[Nouveau] [Bug 31336] New: KMS start:Black Screen and Switch off

[Didier Spaier]

Le 04/11/2010 13:10, Didier Spaier a écrit :
> Le 02/11/2010 20:37, bugzilla-daemon at freedesktop.org a écrit :
>> https://bugs.freedesktop.org/show_bug.cgi?id=31336
>>
>> Summary: KMS start:Black Screen and Switch off
>> Product: xorg
>> Version: 7.5
>> Platform: x86-64 (AMD64)
>> OS/Version: Linux (All)
>> Status: NEW
>> Severity: normal
>> Priority: medium
>> Component: Driver/nouveau
>> AssignedTo: nouveau at lists.freedesktop.org
>> ReportedBy: mail at inkey-art.net
>> QAContact: xorg-team at lists.x.org
>>
>>
>> Created an attachment (id=39992)
>> --> (https://bugs.freedesktop.org/attachment.cgi?id=39992)
>> Kernel-Log
>>
>> Hello everybody.
>> I've got a problem with the Nouveau Driver and KMS.
>> My video card is a 9600GT.
>> I built Nouveau with this tutorial :
>> http://nouveau.freedesktop.org/wiki/InstallNouveau
>> So , I’ve got a new kernel with Nouveau module activated, I’ve got also the
>> last version of libdrm and xf86-video-nouveau.
>> But when I tried to launch this new kernel ,I’ve got a black screen and then
>> the monitor switch off just after the launch of KMS.
>> I've got the same problem with experimental packages of Debian.
>
> Maybe the hand-over of nouveaufb does not go well depending on the previous fb driver used (if any), see here: http://nouveau.freedesktop.org/wiki/KernelModeSetting.
>
> To check I suggest you launch your system with the "VGA=normal" parameter on the command line.
>
> If that works, just change the fb driver used; if not... Then my guess was bad, sorry.
>
At first I didn't see vga=792 in your command line so may be I am wrong ?? (there was a hand-over problem of nouveaufb with vesab but it has been fixed long ago).