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

[Steve Langasek]

crash with auto-restart, no noticeable impact on the desktop

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: unity-services 6.0.0-0ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-6.6-generic 3.5.0
Uname: Linux 3.5.0-6-generic x86_64
ApportVersion: 2.4-0ubuntu6
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CrashCounter: 1
Date: Mon Jul 30 21:58:42 2012
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
ProcCmdline: /usr/lib/unity/unity-panel-service
SegvAnalysis:
 Segfault happened at: 0x7f495686c766 <g_dbus_proxy_call_internal+54>: mov (%rbx),%rdx
 PC (0x7f495686c766) ok
 source "(%rbx)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_dbus_proxy_call_internal (proxy=0xaaaaaaaaaaaaaaaa, method_name=0x7f49475f8a9a "AboutToShowGroup", parameters=0x7f4940407400, flags=G_DBUS_CALL_FLAGS_NONE, timeout_msec=-1, fd_list=fd_list@entry=0x0, cancellable=0x0, callback=callback@entry=0, user_data=user_data@entry=0x0) at /build/buildd/glib2.0-2.33.6/./gio/gdbusproxy.c:2705
 g_dbus_proxy_call (proxy=<optimized out>, method_name=<optimized out>, parameters=<optimized out>, flags=<optimized out>, timeout_msec=<optimized out>, cancellable=<optimized out>, callback=0, user_data=0x0) at /build/buildd/glib2.0-2.33.6/./gio/gdbusproxy.c:3017
 ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-glib.so.4
 g_main_dispatch (context=0x22448d0) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:2691
 g_main_context_dispatch (context=context@entry=0x22448d0) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3195
Title: unity-panel-service crashed with SIGSEGV in g_dbus_proxy_call_internal()
UpgradeStatus: Upgraded to quantal on 2012-06-11 (49 days ago)
UserGroups: adm admin cdrom dialout libvirtd lpadmin mythtv plugdev sambashare src sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_dbus_proxy_call_internal (proxy=0xaaaaaaaaaaaaaaaa, method_name=0x7f49475f8a9a <Address 0x7f49475f8a9a out of bounds>, parameters=0x7f4940407400, flags=G_DBUS_CALL_FLAGS_NONE, timeout_msec=-1, fd_list=fd_list@entry=0x0, cancellable=0x0, callback=callback@entry=0, user_data=user_data@entry=0x0) at /build/buildd/glib2.0-2.33.6/./gio/gdbusproxy.c:2705
 g_dbus_proxy_call (proxy=<optimized out>, method_name=<optimized out>, parameters=<optimized out>, flags=<optimized out>, timeout_msec=<optimized out>, cancellable=<optimized out>, callback=0, user_data=0x0) at /build/buildd/glib2.0-2.33.6/./gio/gdbusproxy.c:3017
 ?? ()
 ?? ()