nwn server hung

(gdb) bt
#0  0x080d6e2c in CNWSArea::ComputeSafeLocationInDirection(Vector, Vector, float, CPathfindInformation *, int, Vector *) ()
#1  0x081386e0 in CNWSCreature::BumpFriends(CNWSCreature *, Vector const &, Vector const &) ()
#2  0x0810516c in CNWSCreature::WalkUpdateLocationTestDistance(Vector, Vector) ()
#3  0x08104c57 in CNWSCreature::WalkUpdateLocationDistance(float, Vector *, Vector *, CExoArrayList<unsigned long> *) ()
#4  0x081043a0 in CNWSCreature::WalkUpdateLocation(void) ()
#5  0x0810353f in CNWSCreature::AIActionMoveToPoint(CNWSObjectActionNode *) ()
#6  0x081c220f in CNWSObject::RunActions(unsigned long, unsigned long, unsigned long long) ()
#7  0x08119285 in CNWSCreature::AIUpdate(void) ()
#8  0x08096161 in CServerAIMaster::UpdateState(void) ()
#9  0x080a0530 in CServerExoAppInternal::MainLoop(void) ()
#10 0x0804bbe7 in main ()
(gdb)