[Nouveau] [Bug 23712] New: NVA0 KMS: kernel NULL pointer dereference

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23712

           Summary: NVA0 KMS: kernel NULL pointer dereference
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: peter.henriksson at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=29219)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=29219)
kernel log

I have been getting this NULL pointer dereference since drm-next was merged to
nouvuea/linux-2.6 master on August 21.

The card is a GeForce GTX 275 (NVA0)

The dereference does not happen in the following circumstances.
1. kernel has CONFIG_DEBUG_INFO=y
2. booting with kms disabled and then reloading the module with modeset=1

What other information should I provide to help figure this out?
bisecting is difficult due to the drm-next merge.

The attached trace is with current master (e02aed2)


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