--- stack trace --- #0 0xffffe410 in ?? () #1 0xbf977ee8 in ?? () #2 0x0000000b in ?? () #3 0x00001e38 in ?? () #4 0xb7dd8501 in raise () from /lib/tls/i686/cmov/libpthread.so.0 #5 0x08057846 in nsProfileLock::FatalSignalHandler (signo=11) at nsProfileLock.cpp:206 unblock_sigs = {__val = {1024, 0 }} oldact = #6 0xffffe420 in ?? () #7 0x0000000b in ?? () #8 0x00000033 in ?? () #9 0xc0100000 in ?? () #10 0x0000007b in ?? () #11 0xc010007b in ?? () #12 0x0947c910 in ?? () #13 0x00000000 in ?? () --- end of stack trace --- .