There's no particular change in memory or CPU load in system monitor. Here's the stacktrace as requested:
(gdb) thread apply all bt Thread 7 (Thread -1298490448 (LWP 6979)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7187eec in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb71b3207 in PR_Lock () from /usr/lib/libnspr4.so #3 0xb71b355d in PR_WaitCondVar () from /usr/lib/libnspr4.so #4 0xb69d19aa in NSGetModule () from /usr/lib/firefox/components/libnecko.so #5 0xb71b879d in PR_Select () from /usr/lib/libnspr4.so #6 0xb7185341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb70224ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 6 (Thread -1290097744 (LWP 6978)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7187eec in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb71b3207 in PR_Lock () from /usr/lib/libnspr4.so #3 0xb71b355d in PR_WaitCondVar () from /usr/lib/libnspr4.so #4 0xb69d19aa in NSGetModule () from /usr/lib/firefox/components/libnecko.so #5 0xb71b879d in PR_Select () from /usr/lib/libnspr4.so #6 0xb7185341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb70224ee in clone () from /lib/tls/i686/cmov/libc.so.6 ---Type <return> to continue, or q <return> to quit--- Thread 5 (Thread -1281705040 (LWP 6977)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7187eec in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb71b3207 in PR_Lock () from /usr/lib/libnspr4.so #3 0xb71b355d in PR_WaitCondVar () from /usr/lib/libnspr4.so #4 0xb69d19aa in NSGetModule () from /usr/lib/firefox/components/libnecko.so #5 0xb71b879d in PR_Select () from /usr/lib/libnspr4.so #6 0xb7185341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb70224ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 4 (Thread -1273312336 (LWP 6976)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7187eec in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb71b3207 in PR_Lock () from /usr/lib/libnspr4.so #3 0xb71b355d in PR_WaitCondVar () from /usr/lib/libnspr4.so #4 0xb69d19aa in NSGetModule () from /usr/lib/firefox/components/libnecko.so #5 0xb71b879d in PR_Select () from /usr/lib/libnspr4.so #6 0xb7185341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb70224ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 3 (Thread -1264768080 (LWP 6969)): ---Type <return> to continue, or q <return> to quit--- #0 0xffffe410 in __kernel_vsyscall () #1 0xb7187eec in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb71b3207 in PR_Lock () from /usr/lib/libnspr4.so #3 0xb71b355d in PR_WaitCondVar () from /usr/lib/libnspr4.so #4 0xb6f1eeb4 in NS_NewThread () from /usr/lib/firefox/libxpcom_core.so #5 0xb6f1cb29 in nsIThread::IsMainThread () from /usr/lib/firefox/libxpcom_core.so #6 0xb71b879d in PR_Select () from /usr/lib/libnspr4.so #7 0xb7185341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #8 0xb70224ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 2 (Thread -1244845136 (LWP 6968)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb70188c4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb71b7086 in PR_Poll () from /usr/lib/libnspr4.so #3 0xb69f2080 in NSGetModule () from /usr/lib/firefox/components/libnecko.so #4 0xb69f27c5 in NSGetModule () from /usr/lib/firefox/components/libnecko.so #5 0xb6f1cb29 in nsIThread::IsMainThread () from /usr/lib/firefox/libxpcom_core.so #6 0xb71b879d in PR_Select () from /usr/lib/libnspr4.so #7 0xb7185341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #8 0xb70224ee in clone () from /lib/tls/i686/cmov/libc.so.6 ---Type <return> to continue, or q <return> to quit--- Thread 1 (Thread -1226983744 (LWP 6963)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb70188c4 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb733f7e8 in g_main_context_check () from /usr/lib/libglib-2.0.so.0 #3 0xb733fcb8 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #4 0xb7663477 in bonobo_main () from /usr/lib/libbonobo-2.so.0 #5 0x080693c3 in main () (gdb) -- yelp search doesn't do anything https://launchpad.net/bugs/50017 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
