd 0000:00:1d.0: reserve dev 2 ep81-INT, period 8, phase 4, 93 us [ 18.690873] uhci_hcd 0000:00:1d.0: release dev 2 ep81-INT, period 8, phase 4, 93 us [ 18.690910] [drm:i915_driver_irq_handler], pipe A underrun [ 18.690919] [drm:i915_driver_irq_handler], pipe B underrun [ 24.166706] [drm:drm_crtc_helper_set_config], [ 24.166720] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:15] #connectors=1 (x y) (0 0) [ 24.166754] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] to [CRTC:3] [ 24.185194] [drm:i915_driver_open], [ 24.185352] [drm:drm_crtc_helper_set_config], [ 24.185362] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:15] #connectors=1 (x y) (0 0) [ 24.185394] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] to [CRTC:3] [ 24.185405] [drm:drm_crtc_helper_set_config], [ 24.185411] [drm:drm_crtc_helper_set_config], [CRTC:4] [NOFB] [ 24.185536] [drm:i915_driver_open], [ 24.186516] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[2] ENCODERS[2] [ 24.186534] [drm:drm_mode_getresources], CRTC[2] CONNECTORS[2] ENCODERS[2] [ 24.186711] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 24.186724] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] [ 24.186744] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 24.186754] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 24.187002] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 24.187041] [drm:intel_get_load_detect_pipe], [CONNECTOR:5:VGA-1], [ENCODER:6:DAC-6] [ 24.187054] [drm:intel_get_load_detect_pipe], reusing fbdev for load-detection framebuffer [ 24.187070] [drm:drm_crtc_helper_set_mode], [CRTC:4] [ 24.194578] [drm:i9xx_crtc_mode_set], Mode for pipe B: [ 24.194589] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 0 31500 640 664 704 832 480 489 491 520 0x10 0xa [ 24.208140] [drm:i915_driver_irq_handler], pipe B underrun [ 24.224077] [drm:i9xx_update_plane], Writing base 00020000 00000000 0 0 4096 [ 24.224097] [drm:intel_update_fbc], [ 24.224113] [drm:drm_crtc_helper_set_mode], [ENCODER:6:DAC-6] set [MODE:0:640x480] [ 24.224664] [drm:intel_update_fbc], [ 24.240067] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 24.240079] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 24.240327] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 24.240366] [drm:intel_crt_load_detect], starting load-detect on CRT [ 24.250023] [drm:intel_release_load_detect_pipe], [CONNECTOR:5:VGA-1], [ENCODER:6:DAC-6] [ 24.251717] [drm:i915_get_vblank_timestamp], crtc 1 is disabled [ 24.269044] [drm:intel_update_fbc], [ 24.269061] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 24.269072] [drm:intel_calculate_wm], FIFO entries required for mode: 41 [ 24.269081] [drm:intel_calculate_wm], FIFO watermark level: 4 [ 24.269090] [drm:i830_update_wm], Setting FIFO watermarks - A: 4 [ 24.269121] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 24.269131] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 24.269380] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 24.269417] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga [ 24.269459] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] probed modes : [ 24.269472] [drm:drm_mode_debug_printmodeline], Modeline 20:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 24.269490] [drm:drm_mode_debug_printmodeline], Modeline 18:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 24.269507] [drm:drm_mode_debug_printmodeline], Modeline 17:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5 [ 24.269524] [drm:drm_mode_debug_printmodeline], Modeline 19:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5 [ 24.269541] [drm:drm_mode_debug_printmodeline], Modeline 16:"640x480" 60 25175 640 656 752 800 480 489 492 525 0x40 0xa [ 24.269585] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 24.269909] [drm:drm_mode_getconnector], [CONNECTOR:8:?] [ 