gvfsd-gphoto2 crashed with SIGSEGV in vfs_dir_monitor_destroyed()

[Christian Domsch]

Crash happened when trying to unmount my Samsung Galaxy Nexus.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gvfs-backends 1.11.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Thu Mar 15 13:27:00 2012
ExecutablePath: /usr/lib/gvfs/gvfsd-gphoto2
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: /usr/lib/gvfs/gvfsd-gphoto2 --spawner :1.1 /org/gtk/gvfs/exec_spaw/4
SegvAnalysis:
 Segfault happened at: 0x406b09: mov (%rbx),%rbp
 PC (0x00406b09) ok
 source "(%rbx)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: gvfsd-gphoto2 crashed with SIGSEGV in g_object_unref()
UpgradeStatus: Upgraded to precise on 2012-03-13 (2 days ago)
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 vfs_dir_monitor_destroyed (user_data=<optimized out>, where_the_object_was=0x7f8730001c00) at gvfsbackendgphoto2.c:3421
 weak_refs_notify (data=0x7f8730053c30) at /build/buildd/glib2.0-2.31.20/./gobject/gobject.c:2464
 g_object_unref (_object=0x7f8730001c00) at /build/buildd/glib2.0-2.31.20/./gobject/gobject.c:2981
 unref_monitor_timeout (data=<optimized out>) at gvfsjobcreatemonitor.c:214
 g_timeout_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3854