.
Thread 3 (Thread 15232):
#0  0x00007fd3b9b87bd3 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007fd3b948ed6f in ?? () from /usr/lib/libnspr4.so
No symbol table info available.
#2  0x00007fd3baeeb8c7 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#3  0x00007fd3baeebd4e in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#4  0x00007fd3baeebf50 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#5  0x00007fd3bb65209d in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#6  0x00007fd3bb6276a1 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#7  0x00007fd3baeebab6 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#8  0x00007fd3bb6520f5 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#9  0x00007fd3bb6276a1 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#10 0x00007fd3bb652718 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#11 0x00007fd3b9492eaa in ?? () from /usr/lib/libnspr4.so
No symbol table info available.
#12 0x00007fd3b9e359ca in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#13 0x00007fd3b9b9438d in clone () from /lib/libc.so.6
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 15231):
#0  0x00007fd3b9e3abd9 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007fd3b948c699 in ?? () from /usr/lib/libnspr4.so
No symbol table info available.
#2  0x00007fd3b948d28c in PR_WaitCondVar () from /usr/lib/libnspr4.so
No symbol table info available.
#3  0x00007fd3bae8e312 in ?? () from /usr/lib/xulrunner-1.9.1.8/libxul.so
No symbol table info available.
#4  0x00007fd3b9492eaa in ?? () from /usr/lib/libnspr4.so
No symbol table info available.
#5  0x00007fd3b9e359ca in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x00007fd3b9b9438d in clone () from /lib/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 15224):
#0  0x00007fd3b9e3e7eb in raise () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007fd3b04c46c0 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#2  <signal handler called>
No symbol table info available.
#3  0x00007fd3b04efe08 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#4  0x00007fd3b04f07e3 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#5  0x00007fd3b04c957b in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#6  0x00007fd3b04df242 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#7  0x00007fd3b05a2856 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#8  0x00007fd3b05a32e2 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#9  0x00007fd3b05a3541 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#10 0x00007fd3b05a866b in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#11 0x00007fd3b0c3105d in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#12 0x00007fd3b0c31f78 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#13 0x00007fd3b0c07eec in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#14 0x00007fd3b0c07676 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#15 0x00007fd3b04f933a in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#16 0x00007fd3b04f9c4b in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#17 0x00007fd3b0c31898 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#18 0x00007fd3b0c31bc4 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#19 0x00007fd3b0c31cc6 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#20 0x00007fd3b0c3276b in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#21 0x00007fd3b0c0fe75 in NS_InitXPCOM3_P ()
   from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#22 0x00007fd3b04c3c8f in XRE_InitEmbedding ()
   from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#23 0x00007fd3b04b6e48 in ?? () from /usr/lib/xulrunner-1.9.0.14/libxul.so
No symbol table info available.
#24 0x0000000000407957 in ?? ()
No symbol table info available.
#25 0x0000000000408255 in ?? ()
No symbol table info available.
#26 0x00007fd3b9accc4d in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#27 0x0000000000403d69 in ?? ()
No symbol table info available.
#28 0x00007fff249844a8 in ?? ()
No symbol table info available.
#29 0x000000000000001c in ?? ()
No symbol table info available.
#30 0x0000000000000006 in ?? ()
No symbol table info available.
#31 0x00007fff24984a6e in ?? ()
No symbol table info available.
#32 0x0000000000000000 in ?? ()
No symbol table info available.