. Thread 10 (process 6628): #0 0xb7df2130 in nsCOMPtr_base::begin_assignment () from /usr/lib/firefox/libxpcom_core.so #1 0xb7e3f28e in ?? () from /usr/lib/firefox/libxpcom_core.so #2 0x00000002 in ?? () #3 0x00000002 in ?? () #4 0x00000000 in ?? () . Thread 9 (process 6630): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7734893 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7da3c29 in PR_Poll () from /usr/lib/libnspr4.so #3 0xb70f96db in ?? () from /usr/lib/firefox/components/libnecko.so #4 0x080e1cb0 in ?? () #5 0x00000001 in ?? () #6 0xffffffff in ?? () #7 0xb70f91bc in ?? () from /usr/lib/firefox/components/libnecko.so #8 0x080e17c8 in ?? () #9 0x00000001 in ?? () #10 0xe415d473 in ?? () #11 0xb718828c in ?? () from /usr/lib/firefox/components/libnecko.so #12 0xfffffff4 in ?? () #13 0xffffffff in ?? () #14 0xb700e378 in ?? () #15 0xb70f9f15 in ?? () from /usr/lib/firefox/components/libnecko.so #16 0x080e17c8 in ?? () #17 0xb700e368 in ?? () #18 0x00000001 in ?? () #19 0xb7d9220f in PR_SetThreadPrivate () from /usr/lib/libnspr4.so Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 8 (process 6636): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7734893 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7da3c29 in PR_Poll () from /usr/lib/libnspr4.so #3 0xb7daa62d in ?? () from /usr/lib/libnspr4.so #4 0xb4ce72fc in ?? () #5 0x00000001 in ?? () #6 0xffffffff in ?? () #7 0x00000000 in ?? () . Thread 7 (process 6649): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7d735c6 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7da1f61 in PR_WaitCondVar () from /usr/lib/libnspr4.so #3 0xb3408e0d in ?? () from /usr/lib/firefox/components/libstoragecomps.so #4 0xb332df98 in ?? () #5 0xffffffff in ?? () #6 0x00000400 in ?? () #7 0x00000000 in ?? () . Thread 6 (process 6654): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7d7384c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7da1093 in ?? () from /usr/lib/libnspr4.so #3 0xb33f5e44 in ?? () #4 0xb33f5de0 in ?? () #5 0xb21a730c in ?? () #6 0xb7d741b5 in pthread_getspecific () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7da1ed1 in PR_WaitCondVar () from /usr/lib/libnspr4.so #8 0xb193d1f7 in ?? () from /usr/lib/firefox/components/libpipnss.so #9 0xb33f5e40 in ?? () #10 0x000000fa in ?? () #11 0xafe1e198 in ?? () #12 0x00000001 in ?? () #13 0xb33ba330 in ?? () #14 0xb21a737b in ?? () #15 0x00000004 in ?? () #16 0x00000000 in ?? () . Thread 5 (process 6655): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7d7384c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7da1093 in ?? () from /usr/lib/libnspr4.so #3 0xb33f6014 in ?? () #4 0xb33f5fb0 in ?? () #5 0xb181d31c in ?? () #6 0xb7d741b5 in pthread_getspecific () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7da1ed1 in PR_WaitCondVar () from /usr/lib/libnspr4.so #8 0xb193df70 in ?? () from /usr/lib/firefox/components/libpipnss.so #9 0xb33f6010 in ?? () #10 0x000000fa in ?? () #11 0x0805c4a8 in ?? () #12 0x00000000 in ?? () . Thread 4 (process 6657): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7d735c6 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7da1f61 in PR_WaitCondVar () from /usr/lib/libnspr4.so #3 0xb7da1fc7 in PR_Wait () from /usr/lib/libnspr4.so #4 0xb7e3c331 in PL_WaitForEvent () from /usr/lib/firefox/libxpcom_core.so #5 0xb7e3dc09 in ?? () from /usr/lib/firefox/libxpcom_core.so #6 0x08c1cb08 in ?? () #7 0xb0cff384 in ?? () #8 0xb0cff358 in ?? () #9 0xb7e3d914 in ?? () from /usr/lib/firefox/libxpcom_core.so #10 0xb5d4896c in ?? () from /usr/lib/firefox/components/libtoolkitcomps.so #11 0x085b2590 in ?? () #12 0xb0cff398 in ?? () #13 0xb5d3e835 in ?? () from /usr/lib/firefox/components/libtoolkitcomps.so #14 0x08e8cf28 in ?? () #15 0xb0cff380 in ?? () #16 0xb5d48e48 in ?? () from /usr/lib/firefox/components/libtoolkitcomps.so #17 0x00000000 in ?? () . Thread 3 (process 6723): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7d7384c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7da1093 in ?? () from /usr/lib/libnspr4.so #3 0x0844aa8c in ?? () #4 0x0844aa28 in ?? () #5 0xaecfd32c in ?? () #6 0xb7d741b5 in pthread_getspecific () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7da1ed1 in PR_WaitCondVar () from /usr/lib/libnspr4.so #8 0xb70d4585 in ?? () from /usr/lib/firefox/components/libnecko.so #9 0x0844aa88 in ?? () #10 0x0000ea60 in ?? () #11 0xaecfd398 in ?? () #12 0x0844aa18 in ?? () #13 0x0844aa18 in ?? () #14 0xe415df51 in ?? () #15 0x0844aa28 in ?? () #16 0xb7db0554 in ?? () from /usr/lib/libnspr4.so #17 0x095d9768 in ?? () #18 0x00000001 in ?? () #19 0xaecfd3b8 in ?? () #20 0xb7da7e9d in ?? () from /usr/lib/libnspr4.so #21 0x0844a9f8 in ?? () #22 0x095d9768 in ?? () #23 0xb77abff4 in ?? () from /lib/tls/i686/cmov/libc.so.6 #24 0xb7d7dff4 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #25 0x00000000 in ?? () . Thread 2 (process 6724): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7734893 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb41c3039 in ?? () from /lib/tls/i686/cmov/libresolv.so.2 #3 0xac4f6b90 in ?? () #4 0x00000001 in ?? () #5 0x00001388 in ?? () #6 0x00004000 in ?? () #7 0xac4f6b40 in ?? () #8 0xac4f6b9c in ?? () #9 0xac4f6b88 in ?? () #10 0x00000000 in ?? () . Thread 1 (process 6635): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7d774f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0 #2 0x08057836 in ?? () #3 0x0000000b in ?? () #4 0xb5cbdefc in ?? () #5 0x00000000 in ?? ()