24.269921] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] [ 24.269937] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 24.269947] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 24.270838] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] disconnected [ 24.270850] [drm:drm_mode_debug_printmodeline], Modeline 13:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 24.270868] [drm:drm_mode_prune_invalid], Not using 1024x768 mode -3 [ 24.270880] [drm:drm_mode_debug_printmodeline], Modeline 11:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 24.270896] [drm:drm_mode_prune_invalid], Not using 800x600 mode -3 [ 24.270906] [drm:drm_mode_debug_printmodeline], Modeline 10:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5 [ 24.270922] [drm:drm_mode_prune_invalid], Not using 800x600 mode -3 [ 24.270931] [drm:drm_mode_debug_printmodeline], Modeline 12:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5 [ 24.270948] [drm:drm_mode_prune_invalid], Not using 848x480 mode -3 [ 24.270957] [drm:drm_mode_debug_printmodeline], Modeline 9:"640x480" 60 25175 640 656 752 800 480 489 492 525 0x40 0xa [ 24.270973] [drm:drm_mode_prune_invalid], Not using 640x480 mode -3 [ 24.270987] [drm:drm_mode_getconnector], [CONNECTOR:8:?] [ 24.270997] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] [ 24.271011] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 24.271021] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 24.271908] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] disconnected [ 24.275869] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 24.275881] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] [ 24.275898] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 24.275908] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 24.276179] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 24.276219] [drm:intel_get_load_detect_pipe], [CONNECTOR:5:VGA-1], [ENCODER:6:DAC-6] [ 24.276232] [drm:intel_get_load_detect_pipe], reusing fbdev for load-detection framebuffer [ 24.276252] [drm:drm_crtc_helper_set_mode], [CRTC:4] [ 24.283688] [drm:i9xx_crtc_mode_set], Mode for pipe B: [ 24.283698] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 0 31500 640 664 704 832 480 489 491 520 0x10 0xa [ 24.332074] [drm:i9xx_update_plane], Writing base 00020000 00000000 0 0 4096 [ 24.332100] [drm:intel_update_fbc], [ 24.332118] [drm:drm_crtc_helper_set_mode], [ENCODER:6:DAC-6] set [MODE:0:640x480] [ 24.332670] [drm:intel_update_fbc], [ 24.340060] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 24.340071] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 24.340322] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 24.340361] [drm:intel_crt_load_detect], starting load-detect on CRT [ 24.352884] [drm:intel_release_load_detect_pipe], [CONNECTOR:5:VGA-1], [ENCODER:6:DAC-6] [ 24.352905] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 24.352915] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 24.354530] [drm:i915_get_vblank_timestamp], crtc 0 is disabled [ 24.377007] [drm:intel_update_fbc], [ 24.377022] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 24.377034] [drm:intel_calculate_wm], FIFO entries required for mode: 20 [ 24.377043] [drm:intel_calculate_wm], FIFO watermark level: 25 [ 24.377051] [drm:i830_update_wm], Setting FIFO watermarks - A: 25 [ 24.380202] [drm:i915_get_vblank_timestamp], crtc 1 is disabled [ 24.388050] ------------[ cut here ]------------ [ 24.388120] WARNING: at drivers/gpu/drm/i915/intel_display.c:994 intel_disable_pipe+0x109/0x140 [i915]() [ 24.388129] Hardware name: LIFEBOOK S Series [ 24.388135] plane B assertion failure, should be off on pipe B but is still active [ 24.388142] Modules linked in: binfmt_misc fuse loop firewire_sbp2 i915 snd_intel8x0 snd_ac97_codec drm_kms_helper drm ac97_bus snd_pcm psmouse