[Nouveau] [Bug 23972] New: Nouveau KMS - kernel crash when loading drm on G86 [GeForce 8400M GS]

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23972

           Summary: Nouveau KMS - kernel crash when loading drm on G86
                    [GeForce 8400M GS]
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: high
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: matthias at gamezock.de
         QAContact: xorg-team at lists.x.org


Created an attachment (id=29593)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=29593)
kern.log

When I load the nouveau drm module with modeset=1 on my G86 [GeForce 8400M GS],
the kernel crashes. Backtrace attached.

Workarounds:

1. With modeset=0, nouveau works
2. If I start Xorg with the nv driver, stop it, and then load nouveau with
modeset=1, KMS works without problems. I can start Xorg with the nouveau driver
after that.


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