while replacing the nvidia driver seemed to fix the problem, after
working with a mathematica notebook for some time, it still crashes the
xserver on exit. this time xorg left some trail in the Xorg.0.log.old:
[162589.945] (EE)
[162589.945] (EE) Backtrace:
[162589.945] (EE) 0: /usr/bin/X (xorg_backtrace+0x3d) [0x7f9c6e96602d]
[162589.945] (EE) 1: /usr/bin/X (0x7f9c6e7c4000+0x1a5d99) [0x7f9c6e969d99]
[162589.945] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0
(0x7f9c6d8c4000+0xfbb0) [0x7f9c6d8d3bb0]
[162589.945] (EE) 3: /usr/bin/X (dixDestroyPixmap+0x4) [0x7f9c6e814e54]
[162589.945] (EE) 4: /usr/bin/X (0x7f9c6e7c4000+0x76bf2) [0x7f9c6e83abf2]
[162589.945] (EE) 5: /usr/bin/X (FreeClientResources+0x6c) [0x7f9c6e83bc1c]
[162589.945] (EE) 6: /usr/bin/X (CloseDownClient+0x5f) [0x7f9c6e8184df]
[162589.945] (EE) 7: /usr/bin/X (0x7f9c6e7c4000+0x55046) [0x7f9c6e819046]
[162589.945] (EE) 8: /usr/bin/X (0x7f9c6e7c4000+0x4456a) [0x7f9c6e80856a]
[162589.945] (EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5)
[0x7f9c6c4ffde5]
[162589.945] (EE) 10: /usr/bin/X (0x7f9c6e7c4000+0x448af) [0x7f9c6e8088af]
[162589.945] (EE)
[162589.945] (EE) Segmentation fault at address 0x7f9c00000338
[162589.945] (EE)
Fatal server error:
[162589.945] (EE) Caught signal 11 (Segmentation fault). Server aborting
[162589.945] (EE)
[162589.945] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[162589.945] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[162589.945] (EE)
[162590.544] (EE) Server terminated with error (1). Closing log file.
--
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https://bugs.launchpad.net/bugs/1256561
Title:
starting mathematica 9 crashes xserver
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1256561/+subscriptions
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