Thunar crashed with SIGSEGV in g_utf8_validate()

Binary package hint: thunar

I was trying to mount a partition using Thunar when it crashed.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: thunar 1.2.1-3
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Wed Mar 2 14:17:37 2011
ExecutablePath: /usr/bin/Thunar
LiveMediaBuild: Xubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
ProcCmdline: Thunar --daemon
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xd4baa8 <g_utf8_validate+456>: cmpb $0x0,(%edx)
 PC (0x00d4baa8) ok
 source "$0x0" ok
 destination "(%edx)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: thunar
StacktraceTop:
 g_utf8_validate () from /lib/libglib-2.0.so.0
 g_filename_display_name () from /lib/libglib-2.0.so.0
 ?? ()
 ?? ()
 ?? ()
Title: Thunar crashed with SIGSEGV in g_utf8_validate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (xfce4-settings-helper:2797): GLib-CRITICAL **: g_str_has_prefix: assertion `prefix != NULL' failed
 (xfwm4:2686): GLib-CRITICAL **: g_str_has_prefix: assertion `prefix != NULL' failed
 (xfce4-indicator-plugin:2866): libindicator-WARNING **: IndicatorObject class does not have an accessible description.
 (xfce4-indicator-plugin:2866): libindicator-WARNING **: IndicatorObject class does not have an accessible description.
 (xfce4-indicator-plugin:2866): libxfce4panel-CRITICAL **: IA__xfce_panel_plugin_add_action_widget: assertion `GTK_IS_WIDGET (widget)' failed