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

[Gerry Boland]

Running Unity2D with QT_ACCESSIBILITY=1. Also using Accerciser to inspect it.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.24.0-0ubuntu2b1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Fri Nov 18 17:27:53 2011
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: /usr/lib/unity/unity-panel-service
SegvAnalysis:
 Segfault happened at: 0x4058c2: cmp %rsi,(%rdx)
 PC (0x004058c2) ok
 source "%rsi" ok
 destination "(%rdx)" (0x737574617453) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? ()
 ?? () from /usr/lib/gtk-3.0/modules/libatk-bridge.so
 g_hash_table_foreach () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/gtk-3.0/modules/libatk-bridge.so
 ?? () from /usr/lib/gtk-3.0/modules/libatk-bridge.so
Title: unity-panel-service crashed with SIGSEGV in g_hash_table_foreach()
UpgradeStatus: Upgraded to oneiric on 2011-10-17 (32 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 panel_indicator_entry_accessible_get_n_children (accessible=<optimized out>) at /build/buildd/unity-4.24.0/services/panel-indicator-entry-accessible.c:256
 append_cache_item (obj=0x7fdaac41d920, data=0x7fff16f390e0) at cache-adaptor.c:154
 g_hash_table_foreach (hash_table=0xabd520, func=0x7fdab3317910 <append_accessible_hf+16>, user_data=0x7fff16f390e0) at /build/buildd/glib2.0-2.30.0/./glib/ghash.c:1420
 impl_GetItems (bus=<optimized out>, message=<optimized out>, user_data=<optimized out>) at cache-adaptor.c:306
 handle_other (pathstr=0x7fdaa00b7768 "/org/a11y/atspi/cache", member=<optimized out>, iface=<optimized out>, path=<optimized out>, message=0x7fdaa007e0e0, bus=0x7fdaa012b800) at droute.c:548

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Barneedhar (barneedhar)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #869816, so it 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. Feel free to continue to report any other bugs you may find.