Description of problem: Attempts to boot 2.6.27-0.284.rc4.git6.fc10.x86_64 end up quickly with a blank screen and a dead machine. As far as I can tell, as messages scroll up very quickly, the last two line printed say something about plymouthd and drm. dmesg from the last booting kernel, which happens to be 2.6.27-0.244.rc2.git1.fc10.x86_64, is attached. Version-Release number of selected component (if applicable): kernel-2.6.27-0.284.rc4.git6.fc10.x86_64 How reproducible: always
Created attachment 315320 [details] dmesg output for 2.6.27-0.287.rc4.git7.fc10.x86_64 The situation is somewhat different with 2.6.27-0.287.rc4.git7.fc10.x86_64. With this kernel I can boot to level 3 although around "[drm] Initialized drm 1.1.0 20060810" line screen blanks for a noticeable moment and later comes back in a smaller font. Also there is a series of "*ERROR* EDID has major version 0, instead of 1" messages. A full dmesg output is attached. An attempt to boot to level 5, instead to a console, blinks a screen few times, in a rather quick sequence and leaves it totally blank with no response from a keyboard. A machine still can be reached over a network. In /var/log/Xorg.0.log one can find: Fatal server error: DRM Command submission failure -22 and we are done.
2.6.27-0.290.rc5.fc10.x86_64 behaves really the same as 2.6.27-0.287.rc4.git7.fc10.x86_64; with identical "*ERROR* EDID has major version 0, instead of 1" messages and dead graphic screen when dust settles.
Seeing the same on i386. The kernel does actually boot (e.g., booting to runlevel 3 is just fine) but X dies soon after starting with "DRM Command submission failure -22). Reverting kernel to 2.6.27-0.244.rc2.git1.fc10, everything is just fine. Video card is 02:00.0 VGA compatible controller: ATI Technologies Inc RV350 AS [Radeon 9550]
Incidently, adding nomodeset to the kernel commandline suppresses the problem.
> adding nomodeset to the kernel commandline Indeed, I just tried that with 2.6.27-0.305.rc5.git6.fc10.x86_64, which otherwise will cause "DRM Command submission failure -22" and the same for any other kernel above 2.6.27-0.244.rc2.git1.fc10, and with 'nomodeset' I do not see [drm:edid_is_valid] *ERROR* EDID has major version 0, instead of 1 [drm:edid_is_valid] *ERROR* Raw EDID: and X does start. Thanks for a workaround.
With kernel 2.6.27-0.312.rc5.git7.fc10.x86_64 and xorg-x11-drv-ati-6.9.0-9.fc10 starting _without_ 'nomodeset' brought up a graphic screen. That produced in dmesg 453 lines with various EDID errors like in those samples: [drm:edid_is_valid] *ERROR* EDID has major version 0, instead of 1 [drm:edid_is_valid] *ERROR* Raw EDID: pci 0000:01:00.0: VGA-1: EDID invalid. i2c-adapter i2c-1: unable to read EDID block. Moreover a gdm display ended up too big for a screen, after prolonged blinking, but a desktop screen looks all right and in a resolution expected. Starting that with 'nomodeset' brings the same looking desktop only with much reduced fireworks. It is true that 31 lines like (EE) RADEON(0): Unknown EDID version 0 show up in /var/log/Xorg.0.log but there are no EDID complaints in dmesg.
This bug appears to have been reported against 'rawhide' during the Fedora 10 development cycle. Changing version to '10'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Can you test with fedora 12 livecd and report if it works with it.
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