Bug 16013 - Radeon DRM with 2x ATI 4850 linked in Crossfire-X leads to blank screen with modeset=1
Summary: Radeon DRM with 2x ATI 4850 linked in Crossfire-X leads to blank screen with ...
Status: RESOLVED INVALID
Alias: None
Product: Drivers
Classification: Unclassified
Component: Video(DRI - non Intel) (show other bugs)
Hardware: All Linux
: P1 high
Assignee: drivers_video-dri
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-05-20 12:25 UTC by Adrien Dessemond
Modified: 2010-06-20 19:52 UTC (History)
0 users

See Also:
Kernel Version: 2.6.34
Subsystem:
Regression: No
Bisected commit-id:


Attachments
xrandr -q output under fglrx (7.61 KB, text/plain)
2010-05-28 22:47 UTC, Adrien Dessemond
Details
Log of what happens with no forced resolution (18.78 KB, text/plain)
2010-05-28 22:50 UTC, Adrien Dessemond
Details
Log of what happens with resolution forced to 1024x768@60 (19.99 KB, text/plain)
2010-05-28 22:52 UTC, Adrien Dessemond
Details

Description Adrien Dessemond 2010-05-20 12:25:23 UTC
When I do :

# modprobe radeon modeset=1

The screen becomes blank (the machine is still alive) and the following is written in the logs (troubles appears since 2.6.32) :

May 19 19:11:14 electron kernel: [    0.000000] Command line: root=/dev/sda4 acpi_enforce_resources=lax ahci.marvell_enable=0 drm.debug=0x06
May 19 19:11:14 electron kernel: [    0.000000] Kernel command line: root=/dev/sda4 acpi_enforce_resources=lax ahci.marvell_enable=0 drm.debug=0x06
May 19 19:18:09 electron kernel: [  442.917285] [drm] Initialized drm 1.1.0 20060810
May 19 19:18:09 electron kernel: [  442.949116] [drm] radeon kernel modesetting enabled.
May 19 19:18:09 electron kernel: [  442.949158] radeon 0000:03:00.0: PCI INT A -> GSI 24 (level, low) -> IRQ 24
May 19 19:18:09 electron kernel: [  442.949161] radeon 0000:03:00.0: setting latency timer to 64
May 19 19:18:09 electron kernel: [  442.950055] [drm] initializing kernel modesetting (RV770 0x1002:0x9442).
May 19 19:18:09 electron kernel: [  442.950679] [drm] register mmio base: 0xFB9E0000
May 19 19:18:09 electron kernel: [  442.950681] [drm] register mmio size: 65536
May 19 19:18:09 electron kernel: [  442.950782] [drm] Clocks initialized !
May 19 19:18:09 electron kernel: [  442.950785] [drm] Internal thermal controller with fan control
May 19 19:18:09 electron kernel: [  442.950787] [drm] 4 Power State(s)
May 19 19:18:09 electron kernel: [  442.950788] [drm] State 0 Default (default)
May 19 19:18:09 electron kernel: [  442.950789] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  442.950790] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  442.950791] [drm]           0 engine/memory: 625000/993000
May 19 19:18:09 electron kernel: [  442.950792] [drm]           1 engine/memory: 625000/993000
May 19 19:18:09 electron kernel: [  442.950794] [drm]           2 engine/memory: 625000/993000
May 19 19:18:09 electron kernel: [  442.950796] [drm] State 1 Performance 
May 19 19:18:09 electron kernel: [  442.950797] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  442.950798] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  442.950799] [drm]           0 engine/memory: 500000/1000000
May 19 19:18:09 electron kernel: [  442.950801] [drm]           1 engine/memory: 500000/1000000
May 19 19:18:09 electron kernel: [  442.950802] [drm]           2 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  442.950804] [drm] State 2 Default 
May 19 19:18:09 electron kernel: [  442.950805] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  442.950806] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  442.950807] [drm]           0 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  442.950808] [drm]           1 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  442.950809] [drm]           2 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  442.950811] [drm] State 3 Performance 
May 19 19:18:09 electron kernel: [  442.950812] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  442.950813] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  442.950814] [drm]           0 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  442.950816] [drm]           1 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  442.950817] [drm]           2 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  442.950829] [drm] radeon: power management initialized
May 19 19:18:09 electron kernel: [  442.950838] radeon 0000:03:00.0: VRAM: 256M 0x00000000 - 0x0FFFFFFF (256M used)
May 19 19:18:09 electron kernel: [  442.950840] radeon 0000:03:00.0: GTT: 512M 0x10000000 - 0x2FFFFFFF
May 19 19:18:09 electron kernel: [  442.950858] [drm] Detected VRAM RAM=256M, BAR=256M
May 19 19:18:09 electron kernel: [  442.950859] [drm] RAM width 256bits DDR
May 19 19:18:09 electron kernel: [  442.950901] [drm] radeon: 256M of VRAM memory ready
May 19 19:18:09 electron kernel: [  442.950904] [drm] radeon: 512M of GTT memory ready.
