. Thread 4 (process 15195): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7ee9676 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb4c18a5f in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #3 0x09b73e68 in ?? () #4 0x08b66bb0 in ?? () #5 0x00000000 in ?? () . Thread 3 (process 15196): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7ee9676 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb4be8a53 in ?? () from /usr/lib/libgstaudio-0.10.so.0 #3 0x09b0c708 in ?? () #4 0x09db4488 in ?? () #5 0x00000001 in ?? () #6 0xb7c622e4 in g_type_check_instance_is_a () from /usr/lib/libgobject-2.0.so.0 #7 0xb4be913b in gst_ring_buffer_commit_full () from /usr/lib/libgstaudio-0.10.so.0 #8 0xb4be0d31 in ?? () from /usr/lib/libgstaudio-0.10.so.0 #9 0x09abcd88 in ?? () #10 0xb4a795e8 in ?? () #11 0x09e4e130 in ?? () #12 0x00000403 in ?? () #13 0x00000403 in ?? () #14 0xb4a795f4 in ?? () #15 0xb4a795e0 in ?? () #16 0xb4a795d8 in ?? () #17 0x08a91f30 in ?? () #18 0x08a91f30 in ?? () #19 0xb4a79378 in ?? () #20 0xb7c622e4 in g_type_check_instance_is_a () from /usr/lib/libgobject-2.0.so.0 #21 0xb6949468 in ?? () from /usr/lib/libgstbase-0.10.so.0 #22 0x08f245b0 in ?? () #23 0x099db518 in ?? () #24 0x30b8a000 in ?? () #25 0x00000346 in ?? () #26 0x3510e492 in ?? () #27 0x0000001f in ?? () #28 0xb4a79778 in ?? () #29 0xb4a79770 in ?? () #30 0x09a5d908 in ?? () #31 0x081cfb00 in ?? () #32 0x0000003c in ?? () #33 0xb7c77678 in ?? () from /usr/lib/libgobject-2.0.so.0 #34 0xb7c77678 in ?? () from /usr/lib/libgobject-2.0.so.0 #35 0xb68e3cb0 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #36 0xb4a796d8 in ?? () #37 0xb7c6795a in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0 #38 0xb694ae25 in ?? () from /usr/lib/libgstbase-0.10.so.0 #39 0x09959330 in ?? () #40 0x099edec8 in ?? () #41 0x099edf18 in ?? () #42 0x00000048 in ?? () #43 0x08777e10 in ?? () #44 0x08501720 in ?? () #45 0x09959f68 in ?? () #46 0xb693e248 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #47 0xb7e91015 in ?? () from /lib/tls/i686/cmov/libc.so.6 #48 0x00000000 in ?? () . Thread 2 (process 15381): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7e31647 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb4d34d74 in snd_pcm_wait_nocheck () from /usr/lib/libasound.so.2 #3 0xb4d34f5f in snd_pcm_wait () from /usr/lib/libasound.so.2 #4 0xb4d36f18 in snd_pcm_write_areas () from /usr/lib/libasound.so.2 #5 0xb4d4150c in snd_pcm_mmap_writei () from /usr/lib/libasound.so.2 #6 0xb4d2f335 in snd_pcm_writei () from /usr/lib/libasound.so.2 #7 0xb4ab3e87 in ?? () from /usr/lib/gstreamer-0.10/libgstalsa.so #8 0x09a3a600 in ?? () #9 0x09b4a5f8 in ?? () #10 0x000003ac in ?? () #11 0xb4be7e9f in gst_ring_buffer_prepare_read () from /usr/lib/libgstaudio-0.10.so.0 #12 0xb4bddd6a in ?? () from /usr/lib/libgstaudio-0.10.so.0 #13 0x08f245b0 in ?? () #14 0x09b4a5f8 in ?? () #15 0x00001d60 in ?? () #16 0xb4279398 in ?? () #17 0x0818be58 in ?? () #18 0x0818be58 in ?? () #19 0x00000001 in ?? () #20 0x09a8b270 in ?? () #21 0x0818be58 in ?? () #22 0xb7eeb832 in sem_post@GLIBC_2.0 () from /lib/tls/i686/cmov/libpthread.so.0 #23 0xb4279398 in ?? () #24 0xb4279394 in ?? () #25 0xb4279390 in ?? () #26 0xb4bec006 in ?? () from /usr/lib/libgstaudio-0.10.so.0 #27 0xb4bebd3c in ?? () from /usr/lib/libgstaudio-0.10.so.0 #28 0xb4bec006 in ?? () from /usr/lib/libgstaudio-0.10.so.0 #29 0x08f245b0 in ?? () #30 0xb4ab3de0 in ?? () from /usr/lib/gstreamer-0.10/libgstalsa.so #31 0xb7c39f5a in ?? () from /usr/lib/libgthread-2.0.so.0 #32 0x00000007 in ?? () #33 0x09b4a5f8 in ?? () #34 0x00001d60 in ?? () #35 0xb7c2e21c in ?? () from /usr/lib/libglib-2.0.so.0 #36 0x098f2790 in ?? () #37 0xb7ee8c80 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #38 0xb42793d8 in ?? () #39 0xb7bc45af in ?? () from /usr/lib/libglib-2.0.so.0 #40 0x09abcd88 in ?? () #41 0x098f2790 in ?? () #42 0xb7eadff4 in ?? () from /lib/tls/i686/cmov/libc.so.6 #43 0xb7eac294 in ?? () from /lib/tls/i686/cmov/libc.so.6 #44 0xb7e7bd9e in ?? () from /lib/tls/i686/cmov/libc.so.6 #45 0xb42793d4 in ?? () #46 0xb7ee7530 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #47 0xb7ef4ff4 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #48 0x00000000 in ?? () . Thread 1 (process 15184): #0 0xb6bfafc1 in ?? () from /usr/lib/firefox/libgtkembedmoz.so #1 0x09e48e88 in ?? () #2 0xbf995ad8 in ?? () #3 0xbf995a98 in ?? () #4 0xb6bff605 in ?? () from /usr/lib/firefox/libgtkembedmoz.so #5 0x09e48a08 in ?? () #6 0xb6c07290 in ?? () from /usr/lib/firefox/libgtkembedmoz.so #7 0xbf995aa8 in ?? () #8 0xb6bff696 in ?? () from /usr/lib/firefox/libgtkembedmoz.so #9 0xbf995ad8 in ?? () #10 0xbf995ad4 in ?? () #11 0xbf995ab8 in ?? () #12 0xb6b29614 in nsCOMPtr_base::~nsCOMPtr_base () from /usr/lib/firefox/libxpcom_core.so #13 0xb6bf984b in ?? () from /usr/lib/firefox/libgtkembedmoz.so #14 0x09bff070 in ?? () #15 0xbf995b48 in ?? () #16 0x00000000 in ?? ()