#0  0x00007f6960149aab in raise () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f695bb659a6 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#2  <signal handler called>
No symbol table info available.
#3  0x00007f6949fe6a15 in ?? () from /usr/lib/libunity-webapps.so.0
No symbol table info available.
#4  0x00007f695a53d0a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f695a53d3f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f695a53d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#7  0x00007f695c4eadd2 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#8  0x00007f695c50771b in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#9  0x00007f695c507842 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#10 0x00007f695c850f22 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#11 0x00007f695c82587b in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#12 0x00007f695c851587 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#13 0x00007f695c3f6380 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#14 0x00007f695c3f7e25 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#15 0x00007f695c833248 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#16 0x00007f695c833718 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#17 0x00007f695bb5fa91 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#18 0x00007f695bb59e8e in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#19 0x00007f695bb5f33c in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#20 0x00007f695bb5f556 in XRE_main () from /usr/lib/firefox/libxul.so
No symbol table info available.
#21 0x00007f6960d8cf44 in _start ()
No symbol table info available.