.
Thread 4 (process 15722):
#0  0xb7f2c424 in __kernel_vsyscall ()
#1  0xb7498de7 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7de21fa in PR_Poll () from /usr/lib/kompozer/libnspr4.so
#3  0xb6db5632 in ?? () from /usr/lib/kompozer/components/libnecko.so
#4  0xb6db5ccd in ?? () from /usr/lib/kompozer/components/libnecko.so
#5  0xb7e78ba7 in nsThread::Main () from /usr/lib/kompozer/libxpcom.so
#6  0xb7de6392 in ?? () from /usr/lib/kompozer/libnspr4.so
#7  0xb7d924ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb74a364e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 3 (process 15723):
#0  0xb7f2c424 in __kernel_vsyscall ()
#1  0xb7d96392 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7ddf6c5 in ?? () from /usr/lib/kompozer/libnspr4.so
#3  0xb7de04f4 in PR_WaitCondVar () from /usr/lib/kompozer/libnspr4.so
#4  0xb6d97bb5 in ?? () from /usr/lib/kompozer/components/libnecko.so
#5  0xb7de6392 in ?? () from /usr/lib/kompozer/libnspr4.so
#6  0xb7d924ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb74a364e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (process 15724):
#0  0xb7f2c424 in __kernel_vsyscall ()
#1  0xb7d96392 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7ddf6c5 in ?? () from /usr/lib/kompozer/libnspr4.so
#3  0xb7de04f4 in PR_WaitCondVar () from /usr/lib/kompozer/libnspr4.so
#4  0xb7e7b12e in ?? () from /usr/lib/kompozer/libxpcom.so
#5  0xb7e78ba7 in nsThread::Main () from /usr/lib/kompozer/libxpcom.so
#6  0xb7de6392 in ?? () from /usr/lib/kompozer/libnspr4.so
#7  0xb7d924ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb74a364e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 15720):
#0  0xb7f2c424 in __kernel_vsyscall ()
#1  0xb7d9a4b0 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0805511e in nsProfileLock::FatalSignalHandler ()
#3  <signal handler called>
#4  0xb5be913c in ?? () from /usr/lib/kompozer/components/libgklayout.so
#5  0xb7e796f1 in nsTimerImpl::Fire () from /usr/lib/kompozer/libxpcom.so
#6  0xb7e79fe0 in handleTimerEvent () from /usr/lib/kompozer/libxpcom.so
#7  0xb7e75757 in PL_HandleEvent () from /usr/lib/kompozer/libxpcom.so
#8  0xb7e75a37 in PL_ProcessPendingEvents ()
   from /usr/lib/kompozer/libxpcom.so
#9  0xb7e778ed in ?? () from /usr/lib/kompozer/libxpcom.so
#10 0xb6ecece1 in ?? () from /usr/lib/kompozer/components/libwidget_gtk2.so
#11 0xb7794a0d in ?? () from /usr/lib/libglib-2.0.so.0
#12 0xb775d7e1 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#13 0xb7760e83 in ?? () from /usr/lib/libglib-2.0.so.0
#14 0xb77613a2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#15 0xb7ae7a39 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#16 0xb6ecf198 in ?? () from /usr/lib/kompozer/components/libwidget_gtk2.so
#17 0xb6f9d4ae in ?? () from /usr/lib/kompozer/components/libnsappshell.so
#18 0x0804fdc8 in ?? ()
#19 0x0804ba03 in ?? ()
#20 0xb73d8685 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#21 0x0804b961 in ?? ()