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Bug#248453: xlibmesa-dri: Segfaults crack-attack on matrox.



Package: xlibmesa-dri
Version: 4.3.0.dfsg.1-1
Severity: normal

Since I installed XFree86 4.3, crack-attack crashes. It does not crash when
direct rendering is disabled, though, so it looks like a bug in direct
rendering.

In gdb it looks that the stack is corrupt, but I have not recompiled with
debugging. However, gdb claims the top frame is mallopt from glibc.

I have a MGA450 graphic card and use Matrox driver BETA3.0. I tried both
mga_drv.o from Matrox and from XFree, but that makes no difference. The
mga_hal_drv.o from Matrox is necessary to get direct rendering. Matrox does not
provide dri/mga_drv.so for XFree 4.3, so I now use the one from xlibmesa-dri,
while before I used the one from Matrox.

I am willing to provide more additional information you may ask for.

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.5
Locale: LANG=C, LC_CTYPE=cs_CZ

Versions of packages xlibmesa-dri depends on:
ii  xlibmesa-gl               4.3.0.dfsg.1-1 Mesa 3D graphics library [XFree86]

Other relevant packages:
ii  freeglut3 [libglut3]      2.2.0-6.1      OpenGL Utility Toolkit
ii  libc6                     2.3.2.ds1-12   GNU C Library: Shared libraries an
ii  libgcc1                   1:3.3.3-7      GCC support library
ii  libglut3                  3.7-25         the OpenGL Utility Toolkit
ii  libice6                   4.3.0.dfsg.1-1 Inter-Client Exchange library
ii  libsm6                    4.3.0.dfsg.1-1 X Window System Session Management
ii  libstdc++5                1:3.3.3-7      The GNU Standard C++ Library v3
ii  libx11-6                  4.3.0.dfsg.1-1 X Window System protocol client li
ii  libxi6                    4.3.0.dfsg.1-1 X Window System Input extension li
ii  libxmu6                   4.3.0.dfsg.1-1 X Window System miscellaneous util
ii  xlibmesa-gl [libgl1]      4.3.0.dfsg.1-1 Mesa 3D graphics library [XFree86]
ii  xlibmesa-glu [libglu1]    4.3.0.dfsg.1-1 Mesa OpenGL utility library [XFree
ii  xlibs                     4.3.0.dfsg.1-1 X Window System client libraries m

-- no debconf information
-------------------------------------------------------------------------------
						 Jan 'Bulb' Hudec <bulb@ucw.cz>

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