pantheon-files crashed with SIGSEGV in g_type_check_instance()

It crashed randomly when I had browsed a folder. I don't really know what happened or how to reproduce it, it's working fine now

ProblemType: Crash
DistroRelease: elementary 0.2
Package: pantheon-files 0.1-0~r941+pkg9~precise1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
Uname: Linux 3.2.0-30-generic x86_64
ApportVersion: 2.0.1-0ubuntu12+elementary3~precise1
Architecture: amd64
CrashDB: pantheon_files
Date: Sun Sep 9 11:10:28 2012
ExecutablePath: /usr/bin/pantheon-files
InstallationMedia: elementary OS 0.2 "Luna" - Build amd64 LIVE Binary 20120902-20:44
ProcCmdline: pantheon-files /home/username/Downloads
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f77bb0181b5 <g_type_check_instance+21>: mov (%rax),%rdi
 PC (0x7f77bb0181b5) ok
 source "(%rax)" (0xffaaaaaaffa9a9a9) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: pantheon-files
StacktraceTop:
 g_type_check_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: pantheon-files crashed with SIGSEGV in g_type_check_instance()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo