python3.3 crashed with SIGSEGV in g_object_ref()

[richard king]

Error came up after login

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: python3.3-minimal 3.3.2-3ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-5.10-generic 3.11.0
Uname: Linux 3.11.0-5-generic x86_64
ApportVersion: 2.12.1-0ubuntu3
Architecture: amd64
Date: Sat Aug 31 17:48:57 2013
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/python3.3
InstallationDate: Installed on 2013-08-31 (5 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130829)
MarkForUpload: True
ProcCmdline:
 python3 -cfrom\ Onboard.settings\ import\ Settings
 s\ =\ Settings(False)
SegvAnalysis:
 Segfault happened at: 0x7f86f40259d1 <g_object_ref+17>: cmpq $0x50,(%rax)
 PC (0x7f86f40259d1) ok
 source "$0x50" ok
 destination "(%rax)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: python3.3
StacktraceTop:
 g_object_ref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_hash_table_foreach () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
Title: python3.3 crashed with SIGSEGV in g_object_ref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_object_ref (_object=0x1eebea0) at /build/buildd/glib2.0-2.37.6/./gobject/gobject.c:3057
 g_hash_table_foreach (hash_table=0x1d3c060, func=func@entry=0x7f86f084deb0 <ref_accessible_hf>, user_data=user_data@entry=0x0) at /build/buildd/glib2.0-2.37.6/./glib/ghash.c:1526
 spi_cache_foreach (cache=<optimized out>, func=func@entry=0x7f86f084deb0 <ref_accessible_hf>, data=data@entry=0x0) at accessible-cache.c:417
 impl_GetItems (bus=<optimized out>, message=<optimized out>, user_data=<optimized out>) at cache-adaptor.c:317
 handle_other (pathstr=0x1a2c3e8 "/org/a11y/atspi/cache", member=0x1a2c438 "GetItems", iface=<optimized out>, path=0x1ec1600, message=0x1a286c0, bus=0x1e33ef0) at droute.c:553