--- thread stack trace ---
.
Thread 2 (process 5930):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7566893 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7e3cc29 in PR_Poll (pds=0xb27fd2fc, npds=1, timeout=4294967295) at ptio.c:3877
No locals.
#3  0xb7e4362d in WaitPidDaemonThread (unused=0x0) at uxproces.c:712
	pd = {fd = 0x8517ef0, in_flags = 1, out_flags = 1}
	fd = (PRFileDesc *) 0xfffffffc
	rv = <value optimized out>
	buf = "\000É8\bÿÿÿÿ", '\0' <repeats 20 times>, "ôß]·\020\000\200³Qtß·hÓ\177²0¾P·\020\000\200³H½\202³*\027\000\000 ñ]· L\022\b\204Ó\177²ü\207ß· ñ]· L\022\b\001\000\000\000H½\202³T\225ä·¨Ô\005\b\000\000\000\000xÓ\177²ð\213ß·\230Ó\177²À°ã·¨Ô\005\b¨Ó\177²"
	pid = -1
	status = 0
	op = <value optimized out>
#4  0xb7e40e9d in _pt_root (arg=0xb1b9bea0) at ptthread.c:220
No locals.
#5  0xb7df531b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0xb757057e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 5898):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7dfd4f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08058596 in nsProfileLock::FatalSignalHandler (signo=11) at nsProfileLock.cpp:206
	unblock_sigs = {__val = {1024, 0 <repeats 31 times>}}
	oldact = <value optimized out>
#3  <signal handler called>
#4  0x094207c1 in ?? ()
#5  0x096801c8 in ?? ()
#6  0x095f0af8 in ?? ()
#7  0xbfa5ea48 in ?? ()
#8  0xb6a2801c in ?? () from /usr/lib/mozilla-thunderbird/components/libmail.so
#9  0x095f0af8 in ?? ()
#10 0xb7e8e7c0 in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
No locals.
#11 0xbfa5ea68 in ?? ()
#12 0xb6807d05 in ~nsMsgSearchDBView (this=0x95f0ca4) at ../../../dist/include/xpcom/nsCOMArray.h:156
No locals.
Backtrace stopped: frame did not save the PC