.
Thread 5 (process 24266):
#0  0x00002b4ad93bee26 in poll () from /lib/libc.so.6
#1  0x00002b4ad165b7bd in PR_Poll () from /usr/lib/libnspr4.so.0d
#2  0x00002b4ade6eaf6e in ?? () from /usr/lib/firefox/components/libnecko.so
#3  0x00002b4ade6eb6f6 in ?? () from /usr/lib/firefox/components/libnecko.so
#4  0x00002b4ad96d40af in ?? () from /usr/lib/firefox/libxpcom_core.so
#5  0x00002b4ad165f4cd in ?? () from /usr/lib/libnspr4.so.0d
#6  0x00002b4ad85b7317 in start_thread () from /lib/libpthread.so.0
#7  0x00002b4ad93c7d5d in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()
.
Thread 4 (process 24297):
#0  0x00002b4ad85bb997 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00002b4ad1659268 in ?? () from /usr/lib/libnspr4.so.0d
#2  0x00002b4ad1659e8a in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d
#3  0x00002b4ad96d5f79 in ?? () from /usr/lib/firefox/libxpcom_core.so
#4  0x00002b4ad96d40af in ?? () from /usr/lib/firefox/libxpcom_core.so
#5  0x00002b4ad165f4cd in ?? () from /usr/lib/libnspr4.so.0d
#6  0x00002b4ad85b7317 in start_thread () from /lib/libpthread.so.0
#7  0x00002b4ad93c7d5d in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()
.
Thread 3 (process 24312):
#0  0x00002b4ad85bb997 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00002b4ad1659268 in ?? () from /usr/lib/libnspr4.so.0d
#2  0x00002b4ad1659e8a in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d
#3  0x00002b4ade6c8fd8 in ?? () from /usr/lib/firefox/components/libnecko.so
#4  0x00002b4ad165f4cd in ?? () from /usr/lib/libnspr4.so.0d
#5  0x00002b4ad85b7317 in start_thread () from /lib/libpthread.so.0
#6  0x00002b4ad93c7d5d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 2 (process 24768):
#0  0x00002b4ad93bee26 in poll () from /lib/libc.so.6
#1  0x00002b4adaa30c3e in ?? () from /lib/libresolv.so.2
#2  0x00002b4adaa2fa68 in __libc_res_nquery () from /lib/libresolv.so.2
#3  0x00002b4adaa2fd17 in ?? () from /lib/libresolv.so.2
#4  0x00002b4adaa2fecf in __libc_res_nsearch () from /lib/libresolv.so.2
#5  0x00002aaaad6f3981 in _nss_dns_gethostbyname3_r ()
   from /lib/libnss_dns.so.2
#6  0x00002aaaad6f3be4 in _nss_dns_gethostbyname2_r ()
   from /lib/libnss_dns.so.2
#7  0x00002b4ad93b0138 in ?? () from /lib/libc.so.6
#8  0x00002b4ad93b15c9 in getaddrinfo () from /lib/libc.so.6
#9  0x00002b4ad1653d97 in PR_GetAddrInfoByName () from /usr/lib/libnspr4.so.0d
#10 0x00002b4ade6f68b2 in ?? () from /usr/lib/firefox/components/libnecko.so
#11 0x00002b4ad165f4cd in ?? () from /usr/lib/libnspr4.so.0d
#12 0x00002b4ad85b7317 in start_thread () from /lib/libpthread.so.0
#13 0x00002b4ad93c7d5d in clone () from /lib/libc.so.6
#14 0x0000000000000000 in ?? ()
.
Thread 1 (process 24240):
#0  0x00002b4ad85befcb in raise () from /lib/libpthread.so.0
#1  0x00002b4ad0e248c6 in ?? () from /usr/lib/firefox/libgtkembedmoz.so
#2  <signal handler called>
#3  0x00002b4ad473cc47 in gdk_window_get_toplevel ()
   from /usr/lib/libgdk-x11-2.0.so.0
#4  0x00002b4ad473cc79 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#5  0x00002b4ad473ce9d in gdk_window_process_all_updates ()
   from /usr/lib/libgdk-x11-2.0.so.0
#6  0x00002b4ad473cf09 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#7  0x00002b4ad472431e in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#8  0x00002b4ad8e49fd3 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#9  0x00002b4ad8e4d2dd in ?? () from /usr/lib/libglib-2.0.so.0
#10 0x00002b4ad8e4d5ea in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#11 0x00002b4ad427c883 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#12 0x000000000044021e in main ()