This morning I installed xorg dbg packages by
# apt-get install xserver-xorg-video-radeon-dbg xserver-xorg-core-dbg
and then let Xorg crash again trying to get a more meaningful backtrace, but
it's still the same. I think the dbg packages did not match the the installed
version.
from gdb:
warning: the debug information found in "/usr/lib/debug//usr/bin/Xorg" does not
match "/usr/bin/Xorg" (CRC mismatch).
<more messages cut out>
Program received signal SIGSEGV, Segmentation fault.
__memcpy_ia32 () at ../sysdeps/i386/i686/multiarch/../memcpy.S:75
75 ../sysdeps/i386/i686/multiarch/../memcpy.S: No such file or directory.
in ../sysdeps/i386/i686/multiarch/../memcpy.S
(gdb) backtrace full
#0 __memcpy_ia32 () at ../sysdeps/i386/i686/multiarch/../memcpy.S:75
No locals.
#1 0x00000000 in ?? ()
No symbol table info available.
from /var/log/Xorg.0.log.old:
Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e937b]
1: /usr/bin/X (0x8048000+0x61c7d) [0x80a9c7d]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0xfc5410]
3: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x56f000+0xb2039) [0x621039]
4: /usr/lib/xorg/modules/libexa.so (0x6ad000+0x9490) [0x6b6490]
5: /usr/lib/xorg/modules/libexa.so (0x6ad000+0x9558) [0x6b6558]
6: /usr/bin/X (miCopyRegion+0x21b) [0x819cadb]
7: /usr/bin/X (miDoCopy+0x44d) [0x819cffd]
8: /usr/lib/xorg/modules/libexa.so (0x6ad000+0x7a4a) [0x6b4a4a]
9: /usr/bin/X (0x8048000+0xda9c3) [0x81229c3]
10: /usr/bin/X (0x8048000+0x28df5) [0x8070df5]
11: /usr/bin/X (0x8048000+0x2a477) [0x8072477]
12: /usr/bin/X (0x8048000+0x1ed7a) [0x8066d7a]
13: /lib/tls/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0x199bd6]
14: /usr/bin/X (0x8048000+0x1e961) [0x8066961]
Segmentation fault at address (nil)
Caught signal 11 (Segmentation fault). Server aborting
** Attachment added: "gdb-Xorg-dbg.txt"
http://launchpadlibrarian.net/48048365/gdb-Xorg-dbg.txt
--
Frequent Xorg crashes on ATI RV250 graphics, radeon driver
https://bugs.launchpad.net/bugs/576355
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