. Thread 8 (process 6916): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7d4cc07 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7b624fb in PR_Poll () from /usr/lib/libnspr4.so.0d #3 0xb71248cb in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #4 0x0811dd70 in ?? () #5 0x00000001 in ?? () #6 0xffffffff in ?? () #7 0x0811d000 in ?? () #8 0x0811e1fc in ?? () #9 0x0811dd70 in ?? () #10 0x5d796226 in ?? () #11 0xb7b157bc in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #12 0xffffffff in ?? () #13 0x0811db10 in ?? () #14 0xb5c47218 in ?? () #15 0xb7124ff3 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #16 0x0811d890 in ?? () #17 0x00000001 in ?? () #18 0xb5c47208 in ?? () #19 0x0811db10 in ?? () #20 0xb7b6f554 in ?? () from /usr/lib/libnspr4.so.0d #21 0x0811e110 in ?? () #22 0xb791d28d in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #23 0xb791d2c6 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #24 0x00000007 in ?? () #25 0x0811e110 in ?? () #26 0x0811dd74 in ?? () #27 0xb78865cd in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #28 0x0811e130 in ?? () #29 0x00000000 in ?? () . Thread 7 (process 6917): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7f00dd2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7b5f965 in ?? () from /usr/lib/libnspr4.so.0d #3 0x080aa98c in ?? () #4 0x080aa928 in ?? () #5 0xb540f28c in ?? () #6 0xb7f018c5 in pthread_getspecific () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7b60791 in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d #8 0xb788a2f0 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #9 0x080aa988 in ?? () #10 0x0000000a in ?? () #11 0x5d79622d in ?? () #12 0x5d79622d in ?? () #13 0x08143130 in ?? () #14 0x00000000 in ?? () . Thread 6 (process 6921): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7f00aa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7b60821 in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d #3 0xb768c32a in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #4 0x084cb640 in ?? () #5 0xffffffff in ?? () #6 0x00000000 in ?? () . Thread 5 (process 6922): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7f00aa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7b60821 in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d #3 0xb768d4c9 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #4 0x08529d10 in ?? () #5 0xffffffff in ?? () #6 0x00001b0a in ?? () #7 0x00001b0a in ?? () #8 0x00000001 in ?? () #9 0x084c7194 in ?? () #10 0x08554480 in ?? () #11 0xb7b6f554 in ?? () from /usr/lib/libnspr4.so.0d #12 0x08454b70 in ?? () #13 0x00000000 in ?? () . Thread 4 (process 6927): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7f00aa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7b60821 in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d #3 0xb7b60887 in PR_Wait () from /usr/lib/libnspr4.so.0d #4 0xb7885c22 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #5 0x0909a1f8 in ?? () #6 0xffffffff in ?? () #7 0x00530053 in ?? () #8 0x00530053 in ?? () #9 0x08143130 in ?? () #10 0x00000000 in ?? () . Thread 3 (process 6940): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7f00dd2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7b5f965 in ?? () from /usr/lib/libnspr4.so.0d #3 0x0811f244 in ?? () #4 0x0811f1e0 in ?? () #5 0xb20992fc in ?? () #6 0xb7f018c5 in pthread_getspecific () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7b60791 in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d #8 0xb712e816 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #9 0x0811f240 in ?? () #10 0x0000ea60 in ?? () #11 0x0811f1bc in ?? () #12 0x0811f1bc in ?? () #13 0x0811f1bc in ?? () #14 0x5d795232 in ?? () #15 0x0811f1e0 in ?? () #16 0xb7b157bc in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #17 0x00008020 in ?? () #18 0x0902c780 in ?? () #19 0xb20993a8 in ?? () #20 0xb712e8cd in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #21 0x0811f180 in ?? () #22 0xb2099394 in ?? () #23 0x0811f120 in ?? () #24 0x0811f120 in ?? () #25 0x0805b998 in ?? () #26 0x00000001 in ?? () #27 0xb79247ae in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #28 0xb7b60980 in PR_Unlock () from /usr/lib/libnspr4.so.0d Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 2 (process 6941): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7f00dd2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7b5f965 in ?? () from /usr/lib/libnspr4.so.0d #3 0x08383644 in ?? () #4 0x08382774 in ?? () #5 0xb0fb324c in ?? () #6 0xb7f018c5 in pthread_getspecific () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7b60791 in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d #8 0xb7b60887 in PR_Wait () from /usr/lib/libnspr4.so.0d #9 0xb7888986 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #10 0x08382770 in ?? () #11 0x0000ea60 in ?? () #12 0x00000001 in ?? () #13 0x00000001 in ?? () #14 0xb0fb32e4 in ?? () #15 0x00000000 in ?? () . Thread 1 (process 6915): #0 0xb7f22410 in __kernel_vsyscall () #1 0xb7f04d30 in raise () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb70ce264 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so #3 0x0000000b in ?? () #4 0xbf882b2c in ?? () #5 0x00000000 in ?? ()