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Binary package hint: gdm

After today's update of gdm from 2.28.1-0ubuntu2 to 2.28.1-0ubuntu2.1, my X11 sever crashed 2 times in a row randomly, after about 15 minutes of usage. After the crash, gdm restarted with the login windows, as if I had gently logout.
There were no messages in /var/log/messages, but one in /var/log/gdm.

[...]
../../../libdrm/intel/intel_bufmgr_gem.c:708: Error mapping buffer 65299 (pixmap): Cannot allocate memory .
(WW) intel(0): i830_uxa_prepare_access: bo map failed

Backtrace:
0: /usr/bin/X(xorg_backtrace+0x3b) [0x8133d6b]
1: /usr/bin/X(xf86SigHandler+0x55) [0x80c7d35]
2: [0xc35400]
3: /usr/lib/xorg/modules//libfb.so(fbCopyNtoN+0x24c) [0x30c7cc]
4: /usr/lib/xorg/modules/drivers//intel_drv.so(uxa_copy_n_to_n+0x74a) [0x2cd9fa]
5: /usr/lib/xorg/modules//libfb.so(fbCopyRegion+0x21b) [0x30b76b]
6: /usr/lib/xorg/modules//libfb.so(fbDoCopy+0x44d) [0x30bc8d]
7: /usr/lib/xorg/modules/drivers//intel_drv.so(uxa_copy_area+0x98) [0x2cd258]
8: /usr/bin/X [0x8181593]
9: /usr/bin/X(ProcCopyArea+0x165) [0x808b4c5]
10: /usr/bin/X(Dispatch+0x35f) [0x808d17f]
11: /usr/bin/X(main+0x395) [0x8072515]
12: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x471b56]
13: /usr/bin/X [0x80719c1]
Saw signal 11.  Server aborting.
(II) AT Translated Set 2 keyboard: Close
(II) Video Bus: Close
(II) Sleep Button: Close
(II) Power Button: Close
(II) Power Button: Close
(II) PS/2 Mouse: Close
(II) Macintosh mouse button emulation: Close
(II) AIGLX: Suspending AIGLX clients for VT switch
Dropping master
 ddxSigGiveUp: Closing log
 ddxSigGiveUp: re-raising 11

After downgrading back to version 2.28.1-0ubuntu2, I didn't experiment
any more crash.

Gilles

$ apt-cache policy gdm
gdm:
  Installed: 2.28.1-0ubuntu2
  Candidate: 2.28.1-0ubuntu2.1
  Version table:
     2.28.1-0ubuntu2.1 0
        500 http://ie.archive.ubuntu.com karmic-proposed/main Packages
 *** 2.28.1-0ubuntu2 0
        500 http://ie.archive.ubuntu.com karmic-updates/main Packages
        100 /var/lib/dpkg/status
     2.28.1-0ubuntu1 0
        500 http://ie.archive.ubuntu.com karmic/main Packages

ProblemType: Bug
Architecture: i386
Date: Wed Dec  9 11:23:07 2009
DistroRelease: Ubuntu 9.10
Package: gdm 2.28.1-0ubuntu2
ProcEnviron:
 LC_TIME=fr_FR.UTF-8
 LANGUAGE=en_US.UTF-8
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-16.52-generic
SourcePackage: gdm
Uname: Linux 2.6.31-16-generic i686

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


** Tags: apport-bug i386
-- 
X11 server randomly crashes after gdm upgrade
https://bugs.edge.launchpad.net/bugs/494448
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