Public bug reported:
I upgraded last week to Ubuntu 11.4.
Since that after working some minutes, from a certain point on, the
window-decorators of all windows are no more rendered
and in the /var/kern.log appears a couple of lines like following:
Apr 29 15:25:08 phx00080 kernel: [ 6533.890171] show_signal_msg: 24 callbacks
suppressed
Apr 29 15:25:08 phx00080 kernel: [ 6533.890180] unity-window-de[1787]: segfault
at 228 ip 0805be37 sp bfe63a90 error 6 in unity-window-decorator[8048000+17000]
...
[manual machine reboot]
...
May 2 08:36:47 phx00080 kernel: [ 2521.866814] show_signal_msg: 24 callbacks
suppressed
May 2 08:36:47 phx00080 kernel: [ 2521.866826] unity-window-de[1738]: segfault
at 228 ip 0805be37 sp bfdf6de0 error 6 in unity-window-decorator[8048000+17000]
...
[manual machine reboot]
...
May 2 09:49:15 phx00080 kernel: [ 4048.226159] show_signal_msg: 24 callbacks
suppressed
May 2 09:49:15 phx00080 kernel: [ 4048.226169] unity-window-de[1712]: segfault
at 228 ip 0805be37 sp bf937120 error 6 in unity-window-decorator[8048000+17000]
1)lsb_release -rd
Description: Ubuntu 11.04
Release: 11.04
2) I don't know which is the responsible package
apt-cache policy compiz
compiz:
Installed: 1:0.9.4+bzr20110415-0ubuntu2
Candidate: 1:0.9.4+bzr20110415-0ubuntu2
Version table:
*** 1:0.9.4+bzr20110415-0ubuntu2 0
500 http://de.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
100 /var/lib/dpkg/status
3) --
4) window-decorators of all windows are no more rendered, only the content of
the windows are shown.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/775430
Title:
kernel bug: segfault in in unity-window-decorator
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