NetworkManager crashed with SIGSEGV in g_type_check_instance_cast()

[Vish]

Binary package hint: network-manager

Crash occured while trying to reconnect to the wireless network.
Was using the wireless connection , suddenly the network got disconnected and after several re-connection attempts , The wireless wasnt connecting to my router , so while i went to restart the router , came back and noticed nm crash.

ProblemType: Crash
Architecture: i386
Date: Sat Aug 15 12:48:14 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/sbin/NetworkManager
Gconf:

IfupdownConfig:
 auto lo
 iface lo inet loopback
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)
ProcVersionSignature: Ubuntu 2.6.31-5.24-generic
SegvAnalysis:
 Segfault happened at: 0x2d5a58 <g_type_check_instance_cast+40>: mov (%esi),%edx
 PC (0x002d5a58) 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:
 g_type_check_instance_cast ()
 ?? ()
 g_hash_table_foreach () from /usr/lib/libglib-2.0.so.0
 nm_sysconfig_settings_get_connection_by_path ()
 ?? ()
Title: NetworkManager crashed with SIGSEGV in g_type_check_instance_cast()
Uname: Linux 2.6.31-5-generic i686
UserGroups: