[keyboard]: gnome-settings-daemon crashed with SIGSEGV in g_mutex_get_impl()

[frankvielma]

A weird error when screensaver was enabled.

Ubuntu 12.04 beta2

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gnome-settings-daemon 3.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
ApportVersion: 2.0.1-0ubuntu4
Architecture: i386
Date: Tue Apr 17 14:13:19 2012
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
ProcCmdline: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb709a0a5: mov (%eax),%esi
 PC (0xb709a0a5) ok
 source "(%eax)" (0x0869d730) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-settings-daemon
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_is_owner () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_invoke_full () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_invoke () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: [keyboard]: gnome-settings-daemon crashed with SIGSEGV in g_mutex_lock()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_mutex_get_impl (mutex=0x869d730) at /build/buildd/glib2.0-2.32.1/./glib/gthread-posix.c:119
 g_mutex_lock (mutex=0x869d730) at /build/buildd/glib2.0-2.32.1/./glib/gthread-posix.c:208
 g_main_context_is_owner (context=0x869d730) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3763
 g_main_context_invoke_full (context=0x869d730, priority=0, function=0xb72029f0 <g_settings_backend_invoke_closure>, data=0x88f5560, notify=0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:4813
 g_main_context_invoke (context=0x869d730, function=0xb72029f0 <g_settings_backend_invoke_closure>, data=0x88f5560) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:4776

[Launchpad Janitor (janitor)]

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