pcmcia snd_seq acpi_cpufreq yenta_socket snd_timer snd_seq_device snd microcode apanel pcspkr pcmcia_rsrc input_polldev evdev mperf i2c_algo_bit video processor fujitsu_laptop thermal_sys i2c_i801 i2c_core rng_core soundcore snd_page_alloc pcmcia_core shpchp led_class serio_raw pci_hotplug battery button ac ext3 jbd mbcache usbhid hid sg sr_mod sd_mod cdrom ata_generic ata_piix firewire_ohci uhci_hcd libata 8139too 8139cp scsi_mod usbcore firewire_core crc_itu_t mii usb_common [last unloaded: scsi_wait_scan] [ 24.388273] Pid: 984, comm: Xorg Not tainted 3.4.0 #3 [ 24.388280] Call Trace: [ 24.388299] [] warn_slowpath_common+0x6d/0xa0 [ 24.388329] [] ? intel_disable_pipe+0x109/0x140 [i915] [ 24.388358] [] ? intel_disable_pipe+0x109/0x140 [i915] [ 24.388369] [] warn_slowpath_fmt+0x2e/0x30 [ 24.388398] [] intel_disable_pipe+0x109/0x140 [i915] [ 24.388429] [] i9xx_crtc_disable+0x91/0x120 [i915] [ 24.388458] [] i9xx_crtc_dpms+0x2d/0x40 [i915] [ 24.388487] [] intel_crtc_dpms+0x40/0x130 [i915] [ 24.388516] [] intel_crtc_disable+0x48/0xa0 [i915] [ 24.388532] [] drm_helper_disable_unused_functions+0xef/0x140 [drm_kms_helper] [ 24.388562] [] intel_release_load_detect_pipe+0xd0/0xf0 [i915] [ 24.388595] [] intel_crt_detect+0x2ab/0x6c0 [i915] [ 24.388610] [] drm_helper_probe_single_connector_modes+0x248/0x310 [drm_kms_helper] [ 24.388646] [] drm_mode_getconnector+0x2f7/0x350 [drm] [ 24.388665] [] ? get_page_from_freelist+0x262/0x500 [ 24.388686] [] drm_ioctl+0x282/0x550 [drm] [ 24.388708] [] ? drm_mode_getencoder+0xb0/0xb0 [drm] [ 24.388722] [] ? __switch_to+0x288/0x2b0 [ 24.388741] [] ? drm_version+0x90/0x90 [drm] [ 24.388756] [] do_vfs_ioctl+0x7e/0x570 [ 24.388769] [] ? vfs_write+0xfc/0x140 [ 24.388786] [] ? tomoyo_file_ioctl+0x12/0x20 [ 24.388796] [] sys_ioctl+0x6f/0x80 [ 24.388808] [] sysenter_do_call+0x12/0x26 [ 24.388817] ---[ end trace d244b8b3431a8a36 ]--- [ 24.393788] [drm:intel_update_fbc], [ 24.393797] ------------[ cut here ]------------ [ 24.393827] WARNING: at drivers/gpu/drm/i915/intel_display.c:963 assert_plane+0x70/0x80 [i915]() [ 24.393835] Hardware name: LIFEBOOK S Series [ 24.393842] plane B assertion failure (expected off, current on) [ 24.393847] Modules linked in: binfmt_misc fuse loop firewire_sbp2 i915 snd_intel8x0 snd_ac97_codec drm_kms_helper drm ac97_bus snd_pcm psmouse pcmcia snd_seq acpi_cpufreq yenta_socket snd_timer snd_seq_device snd microcode apanel pcspkr pcmcia_rsrc input_polldev evdev mperf i2c_algo_bit video processor fujitsu_laptop thermal_sys i2c_i801 i2c_core rng_core soundcore snd_page_alloc pcmcia_core shpchp led_class serio_raw pci_hotplug battery button ac ext3 jbd mbcache usbhid hid sg sr_mod sd_mod cdrom ata_generic ata_piix firewire_ohci uhci_hcd libata 8139too 8139cp scsi_mod usbcore firewire_core crc_itu_t mii usb_common [last unloaded: scsi_wait_scan] [ 24.393959] Pid: 984, comm: Xorg Tainted: G W 3.4.0 #3 [ 24.393966] Call Trace: [ 24.393976] [] warn_slowpath_common+0x6d/0xa0 [ 24.394006] [] ? assert_plane+0x70/0x80 [i915] [ 24.394034] [] ? assert_plane+0x70/0x80 [i915] [ 24.394045] [] warn_slowpath_fmt+0x2e/0x30 [ 24.394073] [] assert_plane+0x70/0x80 [i915] [ 24.394103] [] intel_crtc_disable+0x5b/0xa0 [i915] [ 24.394116] [] drm_helper_disable_unused_functions+0xef/0x140 [drm_kms_helper] [ 24.394146] [] intel_release_load_detect_pipe+0xd0/0xf0 [i915] [ 24.394177] [] intel_crt_detect+0x2ab/0x6c0 [i915] [ 24.394192] [] drm_helper_probe_single_connector_modes+0x248/0x310 [drm_kms_helper] [ 24.394216] [] drm_mode_getconnector+0x2f7/0x350 [drm] [ 24.394230] [] ? get_page_from_freelist+0x262/0x500 [ 24.394250] [] drm_ioctl+0x282/0x550 [drm] [ 24.394272] [] ? drm_mode_getencoder+0xb0/0xb0 [drm] [ 24.394284] [] ? __switch_to+0x288/0x2b0 [ 24.394303] [] ? drm_version+0x90/0x90 [drm] [ 24.394314] [] do_vfs_ioctl+0x7e/0x570 [ 24.394325] [] ? vfs_write+0xfc/0x140 [ 24.394336] [] ? tomoyo_file_ioctl+0x12/0x20 [ 24.394347] [] sys_ioctl+0x6f/0x80 [ 24.394357] [] sysenter_do_call+0x12/0x26 [ 24.394365] ---[ end trace d244b8b3431a8a37 ]--- [ 24.400057] i2c i2c-3: master_xfer[0] W, addr=0x50, len=1 [ 24.400069] i2c i2c-3: master_xfer[1] R, addr=0x50, len=1 [ 24.400317] i2c i2c-3: NAK from device addr 0x50 msg #0 [ 24.400354] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga [ 24.400403] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] probed modes : [ 24.400415] [drm:drm_mode_debug_printmodeline], Modeline 20:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 24.400433] [drm:drm_mode_debug_printmodeline], Modeline 18:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 24.400451] [drm:drm_mode_debug_printmodeline], Modeline 17:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5 [ 24.400468] [drm:drm_mode_debug_printmodeline], Modeline 19:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5 [ 24.400484] [drm:drm_mode_debug_printmodeline], Modeline 16:"640x480" 60 25175 640 656 752 800 480 489 492 525 0x40 0xa [ 24.400529] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 24.401228] [drm:drm_mode_getconnector], [CONNECTOR:8:?] [ 24.401241] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] [ 24.401257] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 24.401267] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 24.401503] i2c i2c-6: NAK from device addr 0x38 msg #0 [ 24.401539] [drm:ns2501_readb], Unable to read register 0x09 from i915 gmbus dpb:38. [ 24.401556] i2c i2c-5: master_xfer[0] W, addr=0x50, len=1 [ 24.401566] i2c i2c-5: master_xfer[1] R, addr=0x50, len=1 [ 24.401800] i2c i2c-5: NAK from device addr 0x50 msg #0 [ 24.401835] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc [ 24.401862] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-I-1] probed modes : [ 24.401873] [drm:drm_mode_debug_printmodeline], Modeline 13:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 24.401890] [drm:drm_mode_debug_printmodeline], Modeline 11:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 24.401907] [drm:drm_mode_debug_printmodeline], Modeline 10:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5 [ 24.401924] [drm:drm_mode_debug_printmodeline], Modeline 12:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5 [ 24.401941] [drm:drm_mode_debug_printmodeline], Modeline 9:"640x480" 60 25175 640 656 752 800 480 489 492 525 0x40 0xa [ 24.401964] [drm:drm_mode_getconnector], [CONNECTOR:8:?] [ 24.544577] [drm:drm_mode_addfb], [FB:21] [ 24.544686] [drm:drm_mode_setcrtc], [CRTC:3] [ 24.544704] [drm:drm_mode_setcrtc], [CONNECTOR:5:VGA-1] [ 24.544714] [drm:drm_mode_setcrtc], [CONNECTOR:8:DVI-I-1] [ 24.544723] [drm:drm_crtc_helper_set_config], [ 24.544731] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:21] #connectors=2 (x y) (0 0) [ 24.544754] [drm:drm_crtc_helper_set_config], crtc has no fb, full mode set [ 24.544764] [drm:drm_crtc_helper_set_config], encoder changed, full mode switch [ 24.544772] [drm:drm_crtc_helper_set_config], encoder changed, full mode switch [ 24.544780] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch [ 24.544789] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:VGA-1] to [CRTC:3] [ 24.544799] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch [ 24.544808] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] to [CRTC:3] [ 24.544818] [drm:drm_crtc_helper_set_config], attempting to set mode from userspace [ 24.544827] [drm:drm_mode_debug_printmodeline], Modeline 22:"1024x768" 0 65000 1024 1048 1184 1344 768 771 777 806 0x0 0xa [ 24.544850] [drm:drm_crtc_helper_set_mode], [CRTC:3] [ 24.544871] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 24.544881] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 24.545123] i2c i2c-6: NAK from device