Public bug reported:
My up-to-date 8.04.1 with 2.6.24-19-generic Kernel showed some serious
instability - somehow related to dbus.
In the last 2 days 3 times errors related to dbus occurred.
1. System Frozen for hours. (First i thought this was a oom, but this time it
showed that dbus-daemon failed for some reason.)
2. Once my gnome-panel suddenly disappeared, returned without some tray
applications, and moments later firefox crashed.
(firefox:26834): GLib-GObject-WARNING **: invalid (NULL) pointer
instance
(firefox:26834): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion
`G_TYPE _CHECK_INSTANCE (instance)' failed
Segmentation fault
Right before that this must have happened:
dbus-daemon[15362]: segfault at b8080738 eip b7e1fd2a esp bfaeb48c
error
dbus-daemon was not running anymore, and did not recover (restart) by
itself. AFTER that dbus crash, other applications crashed also.
3. System Frozen except for the Mouse Pointer. The only way out was
pressing the power button (pressing it for quite some time...)
/var/log/messages shows this at the time of freeze:
dhcdbd: Shut down.
kernel: [102447.054258] dbus-daemon[15362]: segfault at b8080738 eip b7e1fd2a
esp bfaeb48c error 4
dhcdbd: Started up.
After that some other applications crashed also. As indicated by the
message log.
** Affects: ubuntu
Importance: Undecided
Status: New
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dbus-daemon segfaults - input frozen
https://bugs.launchpad.net/bugs/258856
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