.
Thread 2 (process 6392):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7dac84c in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7df6093 in ?? () from /usr/lib/mozilla-thunderbird/libnspr4.so
#3  0x080869ac in ?? ()
#4  0x08097080 in ?? ()
#5  0xb5b4730c in ?? ()
#6  0xb7dad1b5 in pthread_getspecific ()
   from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb7df6ed1 in PR_WaitCondVar ()
   from /usr/lib/mozilla-thunderbird/libnspr4.so
#8  0xb7e86fe6 in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#9  0x080869a8 in ?? ()
#10 0x0003d8c2 in ?? ()
#11 0xb5b47378 in ?? ()
#12 0xb7e8477d in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#13 0x00000001 in ?? ()
#14 0x08086910 in ?? ()
#15 0x08097080 in ?? ()
#16 0xb7eb87c0 in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#17 0x08238560 in ?? ()
#18 0x0823856c in ?? ()
#19 0xb5b47398 in ?? ()
#20 0xb7e84ceb in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#21 0x080868e8 in ?? ()
#22 0x00000000 in ?? ()
.
Thread 1 (process 6386):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7db04f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08058596 in ?? ()
#3  0x0000000b in ?? ()
#4  0xbf863b5c in ?? ()
#5  0x00000000 in ?? ()