.
Thread 3 (process 10639):
#0  0xb7fb4410 in __kernel_vsyscall ()
#1  0xb753d6f3 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb6f3bc29 in PR_Poll () from /usr/lib/libnspr4.so
#3  0xb5c4d6cb in ?? () from /usr/lib/firefox/components/libnecko.so
#4  0x082184c0 in ?? ()
#5  0x00000001 in ?? ()
#6  0xffffffff in ?? ()
#7  0xb6f3f4a8 in PR_GetCurrentThread () from /usr/lib/libnspr4.so
#8  0xb5c4df02 in ?? () from /usr/lib/firefox/components/libnecko.so
#9  0x08217fd8 in ?? ()
#10 0xb59b6368 in ?? ()
#11 0xb59b6358 in ?? ()
#12 0xb6f2a20f in PR_SetThreadPrivate () from /usr/lib/libnspr4.so
#13 0xb74361cb in ?? () from /usr/lib/firefox/libxpcom_core.so
#14 0x08217fd8 in ?? ()
#15 0x00000001 in ?? ()
#16 0x00000001 in ?? ()
#17 0xb6f48554 in ?? () from /usr/lib/libnspr4.so
#18 0x08218848 in ?? ()
#19 0x00000000 in ?? ()
.
Thread 2 (process 10640):
#0  0xb7fb4410 in __kernel_vsyscall ()
#1  0xb76ac84c in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb6f39093 in ?? () from /usr/lib/libnspr4.so
#3  0x080ddecc in ?? ()
#4  0x080dde68 in ?? ()
#5  0xb46b230c in ?? ()
#6  0xb76ad1b5 in pthread_getspecific ()
   from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb6f39ed1 in PR_WaitCondVar () from /usr/lib/libnspr4.so
#8  0xb74384c6 in ?? () from /usr/lib/firefox/libxpcom_core.so
#9  0x080ddec8 in ?? ()
#10 0x000026ff in ?? ()
#11 0xb46b2378 in ?? ()
#12 0xb7435c5d in ?? () from /usr/lib/firefox/libxpcom_core.so
#13 0x00000001 in ?? ()
#14 0x080dddd0 in ?? ()
#15 0x080dde68 in ?? ()
#16 0xb746a940 in ?? () from /usr/lib/firefox/libxpcom_core.so
#17 0x08657fa8 in ?? ()
#18 0x08657fb4 in ?? ()
#19 0xb46b2398 in ?? ()
#20 0xb74361cb in ?? () from /usr/lib/firefox/libxpcom_core.so
#21 0x080ddda8 in ?? ()
#22 0x00000000 in ?? ()
.
Thread 1 (process 10638):
#0  0x08067d5b in ?? ()