May 19 19:18:09 electron kernel: [  442.950938] radeon 0000:03:00.0: irq 61 for MSI/MSI-X
May 19 19:18:09 electron kernel: [  442.950942] [drm] radeon: using MSI.
May 19 19:18:09 electron kernel: [  442.950968] [drm] radeon: irq initialized.
May 19 19:18:09 electron kernel: [  442.950970] [drm] GART: num cpu pages 131072, num gpu pages 131072
May 19 19:18:09 electron kernel: [  442.951436] [drm] Loading RV770 Microcode
May 19 19:18:09 electron kernel: [  442.951439] platform radeon_cp.0: firmware: requesting radeon/RV770_pfp.bin
May 19 19:18:09 electron kernel: [  442.979495] platform radeon_cp.0: firmware: requesting radeon/RV770_me.bin
May 19 19:18:09 electron kernel: [  442.992754] platform radeon_cp.0: firmware: requesting radeon/R700_rlc.bin
May 19 19:18:09 electron kernel: [  443.100205] [drm] ring test succeeded in 1 usecs
May 19 19:18:09 electron kernel: [  443.100264] [drm] radeon: ib pool ready.
May 19 19:18:09 electron kernel: [  443.100330] [drm] ib test succeeded in 0 usecs
May 19 19:18:09 electron kernel: [  443.100331] [drm] Enabling audio support
May 19 19:18:09 electron kernel: [  443.100402] [drm] Default TV standard: NTSC
May 19 19:18:09 electron kernel: [  443.100405] [drm] Default TV standard: NTSC
May 19 19:18:09 electron kernel: [  443.100422] [drm] Default TV standard: NTSC
May 19 19:18:09 electron kernel: [  443.100471] [drm] Radeon Display Connectors
May 19 19:18:09 electron kernel: [  443.100677] [drm] Connector 0:
May 19 19:18:09 electron kernel: [  443.100679] [drm]   DVI-I
May 19 19:18:09 electron kernel: [  443.100680] [drm]   HPD1
May 19 19:18:09 electron kernel: [  443.100682] [drm]   DDC: 0x7e60 0x7e60 0x7e64 0x7e64 0x7e68 0x7e68 0x7e6c 0x7e6c
May 19 19:18:09 electron kernel: [  443.100683] [drm]   Encoders:
May 19 19:18:09 electron kernel: [  443.100684] [drm]     DFP1: INTERNAL_UNIPHY
May 19 19:18:09 electron kernel: [  443.100686] [drm]     CRT2: INTERNAL_KLDSCP_DAC2
May 19 19:18:09 electron kernel: [  443.100687] [drm] Connector 1:
May 19 19:18:09 electron kernel: [  443.100688] [drm]   DIN
May 19 19:18:09 electron kernel: [  443.100688] [drm]   Encoders:
May 19 19:18:09 electron kernel: [  443.100689] [drm]     TV1: INTERNAL_KLDSCP_DAC2
May 19 19:18:09 electron kernel: [  443.100690] [drm] Connector 2:
May 19 19:18:09 electron kernel: [  443.100691] [drm]   DVI-I
May 19 19:18:09 electron kernel: [  443.100692] [drm]   HPD2
May 19 19:18:09 electron kernel: [  443.100693] [drm]   DDC: 0x7e20 0x7e20 0x7e24 0x7e24 0x7e28 0x7e28 0x7e2c 0x7e2c
May 19 19:18:09 electron kernel: [  443.100694] [drm]   Encoders:
May 19 19:18:09 electron kernel: [  443.100695] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
May 19 19:18:09 electron kernel: [  443.100696] [drm]     DFP2: INTERNAL_KLDSCP_LVTMA
May 19 19:18:09 electron kernel: [  443.169389] [drm:drm_helper_probe_single_connector_modes], DVI-I-1
May 19 19:18:09 electron kernel: [  443.224523] [drm:drm_helper_probe_single_connector_modes], Probed modes for DVI-I-1
May 19 19:18:09 electron kernel: [  443.224524] [drm:drm_mode_debug_printmodeline], Modeline 36:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x48 0x9
