[Bug 36892] New: page faults / general protection faults under heavy 3d load

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=36892

           Summary: page faults / general protection faults under heavy 3d
                    load
           Product: Drivers
           Version: 2.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
        ReportedBy: niels_ole at salscheider-online.de
        Regression: No


I get page faults or general protection faults under heavy 3d load (like
"sauerbraten", but sometimes switching windows with kwin is enough) in random
processes. I have a radeon hd 6870 and use r600g from mesa git.

This happens on 3.0-rc1 and 2.6.39. I am not sure if this is a problem with
older kernels, too, since I get gpu lockups with them.

I am not sure what could cause these problems, maybe some bug in gem / ttm?

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