.
Thread 2 (process 2138):
#0  0xb806e430 in __kernel_vsyscall ()
#1  0xb7dbfae7 in *__GI___poll (fds=0xb44fef58, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = <value optimized out>
	oldtype = 0
	result = <value optimized out>
#2  0xb7b96e2c in _pr_poll_with_poll (pds=0xb7910ce4, npds=1, 
    timeout=4294967295) at ptio.c:3916
	stack_syspoll = {{fd = 16, events = 1, revents = 0}, {
    fd = -1269829736, events = 32140, revents = -18425}, {fd = -1212714204, 
    events = 2667, revents = -19214}, {fd = 0, events = 0, revents = 0}, {
    fd = 0, events = 0, revents = 0}, {fd = 0, events = 0, revents = 0}, {
    fd = 0, events = -16396, revents = -18424}, {fd = -1215147012, 
    events = 15, revents = 0}, {fd = -1212723692, events = -4064, 
    revents = -19377}, {fd = -1269829672, events = 32140, revents = -18425}, {
    fd = -1212716954, events = 2688, revents = -19214}, {fd = 0, 
    events = -32696, revents = -18424}, {fd = 0, events = 0, revents = 0}, {
    fd = -1538124099, events = 22528, revents = -18543}, {fd = 86151349, 
    events = -16396, revents = -18424}, {fd = -1215147012, events = 15, 
    revents = 0}, {fd = -1269829548, events = -32595, revents = -18425}, {
    fd = 0, events = 0, revents = 0}, {fd = 5, events = 388, revents = 0}, {
    fd = 0, events = -32696, revents = -18424}, {fd = -1269829600, 
    events = 25124, revents = -18505}, {fd = -1451298417, events = 22528, 
    revents = -18543}, {fd = 88864652, events = 75, revents = 0}, {
    fd = -1212727692, events = 14704, revents = -18505}, {fd = -1207467329, 
    events = -3856, revents = -19377}, {fd = 0, events = 0, revents = 0}, {
    fd = 5, events = 250, revents = 0}, {fd = 0, events = 22528, 
    revents = -18543}, {fd = -1259206016, events = 25124, revents = -18505}, {
    fd = -1259232832, events = 1, revents = 0}, {fd = -1207386124, 
    events = -3697, revents = -22146}, {fd = -1214916168, events = -3776, 
    revents = -19377}, {fd = -1207467329, events = -3792, revents = -19377}, {
    fd = -1259232832, events = -3804, revents = -19377}, {fd = -1207384116, 
    events = 0, revents = 0}, {fd = 0, events = 5, revents = 0}, {fd = 0, 
    events = 1, revents = 0}, {fd = 0, events = 15, revents = 0}, {
    fd = -1269829372, events = -16396, revents = -18424}, {fd = -1215147012, 
    events = -7168, revents = -18539}, {fd = -1269829328, events = -3804, 
    revents = -19377}, {fd = 0, events = -32696, revents = -18424}, {
    fd = -1269829424, events = -3728, revents = -19377}, {fd = -1214916608, 
    events = 2688, revents = -19214}, {fd = -1269829408, events = 0, 
    revents = 0}, {fd = 0, events = 22528, revents = -18543}, {fd = 39498878, 
    events = 75, revents = 0}, {fd = -1212727692, events = -7168, 
    revents = -18539}, {fd = -1215219056, events = 421, revents = 0}, {
    fd = 0, events = 22196, revents = -18505}, {fd = -1215211520, 
    events = 277, revents = 0}, {fd = -1, events = -16396, revents = -18424}, 
  {fd = -1259249632, events = -10240, revents = -18539}, {fd = -1269829312, 
    events = -12677, revents = -18425}, {fd = -1214916168, events = 0, 
    revents = 0}, {fd = -1207690802, events = 5, revents = 0}, {fd = 0, 
    events = -3752, revents = -19377}, {fd = -1212526604, events = 19988, 
    revents = -18505}, {fd = 3, events = -3736, revents = -19377}, {
    fd = -1212526604, events = 0, revents = 0}, {fd = -1210626938, 
    events = -16411, revents = -18503}, {fd = -1269829284, events = 0, 
    revents = 0}, {fd = -1214916168, events = -19875, revents = -19182}, {
    fd = -1214372028, events = 0, revents = 0}}
	syspoll = (struct pollfd *) 0xb44fef58
	index = 1
	msecs = -1
	ready = 0
	start = 3025137488
	elapsed = <value optimized out>
#3  0xb512b35f in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#4  0xb512b854 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#5  0xb512bafe in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#6  0xb58adb92 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#7  0xb587e558 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#8  0xb512b577 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#9  0xb58adbf0 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#10 0xb587e558 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#11 0xb58ae339 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#12 0xb7b9b271 in _pt_root (arg=0xffffffff) at ptthread.c:221
	detached = 1
#13 0xb80404ff in start_thread (arg=0xb44ffb90) at pthread_create.c:297
	__res = <value optimized out>
	__ignore1 = <value optimized out>
	__ignore2 = <value optimized out>
	pd = (struct pthread *) 0xb44ffb90
	now = <value optimized out>
	unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1207631884, 0, 0, 
        -1269828440, 1052383475, -1454110997}, mask_was_saved = 0}}, priv = {
    pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
      canceltype = 0}}}
	not_first_call = <value optimized out>
	robust = <value optimized out>
#14 0xb7dca49e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (process 2134):
#0  0xb806e430 in __kernel_vsyscall ()
#1  0xb80484b0 in raise (sig=11)
    at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:42
	resultvar = 11
#2  0xb50afa55 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#3  <signal handler called>
#4  __pthread_mutex_lock (mutex=0xfeedbeef) at pthread_mutex_lock.c:51
	oldval = <value optimized out>
	retval = <value optimized out>
	__PRETTY_FUNCTION__ = "__pthread_mutex_lock"
#5  0xb7b95072 in PR_Lock (lock=0xfeedbeef) at ptsynch.c:206
No locals.
#6  0xb50c9984 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#7  0xb50c9f7c in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#8  0xb50b6b17 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#9  0xb50b6b99 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#10 0xb50b6d22 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#11 0xb50cc450 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#12 0xb587f294 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#13 0xb58a8245 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#14 0xb58a92ae in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#15 0xb587a36d in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#16 0xb587a3ba in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#17 0xb5879a33 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#18 0xb56d8116 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#19 0xb56d9ead in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#20 0xb56da489 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#21 0xb56d74ab in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#22 0xb56d388e in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#23 0xb587f294 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#24 0xb58a8245 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#25 0xb58a92ae in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#26 0xb587a36d in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#27 0xb587a3ba in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#28 0xb5879a33 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#29 0xb50a77e9 in ?? () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#30 0xb50a99c8 in XRE_main () from /usr/lib/xulrunner-1.9.1b3/libxul.so
#31 0x08049b8b in ?? ()
#32 0xb7cfc775 in __libc_start_main (main=0x80497b4 <strcmp@plt+252>, argc=1, 
    ubp_av=0xbf88b3d4, init=0x8058f90, fini=0x8058f80, 
    rtld_fini=0xb807d870 <_dl_fini>, stack_end=0xbf88b3cc) at libc-start.c:220
	result = <value optimized out>
	unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1209774092, 134582160, 
        134518480, -1081560152, -1338296092, 1054076148}, 
      mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0xb80829b0, 0xb7cfc69d}, 
    data = {prev = 0x0, cleanup = 0x0, canceltype = -1207424592}}}
	not_first_call = <value optimized out>
#33 0x080496f1 in ?? ()