May 19 19:18:09 electron kernel: [  443.224527] [drm:drm_mode_debug_printmodeline], Modeline 32:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
May 19 19:18:09 electron kernel: [  443.224530] [drm:drm_mode_debug_printmodeline], Modeline 24:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224532] [drm:drm_mode_debug_printmodeline], Modeline 33:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224535] [drm:drm_mode_debug_printmodeline], Modeline 34:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224537] [drm:drm_mode_debug_printmodeline], Modeline 35:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224540] [drm:drm_mode_debug_printmodeline], Modeline 25:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224543] [drm:drm_mode_debug_printmodeline], Modeline 26:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
May 19 19:18:09 electron kernel: [  443.224545] [drm:drm_mode_debug_printmodeline], Modeline 27:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
May 19 19:18:09 electron kernel: [  443.224548] [drm:drm_mode_debug_printmodeline], Modeline 28:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
May 19 19:18:09 electron kernel: [  443.224550] [drm:drm_mode_debug_printmodeline], Modeline 30:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224553] [drm:drm_mode_debug_printmodeline], Modeline 29:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224555] [drm:drm_mode_debug_printmodeline], Modeline 17:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224558] [drm:drm_mode_debug_printmodeline], Modeline 18:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
May 19 19:18:09 electron kernel: [  443.224560] [drm:drm_mode_debug_printmodeline], Modeline 20:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
May 19 19:18:09 electron kernel: [  443.224563] [drm:drm_mode_debug_printmodeline], Modeline 19:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
May 19 19:18:09 electron kernel: [  443.224565] [drm:drm_mode_debug_printmodeline], Modeline 21:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
May 19 19:18:09 electron kernel: [  443.224567] [drm:drm_mode_debug_printmodeline], Modeline 22:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
May 19 19:18:09 electron kernel: [  443.224570] [drm:drm_mode_debug_printmodeline], Modeline 23:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
May 19 19:18:09 electron kernel: [  443.224573] [drm:drm_helper_probe_single_connector_modes], 9-pin DIN-1
May 19 19:18:09 electron kernel: [  443.229382] [drm:drm_helper_probe_single_connector_modes], 9-pin DIN-1 is disconnected
May 19 19:18:09 electron kernel: [  443.229384] [drm:drm_helper_probe_single_connector_modes], DVI-I-2
May 19 19:18:09 electron kernel: [  443.236378] [drm:drm_helper_probe_single_connector_modes], DVI-I-2 is disconnected
May 19 19:18:09 electron kernel: [  443.236380] [drm:drm_setup_crtcs], 
May 19 19:18:09 electron kernel: [  443.236382] [drm:drm_enable_connectors], connector 10 enabled? yes
May 19 19:18:09 electron kernel: [  443.236383] [drm:drm_enable_connectors], connector 12 enabled? no
May 19 19:18:09 electron kernel: [  443.236384] [drm:drm_enable_connectors], connector 14 enabled? no
