notification-daemon crashed with signal 5 in g_return_if_fail_warning()

[Guybrush88]

i get this crash when i get notified of a download with ubuntu one
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: notification-daemon 0.7.3-1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic i686
ApportVersion: 2.0.1-0ubuntu1
Architecture: i386
Date: Wed Apr 11 11:27:07 2012
ExecutablePath: /usr/lib/notification-daemon/notification-daemon
ProcCmdline: /usr/lib/notification-daemon/notification-daemon
ProcEnviron:
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
Signal: 5
SourcePackage: notification-daemon
StacktraceTop:
 g_return_if_fail_warning () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_variant_get_boolean () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? ()
 g_cclosure_marshal_VOID__VOID () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: notification-daemon crashed with signal 5 in g_return_if_fail_warning()
UpgradeStatus: Upgraded to precise on 2012-03-13 (28 days ago)
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video

[Apport retracing service (apport)]

StacktraceTop:
 g_return_if_fail_warning (log_domain=0x91b12e "GLib", pretty_function=0x968e64 "g_variant_get_boolean", expression=0x9678c4 "g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN)") at /build/buildd/glib2.0-2.32.0/./glib/gmessages.c:801
 g_variant_get_boolean (value=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gvariant.c:369
 g_variant_get_boolean (value=0x9e470a8) at /build/buildd/glib2.0-2.32.0/./glib/gvariant.c:365
 on_bubble_destroyed (bubble=0x9ed0000, queue=0x9e37d18) at nd-queue.c:601
 g_cclosure_marshal_VOID__VOID (closure=0x9f440a0, return_value=0x0, n_param_values=1, param_values=0xbfff0080, invocation_hint=0xbfff0000, marshal_data=0x0) at /build/buildd/glib2.0-2.32.0/./gobject/gmarshal.c:85

[Launchpad Janitor (janitor)]

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

[Mark Poler (reg-ubuntusc)]

Just booted and logged in
Installed apt-p2p with Software Center
UbuntuOne is downloading a LibreOffice spreadsheet to this computer
opened /etc/apt/sources.list with less to peruse its contents

[AZ (m-dev)]

Debian (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=636323) has a patch available.