(gdb) thread apply all bt

Thread 6 (Thread 1102134192 (LWP 13249)):
#0  0xffffe410 in ?? ()
#1  0x41b137a8 in ?? ()
#2  0xffffffff in ?? ()
#3  0x00000001 in ?? ()
#4  0x408678f4 in *__GI___poll (fds=0x408cab80, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:86
#5  0x4018a399 in _pr_poll_with_poll (pds=0x80faf54, npds=1,
    timeout=4294967295) at ptio.c:3902
#6  0x40bd8f94 in NSGetModule ()
   from /usr/lib/MozillaFirefox/components/libnecko.so
#7  0x40bd95a9 in NSGetModule ()
   from /usr/lib/MozillaFirefox/components/libnecko.so
#8  0x4012210b in nsThread::Main () from /usr/lib/MozillaFirefox/libxpcom.so
#9  0x4018b9e1 in _pt_root (arg=0x1) at ptthread.c:214
#10 0x401b4acc in start_thread (arg=0xfffffffc) at pthread_create.c:264
#11 0x408703fa in clone () from /lib/libc.so.6

Thread 5 (Thread 1118428080 (LWP 13250)):
#0  0xffffe410 in ?? ()
#1  0x42a9da00 in ?? ()
#2  0x0000005c in ?? ()
#3  0x00000000 in ?? ()
#4  0x401b6c30 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:166
#5  0x401861d6 in pt_TimedWait (cv=0xfffffffc, ml=0xfffffffc,
    timeout=835209000) at ptsynch.c:264
#6  0x401863fe in PR_WaitCondVar (cvar=0x81778a8, timeout=60000)
    at ptsynch.c:391
#7  0x40bb9daf in NSGetModule ()
   from /usr/lib/MozillaFirefox/components/libnecko.so
#8  0x4018b9e1 in _pt_root (arg=0x8177838) at ptthread.c:214
#9  0x401b4acc in start_thread (arg=0xfffffffc) at pthread_create.c:264
#10 0x408703fa in clone () from /lib/libc.so.6

Thread 4 (Thread 1126820784 (LWP 13251)):
#0  0xffffe410 in ?? ()
#1  0x4329e9e0 in ?? ()
#2  0x00000525 in ?? ()
#3  0x00000000 in ?? ()
#4  0x401b6c30 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:166
#5  0x401861d6 in pt_TimedWait (cv=0xfffffffc, ml=0xfffffffc,
    timeout=969091000) at ptsynch.c:264
#6  0x401863fe in PR_WaitCondVar (cvar=0x80f9428, timeout=834925)
    at ptsynch.c:391
#7  0x40124ddd in TimerThread::UpdateFilter ()
   from /usr/lib/MozillaFirefox/libxpcom.so
#8  0x4012210b in nsThread::Main () from /usr/lib/MozillaFirefox/libxpcom.so
#9  0x4018b9e1 in _pt_root (arg=0x8175d60) at ptthread.c:214
#10 0x401b4acc in start_thread (arg=0xfffffffc) at pthread_create.c:264
#11 0x408703fa in clone () from /lib/libc.so.6

Thread 3 (Thread 1139063728 (LWP 13256)):
#0  0xffffe410 in ?? ()
#1  0x43e4ba00 in ?? ()
#2  0x0000005d in ?? ()
#3  0x00000000 in ?? ()
#4  0x401b6c30 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:166
#5  0x401861d6 in pt_TimedWait (cv=0xfffffffc, ml=0xfffffffc,
    timeout=839422000) at ptsynch.c:264
#6  0x401863fe in PR_WaitCondVar (cvar=0x81778a8, timeout=60000)
    at ptsynch.c:391
#7  0x40bb9daf in NSGetModule ()
   from /usr/lib/MozillaFirefox/components/libnecko.so
#8  0x4018b9e1 in _pt_root (arg=0x8177838) at ptthread.c:214
#9  0x401b4acc in start_thread (arg=0xfffffffc) at pthread_create.c:264
#10 0x408703fa in clone () from /lib/libc.so.6

Thread 2 (Thread 1156467632 (LWP 13257)):
#0  0xffffe410 in ?? ()
#1  0x44ee4a00 in ?? ()
#2  0x0000005e in ?? ()
#3  0x00000000 in ?? ()
#4  0x401b6c30 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:166
#5  0x401861d6 in pt_TimedWait (cv=0xfffffffc, ml=0xfffffffc,
    timeout=909596000) at ptsynch.c:264
#6  0x401863fe in PR_WaitCondVar (cvar=0x81778a8, timeout=60000)
    at ptsynch.c:391
#7  0x40bb9daf in NSGetModule ()
   from /usr/lib/MozillaFirefox/components/libnecko.so
#8  0x4018b9e1 in _pt_root (arg=0x8177838) at ptthread.c:214
#9  0x401b4acc in start_thread (arg=0xfffffffc) at pthread_create.c:264
#10 0x408703fa in clone () from /lib/libc.so.6

Thread 1 (Thread 1084262512 (LWP 13248)):
#0  0x4107c1f0 in non-virtual thunk to nsHTMLFormElement::GetElementCount(unsigned int*) const () from /usr/lib/MozillaFirefox/components/libgklayout.so
#1  0x08a68470 in ?? ()
#2  0xe46ce220 in ?? ()
#3  0xbfffe938 in ?? ()
#4  0x4360ba6e in NSGetModule ()
   from /usr/lib/MozillaFirefox/components/libtoolkitcomps.so
Previous frame identical to this frame (corrupt stack?)
#0  0x4107c1f0 in non-virtual thunk to nsHTMLFormElement::GetElementCount(unsigned int*) const () from /usr/lib/MozillaFirefox/components/libgklayout.so