addr 0x38 msg #0 [ 24.545159] [drm:ns2501_readb], Unable to read register 0x08 from i915 gmbus dpb:38. [ 24.552562] [drm:i9xx_crtc_mode_set], Mode for pipe A: [ 24.552571] [drm:drm_mode_debug_printmodeline], Modeline 22:"1024x768" 0 65000 1024 1048 1184 1344 768 771 777 806 0x0 0xa [ 24.611649] [drm:i9xx_update_plane], Writing base 00400000 00000000 0 0 4096 [ 24.611672] [drm:intel_update_fbc], [ 24.611683] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 24.611693] [drm:intel_calculate_wm], FIFO entries required for mode: 41 [ 24.611702] [drm:intel_calculate_wm], FIFO watermark level: 4 [ 24.611710] [drm:i830_update_wm], Setting FIFO watermarks - A: 4 [ 24.611725] [drm:drm_crtc_helper_set_mode], [ENCODER:6:DAC-6] set [MODE:22:1024x768] [ 24.611738] [drm:drm_crtc_helper_set_mode], [ENCODER:7:None-7] set [MODE:22:1024x768] [ 24.611752] [drm:i830_get_fifo_size], FIFO size - (0x00017e5f) A: 47 [ 24.611762] [drm:intel_calculate_wm], FIFO entries required for mode: 41 [ 24.611770] [drm:intel_calculate_wm], FIFO watermark level: 4 [ 24.611778] [drm:i830_update_wm], Setting FIFO watermarks - A: 4 [ 24.612293] [drm:intel_update_fbc], [ 24.612315] i2c i2c-6: master_xfer[0] W, addr=0x38, len=1 [ 24.612325] i2c i2c-6: master_xfer[1] R, addr=0x38, len=1 [ 24.618118] [drm:drm_crtc_helper_set_config], Setting connector DPMS state to on [ 24.618138] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:VGA-1] set DPMS on [ 24.618150] [drm:drm_crtc_helper_set_config], [CONNECTOR:8:DVI-I-1] set DPMS on [ 24.618166] ------------[ cut here ]------------ [ 24.618232] WARNING: at drivers/gpu/drm/i915/intel_display.c:963 assert_plane+0x70/0x80 [i915]() [ 24.618240] Hardware name: LIFEBOOK S Series [ 24.618247] plane B assertion failure (expected off, current on) [ 24.618253] Modules linked in: binfmt_misc fuse loop firewire_sbp2 i915 snd_intel8x0 snd_ac97_codec drm_kms_helper drm ac97_bus snd_pcm psmouse pcmcia snd_seq acpi_cpufreq yenta_socket snd_timer snd_seq_device snd microcode apanel pcspkr pcmcia_rsrc input_polldev evdev mperf i2c_algo_bit video processor fujitsu_laptop thermal_sys i2c_i801 i2c_core rng_core soundcore snd_page_alloc pcmcia_core shpchp led_class serio_raw pci_hotplug battery button ac ext3 jbd mbcache usbhid hid sg sr_mod sd_mod cdrom ata_generic ata_piix firewire_ohci uhci_hcd libata 8139too 8139cp scsi_mod usbcore firewire_core crc_itu_t mii usb_common [last unloaded: scsi_wait_scan] [ 24.618385] Pid: 984, comm: Xorg Tainted: G W 3.4.0 #3 [ 24.618393] Call Trace: [ 24.618413] [] warn_slowpath_common+0x6d/0xa0 [ 24.618442] [] ? assert_plane+0x70/0x80 [i915] [ 24.618471] [] ? assert_plane+0x70/0x80 [i915] [ 24.618482] [] warn_slowpath_fmt+0x2e/0x30 [ 24.618510] [] assert_plane+0x70/0x80 [i915] [ 24.618541] [] intel_crtc_disable+0x5b/0xa0 [i915] [ 24.618557] [] drm_helper_disable_unused_functions+0xef/0x140 [drm_kms_helper] [ 24.618571] [] drm_crtc_helper_set_config+0x856/0x9b0 [drm_kms_helper] [ 24.618604] [] drm_mode_setcrtc+0x19d/0x530 [drm] [ 24.618628] [] ? drm_mode_gamma_set_ioctl+0x7c/0x120 [drm] [ 24.618648] [] drm_ioctl+0x282/0x550 [drm] [ 24.618670] [] ? drm_mode_attachmode_ioctl+0x100/0x100 [drm] [ 24.618691] [] ? drm_version+0x90/0x90 [drm] [ 24.618707] [] do_vfs_ioctl+0x7e/0x570 [ 24.618720] [] ? vfs_write+0xfc/0x140 [ 24.618736] [] ? tomoyo_file_ioctl+0x12/0x20 [ 24.618747] [] sys_ioctl+0x6f/0x80 [ 24.618758] [] sysenter_do_call+0x12/0x26 [ 24.618767] ---[ end trace d244b8b3431a8a38 ]--- [ 24.683151] [drm:i915_driver_irq_handler], pipe A underrun [ 28.858599] uhci_hcd 0000:00:1d.0: reserve dev 2 ep81-INT, period 8, phase 4, 93 us [ 28.883791] apanel 0-0019: uevent [ 29.216055] eth0: no IPv6 routers present [ 29.288450] [drm:intel_crtc_cursor_set], [ 31.553529] sshd (1224): /proc/1224/oom_adj is deprecated, please use /proc/1224/oom_score_adj instead. (END)