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[Bug 575140] [NEW] [RV250] Kubuntu Lucid: Xorg gets SEGV

 

Public bug reported:

Binary package hint: xserver-xorg-video-radeon

In Lucid Kubuntu Xorg crashes from time to time. Before Lucid this
machine had Intrepid Ubuntu and as far as I remember Xorg has not
crashed for more than a year.

According to /var/log/Xorg.0.log the call stack looks like this


Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x80a116b]
1: /usr/bin/X (0x8048000+0x6789d) [0x80af89d]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0x8d0410]
3: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x766000+0xb2039) [0x818039]
4: /usr/lib/xorg/modules/libexa.so (0x14c000+0x9490) [0x155490]
5: /usr/lib/xorg/modules/libexa.so (0x14c000+0x9558) [0x155558]
6: /usr/bin/X (miCopyRegion+0x21b) [0x817598b]
7: /usr/bin/X (miDoCopy+0x44d) [0x8175ead]
8: /usr/lib/xorg/modules/libexa.so (0x14c000+0x7a4a) [0x153a4a]
9: /usr/bin/X (0x8048000+0xd9fa3) [0x8121fa3]
10: /usr/bin/X (0x8048000+0x2b1f5) [0x80731f5]
11: /usr/bin/X (0x8048000+0x2c877) [0x8074877]
12: /usr/bin/X (0x8048000+0x1ed7a) [0x8066d7a]
13: /lib/tls/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0x17fbd6]
14: /usr/bin/X (0x8048000+0x1e961) [0x8066961]
Segmentation fault at address (nil)

Caught signal 11 (Segmentation fault). Server aborting


I enabled apport, but if did never catch the Xorg SEGV (It caught other SEGVs so I don't know what I did wrong)

I built matching debug packages (the ones from the repositories  cannot
be used because of https://bugs.launchpad.net/bugs/562418) but still the
call stackin gdb is always useless:

(gdb) bt full                                                                 
#0  __memcpy_ia32 () at ../sysdeps/i386/i686/multiarch/../memcpy.S:75         
No locals.                                                                    
#1  0x00000000 in ?? ()                                                       
No symbol table info available.                                               


I will run apport-collect and attach a few log files.

** Affects: xserver-xorg-video-ati (Ubuntu)
     Importance: Undecided
         Status: New

-- 
[RV250] Kubuntu Lucid: Xorg gets SEGV
https://bugs.launchpad.net/bugs/575140
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