.
Thread 3 (process 13121):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7536893 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7e0cc29 in PR_Poll () from /usr/lib/mozilla-thunderbird/libnspr4.so
#3  0xb71b817c in ?? ()
   from /usr/lib/mozilla-thunderbird/components/libnecko.so
#4  0x080e4098 in ?? ()
#5  0x00000001 in ?? ()
#6  0xffffffff in ?? ()
#7  0xb71b7c8c in ?? ()
   from /usr/lib/mozilla-thunderbird/components/libnecko.so
#8  0x080e3bb0 in ?? ()
#9  0x080e4098 in ?? ()
#10 0x00000001 in ?? ()
#11 0xb722c938 in ?? ()
   from /usr/lib/mozilla-thunderbird/components/libnecko.so
#12 0xffffffff in ?? ()
#13 0xffffffff in ?? ()
#14 0xb7146378 in ?? ()
#15 0xb71b8965 in ?? ()
   from /usr/lib/mozilla-thunderbird/components/libnecko.so
#16 0x080e3bb0 in ?? ()
#17 0xb7146368 in ?? ()
#18 0x00000001 in ?? ()
#19 0xb7dfb20f in PR_SetThreadPrivate ()
   from /usr/lib/mozilla-thunderbird/libnspr4.so
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 2 (process 13126):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7dc984c in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7e0a093 in ?? () from /usr/lib/mozilla-thunderbird/libnspr4.so
#3  0x08086564 in ?? ()
#4  0x08096990 in ?? ()
#5  0xb5c7030c in ?? ()
#6  0xb7dca1b5 in pthread_getspecific ()
   from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb7e0aed1 in PR_WaitCondVar ()
   from /usr/lib/mozilla-thunderbird/libnspr4.so
#8  0xb7e99fe6 in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#9  0x08086560 in ?? ()
#10 0x00003a8d in ?? ()
#11 0xb5c70378 in ?? ()
#12 0xb7e9777d in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#13 0x00000001 in ?? ()
#14 0x08086028 in ?? ()
#15 0x08096990 in ?? ()
#16 0xb7ecb7c0 in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#17 0x0820b038 in ?? ()
#18 0x0820b044 in ?? ()
#19 0xb5c70398 in ?? ()
#20 0xb7e97ceb in ?? () from /usr/lib/mozilla-thunderbird/libxpcom_core.so
#21 0x08086000 in ?? ()
#22 0x00000000 in ?? ()
.
Thread 1 (process 13120):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7dcd4f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08058596 in ?? ()
#3  0x0000000b in ?? ()
#4  0xbf834cfc in ?? ()
#5  0x00000000 in ?? ()