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I've been getting random X crashes in Ubuntu 11.04 the last few days. This occurs both at work and at home, i.e. on a Lenovo T series Thinkpad and on an Acer Aspire 58x-series (if memory serves).

This is the backtrace in the Xorg.log from the most recent one:

Backtrace:
[   182.057] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab1b]
[   182.057] 1: /usr/bin/X (0x8048000+0x5fac8) [0x80a7ac8]
[   182.057] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xc6440c]
[   182.057] 3: /usr/bin/X (_CallCallbacks+0x3e) [0x8074e1e]
[   182.057] 4: /usr/bin/X (WriteToClient+0x267) [0x80a7607]
[   182.057] 5: /usr/lib/xorg/modules/extensions/libdri2.so                 (ProcDRI2WaitMSCReply+0x62) [0xc07bf2]
[   182.057] 6: /usr/lib/xorg/modules/extensions/libdri2.so (DRI2WaitMSCComplete+0x75) [0xc05fc5]
[   182.057] 7: /usr/lib/xorg/modules/drivers/intel_drv.so (0x2fd000+0x2261c)         
[0x31f61c]
[   182.057] 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x2fd000+0x87c2)      [0x3057c2]
[   182.057] 9: /lib/i386-linux-gnu/libdrm.so.2 (drmHandleEvent+0xf5) [0xd23665]
[   182.057] 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x2fd000+0x7927) [0x304927]
[   182.057] 11: /usr/bin/X (WakeupHandler+0x52) [0x8074602]
[   182.057] 12: /usr/bin/X (WaitForSomething+0x1ba) [0x80a1f3a]
[   182.057] 13: /usr/bin/X (0x8048000+0x27f1e) [0x806ff1e]
[   182.057] 14: /usr/bin/X (0x8048000+0x1a81c) [0x806281c]
[   182.057] 15: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xe7) [0x152e37]
[   182.057] 16: /usr/bin/X (0x8048000+0x1a411) [0x8062411]
[   182.057] Segmentation fault at address 0xb7464008
[   182.057]
Caught signal 11 (Segmentation fault). Server aborting
[   182.057]
Please consult the The X.Org Foundation support
     at http://wiki.x.org

I'm using Unity on both computers. The X crashes started yesterday or the day before yesterday. Maybe a broken update? The two computers have different graphics cards.

share|improve this question
    
Welcome to Ask Ubuntu! This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro May 5 '11 at 13:31
    
Thanks, Jorge! I tried to report the issue with the ubuntu-bug application. It informed me that as Ubuntu 11.04 is not a development version I should not file a bug but try to get technical assistance first ... and referred me here as the primary site for that. And now I'm told to file a bug :-) –  Carsten Agger May 10 '11 at 7:38
1  
I now reported a bug, hope it can help cornering a problem: bugs.launchpad.net/ubuntu/+source/xorg/+bug/780358 –  Carsten Agger May 10 '11 at 11:02
    
yeah, ironically sending you here is a bug that will be fixed, sorry for the confusion! –  Jorge Castro May 21 '11 at 2:22
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closed as off topic by Jorge Castro, Marco Ceppi May 21 '11 at 13:53

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