NetworkManager crashed with SIGSEGV in IA__g_type_check_instance_cast()

[U. B.]

Binary package hint: network-manager

The crash occurs when trying to connect to a wireless network. Standard Ethernet works fine.

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Tue Aug 11 07:32:14 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/sbin/NetworkManager
Gconf:

Package: network-manager 0.8~a~git.20090804t185522.4bab334-0ubuntu1
ProcCmdline: /usr/sbin/NetworkManager --pid-file /var/run/NetworkManager/NetworkManager.pid
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-5.24-generic
SegvAnalysis:
 Segfault happened at: 0xe77a58 <IA__g_type_check_instance_cast+40>: mov (%esi),%edx
 PC (0x00e77a58) ok
 source "(%esi)" (0x00000001) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: network-manager
StacktraceTop:
 IA__g_type_check_instance_cast (type_instance=0x1, iface_type=161626176)
 ?? ()
 IA__g_hash_table_foreach (hash_table=0x9a13ec0,
 nm_sysconfig_settings_get_connection_by_path ()
 ?? ()
Title: NetworkManager crashed with SIGSEGV in IA__g_type_check_instance_cast()
Uname: Linux 2.6.31-5-generic i686
UserGroups: