xfdesktop crashed with SIGSEGV in g_type_check_instance_is_a()

[Cristina]

Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04
xfdesktop4:
  Instalados: 4.11.3-2ubuntu1
  Candidato: 4.11.3-2ubuntu1
  Tabla de versión:
 *** 4.11.3-2ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
        100 /var/lib/dpkg/status

After login wallpaper turns grey, and show this error.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xfdesktop4 4.11.3-2ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-15.35-generic 3.13.5
Uname: Linux 3.13.0-15-generic x86_64
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
CrashCounter: 1
CurrentDesktop: XFCE
Date: Thu Mar 6 09:38:10 2014
ExecutablePath: /usr/bin/xfdesktop
InstallationDate: Installed on 2014-02-28 (5 days ago)
InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140225)
ProcCmdline: xfdesktop
ProcEnviron:
 LANGUAGE=es_ES
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f3334641d6c <g_type_check_instance_is_a+60>: testb $0x4,0x16(%r8)
 PC (0x7f3334641d6c) ok
 source "$0x4" ok
 destination "0x16(%r8)" (0x3637312e30207b36) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: xfdesktop4
StacktraceTop:
 g_type_check_instance_is_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? ()
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: xfdesktop crashed with SIGSEGV in g_type_check_instance_is_a()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Launchpad Janitor (janitor)]

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

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_is_a (type_instance=type_instance@entry=0x7f3338583ee0, iface_type=<optimized out>) at /build/buildd/glib2.0-2.39.91/./gobject/gtype.c:3969
 xfdesktop_thumbnailer_queue_request_timer (thumbnailer=0x7f3338583ee0, thumbnailer@entry=<error reading variable: value has been optimized out>) at xfdesktop-thumbnailer.c:430
 g_timeout_dispatch (source=0x7f333855a8e0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.39.91/./glib/gmain.c:4472
 g_main_dispatch (context=0x7f3338519f70) at /build/buildd/glib2.0-2.39.91/./glib/gmain.c:3064
 g_main_context_dispatch (context=context@entry=0x7f3338519f70) at /build/buildd/glib2.0-2.39.91/./glib/gmain.c:3663

[Thaddaeus Tintenfisch (thad-fisch-deactivatedaccount)]

Possibly related to bug 1204675.

[rangerk (rskaskiw)]

having this problem too.

Executable Path
/usr/bin/xfdesktop

Package
xfdesktop4 4.11.8-0ubuntu0.1

ProblemType
Crash

Title
xfdesktop crashed with SIGSEGV in g_type_check_instance_is_a()

ApportVersion
2.14.1-0ubuntu3.10

Architecture
amd64

CurrentDesktop
XFCE

DistroRelease
Ubuntu 14.04