unity-panel-service crashed with SIGSEGV in g_type_check_instance_cast()

[Steffen Röcker]

Crashed after moving some files in nautilus.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.24.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
Date: Thu Oct 20 22:20:46 2011
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100803.1)
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=de_DE.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7ce198 <g_type_check_instance_cast+56>: mov (%eax),%ebp
 PC (0x007ce198) ok
 source "(%eax)" (0x00000020) not located in a known VMA region (needed readable region)!
 destination "%ebp" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/libdbusmenu-gtk3.so.4
 ?? () from /usr/lib/libdbusmenu-gtk3.so.4
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: Upgraded to oneiric on 2011-08-07 (74 days ago)
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:1799): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:1799): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:1799): Eel-WARNING **: "unique eel_ref_str" hash table still has 4 elements at quit time (keys above)
 (nautilus:1799): Eel-WARNING **: "nautilus-directory.c: directories" hash table still has 1 element at quit time (keys above)
 (gnome-settings-daemon:1750): libappindicator-WARNING **: Unable to connect to the Notification Watcher: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name :1.79 was not provided by any .service files

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #876787, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.