.
Thread 3 (process 5517):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7765893 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7dd4c29 in PR_Poll () from /usr/lib/libnspr4.so
#3  0xb71226db in ?? () from /usr/lib/firefox/components/libnecko.so
#4  0x080e45e8 in ?? ()
#5  0x00000001 in ?? ()
#6  0xffffffff in ?? ()
#7  0xb7dd84b8 in PR_GetCurrentThread () from /usr/lib/libnspr4.so
#8  0xb7122f15 in ?? () from /usr/lib/firefox/components/libnecko.so
#9  0x080e4100 in ?? ()
#10 0xb7037368 in ?? ()
#11 0xb7037358 in ?? ()
#12 0xb7dc320f in PR_SetThreadPrivate () from /usr/lib/libnspr4.so
#13 0xb7e6d1cb in ?? () from /usr/lib/firefox/libxpcom_core.so
#14 0x080e4100 in ?? ()
#15 0x00000001 in ?? ()
#16 0x00000001 in ?? ()
#17 0xb7de1554 in ?? () from /usr/lib/libnspr4.so
#18 0x080e4960 in ?? ()
#19 0x00000000 in ?? ()
.
Thread 2 (process 5522):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7da484c in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7dd2093 in ?? () from /usr/lib/libnspr4.so
#3  0x0808a264 in ?? ()
#4  0x08081eb8 in ?? ()
#5  0xb5d0930c in ?? ()
#6  0xb7da51b5 in pthread_getspecific ()
   from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb7dd2ed1 in PR_WaitCondVar () from /usr/lib/libnspr4.so
#8  0xb7e6f4c6 in ?? () from /usr/lib/firefox/libxpcom_core.so
#9  0x0808a260 in ?? ()
#10 0x00001387 in ?? ()
#11 0xb5d09378 in ?? ()
#12 0xb7e6cc5d in ?? () from /usr/lib/firefox/libxpcom_core.so
#13 0x00000001 in ?? ()
#14 0x08089e40 in ?? ()
#15 0x08081eb8 in ?? ()
#16 0xb7ea1940 in ?? () from /usr/lib/firefox/libxpcom_core.so
#17 0x081bf208 in ?? ()
#18 0x081bf214 in ?? ()
#19 0xb5d09398 in ?? ()
#20 0xb7e6d1cb in ?? () from /usr/lib/firefox/libxpcom_core.so
#21 0x08089e18 in ?? ()
#22 0x00000000 in ?? ()
.
Thread 1 (process 5515):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7da84f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08057836 in ?? ()
#3  0x0000000b in ?? ()
#4  0xbfa902dc in ?? ()
#5  0x00000000 in ?? ()