May 19 19:18:09 electron kernel: [  443.236386] [drm:drm_target_preferred], looking for cmdline mode on connector 10
May 19 19:18:09 electron kernel: [  443.236387] [drm:drm_target_preferred], looking for preferred mode on connector 10
May 19 19:18:09 electron kernel: [  443.236389] [drm:drm_target_preferred], found mode 1680x1050
May 19 19:18:09 electron kernel: [  443.236390] [drm:drm_setup_crtcs], picking CRTCs for 8192x8192 config
May 19 19:18:09 electron kernel: [  443.236392] [drm:drm_setup_crtcs], desired mode 1680x1050 set on crtc 7
May 19 19:18:09 electron kernel: [  443.240171] [drm] fb mappable at 0xC0141000
May 19 19:18:09 electron kernel: [  443.240172] [drm] vram apper at 0xC0000000
May 19 19:18:09 electron kernel: [  443.240173] [drm] size 7257600
May 19 19:18:09 electron kernel: [  443.240174] [drm] fb depth is 24
May 19 19:18:09 electron kernel: [  443.240174] [drm]    pitch is 6912
May 19 19:18:09 electron kernel: [  443.240198] fb0: radeondrmfb frame buffer device
May 19 19:18:09 electron kernel: [  443.240201] [drm] Initialized radeon 2.3.0 20080528 for 0000:03:00.0 on minor 0
May 19 19:18:09 electron kernel: [  443.240215] radeon 0000:04:00.0: enabling device (0000 -> 0003)
May 19 19:18:09 electron kernel: [  443.240227] radeon 0000:04:00.0: PCI INT A -> GSI 30 (level, low) -> IRQ 30
May 19 19:18:09 electron kernel: [  443.240232] radeon 0000:04:00.0: setting latency timer to 64
May 19 19:18:09 electron kernel: [  443.241118] [drm] initializing kernel modesetting (RV770 0x1002:0x9442).
May 19 19:18:09 electron kernel: [  443.241846] [drm] register mmio base: 0xFBAE0000
May 19 19:18:09 electron kernel: [  443.241847] [drm] register mmio size: 65536
May 19 19:18:09 electron kernel: [  443.358907] [drm] GPU not posted. posting now...
May 19 19:18:09 electron kernel: [  443.380520] [drm] Clocks initialized !
May 19 19:18:09 electron kernel: [  443.380522] [drm] Internal thermal controller with fan control
May 19 19:18:09 electron kernel: [  443.380523] [drm] 4 Power State(s)
May 19 19:18:09 electron kernel: [  443.380524] [drm] State 0 Default (default)
May 19 19:18:09 electron kernel: [  443.380525] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  443.380526] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  443.380527] [drm]           0 engine/memory: 625000/993000
May 19 19:18:09 electron kernel: [  443.380528] [drm]           1 engine/memory: 625000/993000
May 19 19:18:09 electron kernel: [  443.380529] [drm]           2 engine/memory: 625000/993000
May 19 19:18:09 electron kernel: [  443.380530] [drm] State 1 Performance 
May 19 19:18:09 electron kernel: [  443.380531] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  443.380532] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  443.380532] [drm]           0 engine/memory: 500000/1000000
May 19 19:18:09 electron kernel: [  443.380533] [drm]           1 engine/memory: 500000/1000000
May 19 19:18:09 electron kernel: [  443.380534] [drm]           2 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  443.380535] [drm] State 2 Default 
