[xorg-bugzilla-noise] [Bug 1217] New: mga driver crashes with openGL clients when DRI is enabled

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1217        
   
           Summary: mga driver crashes with openGL clients when DRI is
                    enabled
           Product: xorg
           Version: 6.8.0
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Driver/mga
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: j.w.r.degoede at hhs.nl


I'm running the Fedora Core 3 test release updated with the latest package
from the Fedora Development branch. This version of Fedora contains the
latest CVs version of the xorg xservers. (6.7.99.902) .

I first discovered this problem when running a program I was doing some hacking
on which uses openGL (x.mame.net) . Because I was working on this program I was
linking it with ElectricFence (malloc debugger) to catch any bufferoverruns.

Now if I leave DRI enabled and run any application with Electricfence linked in,
it segfaults. Try for example:
export LD_PRELOAD=libefence.so.0.0
cd Mesa-6.0.1/progs/demos/
./tunnel

I can produce a backtrace in gdb if you want. I've tried uopgrading to the
latest CVS drm but that doesn't help.        
   
   
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