https://bugs.freedesktop.org/show_bug.cgi?id=31366
Summary: [drm][KMS][Regression] Screen shutdown during boot
Product: xorg
Version: git
Platform: All
OS/Version: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Driver/nouveau
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Created an attachment (id=40026)
--> (https://bugs.freedesktop.org/attachment.cgi?id=40026)
Dmesg of 2.6.36.x boot
Graphic Card : Nvidia 9500M (Hybrid SLI : chipset of the Dell Studio XPS 13
composed by a nvidia 9400GM and a 9200GS) Under Linux, only the 9400 is
detected and it always work fine.
I'm using nouveau on an Archlinux x86_64 GNU/linux system. I have had a great
KMS for months, but since the 2.6.35.x kernel, I lost it.
Instead of my KMS, my screen shutdown, and switch on again when X is launching,
and everything went nice, 2D,3D, dual screen etc.
I think it is a drm driver problem. Here is my dmesg with drm.debug=14 to have
a maximum of information, but there isn't really an error.
I tried with Ubuntu 10.10 32/64bits live CDs, but the results are the same,
however when I boot my "old" kernel 2.6.32.x, I still have my KMS of course.
When I type Ctrl+Alt+F1, my computer switch on the tty, I can login and use it
blindly, but my screen show the last screen of my graphical environment.
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