May 19 19:18:09 electron kernel: [  443.380536] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  443.380537] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  443.380538] [drm]           0 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  443.380539] [drm]           1 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  443.380540] [drm]           2 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  443.380540] [drm] State 3 Performance 
May 19 19:18:09 electron kernel: [  443.380541] [drm]   16 PCIE Lanes
May 19 19:18:09 electron kernel: [  443.380542] [drm]   3 Clock Mode(s)
May 19 19:18:09 electron kernel: [  443.380543] [drm]           0 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  443.380544] [drm]           1 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  443.380545] [drm]           2 engine/memory: 685000/1000000
May 19 19:18:09 electron kernel: [  443.380546] [drm] radeon: power management initialized
May 19 19:18:09 electron kernel: [  443.380551] radeon 0000:04:00.0: VRAM: 256M 0x00000000 - 0x0FFFFFFF (256M used)
May 19 19:18:09 electron kernel: [  443.380552] radeon 0000:04:00.0: GTT: 512M 0x10000000 - 0x2FFFFFFF
May 19 19:18:09 electron kernel: [  443.380563] [drm] Detected VRAM RAM=256M, BAR=256M
May 19 19:18:09 electron kernel: [  443.380564] [drm] RAM width 256bits DDR
May 19 19:18:09 electron kernel: [  443.380570] [drm] radeon: 256M of VRAM memory ready
May 19 19:18:09 electron kernel: [  443.380571] [drm] radeon: 512M of GTT memory ready.
May 19 19:18:09 electron kernel: [  443.380596] radeon 0000:04:00.0: irq 62 for MSI/MSI-X
May 19 19:18:09 electron kernel: [  443.380600] [drm] radeon: using MSI.
May 19 19:18:09 electron kernel: [  443.380623] [drm] radeon: irq initialized.
May 19 19:18:09 electron kernel: [  443.380625] [drm] GART: num cpu pages 131072, num gpu pages 131072
May 19 19:18:09 electron kernel: [  443.380986] [drm] Loading RV770 Microcode
May 19 19:18:09 electron kernel: [  443.380988] platform radeon_cp.0: firmware: requesting radeon/RV770_pfp.bin
May 19 19:18:09 electron kernel: [  443.381805] platform radeon_cp.0: firmware: requesting radeon/RV770_me.bin
May 19 19:18:09 electron kernel: [  443.382416] platform radeon_cp.0: firmware: requesting radeon/R700_rlc.bin
May 19 19:18:10 electron kernel: [  443.432488] [drm] ring test succeeded in 1 usecs
May 19 19:18:10 electron kernel: [  443.432542] [drm] radeon: ib pool ready.
May 19 19:18:10 electron kernel: [  443.432602] [drm] ib test succeeded in 0 usecs
May 19 19:18:10 electron kernel: [  443.432604] [drm] Enabling audio support
May 19 19:18:10 electron kernel: [  443.432658] [drm] Default TV standard: NTSC
May 19 19:18:10 electron kernel: [  443.432660] [drm] Default TV standard: NTSC
May 19 19:18:10 electron kernel: [  443.432671] [drm] Default TV standard: NTSC
May 19 19:18:10 electron kernel: [  443.432702] [drm] Radeon Display Connectors
May 19 19:18:10 electron kernel: [  443.432703] [drm] Connector 0:
May 19 19:18:10 electron kernel: [  443.432703] [drm]   DVI-I
May 19 19:18:10 electron kernel: [  443.432704] [drm]   HPD1
May 19 19:18:10 electron kernel: [  443.432705] [drm]   DDC: 0x7e60 0x7e60 0x7e64 0x7e64 0x7e68 0x7e68 0x7e6c 0x7e6c
May 19 19:18:10 electron kernel: [  443.432706] [drm]   Encoders:
May 19 19:18:10 electron kernel: [  443.432707] [drm]     DFP1: INTERNAL_UNIPHY
