. Thread 12 (process 20654): #0 0xffffe410 in ?? () #1 0xb6ff10a8 in ?? () #2 0xffffffff in ?? () #3 0x00000001 in ?? () #4 0xb7780c53 in poll () from /lib/tls/i686/cmov/libc.so.6 #5 0xb7e5fb69 in PR_Poll () from /usr/lib/libnspr4.so.0d #6 0xb70dc70b in ?? () from /usr/lib/firefox/components/libnecko.so #7 0x080dea10 in ?? () #8 0x00000001 in ?? () #9 0xffffffff in ?? () #10 0xb70dc1ec in ?? () from /usr/lib/firefox/components/libnecko.so #11 0x080de528 in ?? () #12 0x00000001 in ?? () #13 0x6953ba25 in ?? () #14 0xb716b29c in ?? () from /usr/lib/firefox/components/libnecko.so #15 0xfffffff4 in ?? () #16 0xffffffff in ?? () #17 0xb6ff1378 in ?? () #18 0xb70dcf45 in ?? () from /usr/lib/firefox/components/libnecko.so #19 0x080de528 in ?? () #20 0xb6ff1368 in ?? () #21 0x00000001 in ?? () #22 0xb7e4e10f in PR_SetThreadPrivate () from /usr/lib/libnspr4.so.0d Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 11 (process 20655): #0 0xffffe410 in ?? () #1 0xb663f30c in ?? () #2 0x00000caf in ?? () #3 0x00000000 in ?? () . Thread 10 (process 20658): #0 0xffffe410 in ?? () #1 0xb519c32c in ?? () #2 0x00000112 in ?? () #3 0x00000000 in ?? () . Thread 9 (process 20659): #0 0xffffe410 in ?? () #1 0xb450c30c in ?? () #2 0x0000020b in ?? () #3 0x00000000 in ?? () . Thread 8 (process 20660): #0 0xffffe410 in ?? () #1 0xb3d0b31c in ?? () #2 0x0000020b in ?? () #3 0x00000000 in ?? () . Thread 7 (process 20661): #0 0xffffe410 in ?? () #1 0xb32971b8 in ?? () #2 0x00000001 in ?? () #3 0x00000000 in ?? () . Thread 6 (process 20671): #0 0xffffe410 in ?? () #1 0xb2a9632c in ?? () #2 0x00000110 in ?? () #3 0x00000000 in ?? () . Thread 5 (process 20672): #0 0xffffe410 in ?? () #1 0xb1a422f8 in ?? () #2 0x00000011 in ?? () #3 0x00000000 in ?? () . Thread 4 (process 20673): #0 0xffffe410 in ?? () #1 0xb11a832c in ?? () #2 0x00000114 in ?? () #3 0x00000000 in ?? () . Thread 3 (process 20674): #0 0xffffe410 in ?? () #1 0xb09a732c in ?? () #2 0x0000010e in ?? () #3 0x00000000 in ?? () . Thread 2 (process 20675): #0 0xffffe410 in ?? () #1 0xb01a62ec in ?? () #2 0x0000000b in ?? () #3 0x00000000 in ?? () . Thread 1 (process 20652): #0 0xffffe410 in ?? () #1 0xbfcc0b88 in ?? () #2 0x0000000b in ?? () #3 0x000050ac in ?? () #4 0xb7e33501 in raise () from /lib/tls/i686/cmov/libpthread.so.0 #5 0x08057846 in ?? () #6 0x0000000b in ?? () #7 0xbfcc0b9c in ?? () #8 0x00000000 in ?? ()