BETA 14.04 -- thunar crashed with SIGSEGV in g_slice_free1()

[codeslinger]

UbuntuStudio 64 bit, 14.04 BETA 1 (Alpha) Feb 24 + Updates

mount and unmount external usb disks several times
and then close thunar

I'm guessing it's trying to free an already freeed resource

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: thunar 1.6.3-1ubuntu3
ProcVersionSignature: Ubuntu 3.13.0-17.37-lowlatency 3.13.6
Uname: Linux 3.13.0-17-lowlatency x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Thu Mar 13 08:10:13 2014
ExecutablePath: /usr/bin/thunar
InstallationDate: Installed on 2014-03-10 (3 days ago)
InstallationMedia: Ubuntu-Studio 14.04 "Trusty Tahr" - Alpha amd64 (20140224)
ProcCmdline: Thunar --sm-client-id 280802b9d-b4a0-4265-a5e7-3d38e255cdad --daemon
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f9d8aa60bc5: mov 0x8(%rdx),%rax
 PC (0x7f9d8aa60bc5) ok
 source "0x8(%rdx)" (0x00000008) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: thunar
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_slice_free1 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_type_free_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_cclosure_marshal_VOID__OBJECTv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: thunar crashed with SIGSEGV in g_slice_free1()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Stacktrace:
 #0 0x00007f9d8aa60bc5 in ?? ()
 No symbol table info available.
 #1 0x0000000000000000 in ?? ()
 No symbol table info available.
StacktraceTop:
 ?? ()
 ?? ()

[Launchpad Janitor (janitor)]

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