May 19 19:18:10 electron kernel: [  443.432708] [drm]     CRT2: INTERNAL_KLDSCP_DAC2
May 19 19:18:10 electron kernel: [  443.432709] [drm] Connector 1:
May 19 19:18:10 electron kernel: [  443.432710] [drm]   DIN
May 19 19:18:10 electron kernel: [  443.432710] [drm]   Encoders:
May 19 19:18:10 electron kernel: [  443.432711] [drm]     TV1: INTERNAL_KLDSCP_DAC2
May 19 19:18:10 electron kernel: [  443.432712] [drm] Connector 2:
May 19 19:18:10 electron kernel: [  443.432713] [drm]   DVI-I
May 19 19:18:10 electron kernel: [  443.432713] [drm]   HPD2
May 19 19:18:10 electron kernel: [  443.432714] [drm]   DDC: 0x7e20 0x7e20 0x7e24 0x7e24 0x7e28 0x7e28 0x7e2c 0x7e2c
May 19 19:18:10 electron kernel: [  443.432715] [drm]   Encoders:
May 19 19:18:10 electron kernel: [  443.432716] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
May 19 19:18:10 electron kernel: [  443.432717] [drm]     DFP2: INTERNAL_KLDSCP_LVTMA
May 19 19:18:10 electron kernel: [  443.436822] [drm:drm_helper_probe_single_connector_modes], DVI-I-3
May 19 19:18:10 electron kernel: [  443.443376] [drm:drm_helper_probe_single_connector_modes], DVI-I-3 is disconnected
May 19 19:18:10 electron kernel: [  443.443378] [drm:drm_helper_probe_single_connector_modes], 9-pin DIN-2
May 19 19:18:10 electron kernel: [  443.448400] [drm:drm_helper_probe_single_connector_modes], 9-pin DIN-2 is disconnected
May 19 19:18:10 electron kernel: [  443.448407] [drm:drm_helper_probe_single_connector_modes], DVI-I-4
May 19 19:18:10 electron kernel: [  443.455423] [drm:drm_helper_probe_single_connector_modes], DVI-I-4 is disconnected
May 19 19:18:10 electron kernel: [  443.455427] [drm:drm_setup_crtcs], 
May 19 19:18:10 electron kernel: [  443.455428] [drm:drm_enable_connectors], connector 10 enabled? no
May 19 19:18:10 electron kernel: [  443.455430] [drm:drm_enable_connectors], connector 12 enabled? no
May 19 19:18:10 electron kernel: [  443.455431] [drm:drm_enable_connectors], connector 14 enabled? no
May 19 19:18:10 electron kernel: [  443.455432] [drm:drm_setup_crtcs], picking CRTCs for 8192x8192 config
May 19 19:18:10 electron kernel: [  443.455436] [drm] Initialized radeon 2.3.0 20080528 for 0000:04:00.0 on minor 1


At first glance this sounds to be an incorrect modeline issue, however I do not know how force a modeline in particular from the kernel command line. I didn't tried (yet) with a single card only in the machine.
Comment 1 Adrien Dessemond 2010-05-28 22:35:57 UTC
Follow up:

Forcing a lower resolution (video=1024x768@60) does not help :-(
Comment 2 Adrien Dessemond 2010-05-28 22:47:56 UTC
Created attachment 26573 [details]
xrandr -q output under fglrx

What xrandr -q shows when I use fglrx
Comment 3 Adrien Dessemond 2010-05-28 22:50:45 UTC
Created attachment 26574 [details]
Log of what happens with no forced resolution
Comment 4 Adrien Dessemond 2010-05-28 22:52:25 UTC
Created attachment 26575 [details]
Log of what happens with resolution forced to 1024x768@60
Comment 5 Adrien Dessemond 2010-06-20 19:52:21 UTC
I did several updates (2.6.35-rc3, libdrm, radeon-ucode...), this trouble is solved. I now have other issues on 2.6.35-rc3 but it is another story.

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