[Bug 41579] New: R300 Segfaults when using mupen64plus

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41579

           Summary: R300 Segfaults when using mupen64plus
           Product: Mesa
           Version: 7.11
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/r300
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: krthurow at gmail.com


Created an attachment (id=52103)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52103)
Backtrace from r300 segfault when running mupen64plus.

When starting up the emulator mupen64plus with a ROM, it crashes before loading
the ROM, showing a segfault. Video card is a Mobility Radeon X1700.

Using gdb I traced the segfault back to r300_dri.so
The issues seems to be at line 864 of src/gallium/drivers/r300/r300_emit.c
'buf' is getting set to 0 instead of a proper address.

My backtrace is attached.

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