#0  0x00007f2f4ab1afdf in mozalloc_abort(char const*) () from /usr/lib/firefox/libmozalloc.so
No symbol table info available.
#1  0x00007f2f4e87c134 in NS_DebugBreak () from /usr/lib/firefox/libxul.so
No symbol table info available.
#2  0x00007f2f4da4e382 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#3  0x00007f2f4800c20f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#4  0x00007f2f480091d1 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007f2f48009215 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007f2f4800a050 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007f2f47fee8c9 in XGetGeometry () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007f2f48ea1cab in gdk_pixmap_foreign_new_for_display () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#9  0x00007f2f3e53609a in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
No symbol table info available.
#10 0x00007f2f3e53eceb in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
No symbol table info available.
#11 0x00007f2f3e53c2c9 in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
No symbol table info available.
#12 0x00007f2f4e556e03 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#13 0x00007f2f4e557c6f in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#14 0x00007f2f4e558a05 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#15 0x00007f2f4e558d6c in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#16 0x00007f2f4e899837 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#17 0x00007f2f4e89ab74 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#18 0x00007f2f4e89ac95 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#19 0x00007f2f4e8a9638 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#20 0x00007f2f4e899897 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#21 0x00007f2f4da56955 in XRE_InitChildProcess () from /usr/lib/firefox/libxul.so
No symbol table info available.
#22 0x00007f2f505dcb90 in ?? ()
No symbol table info available.
#23 0x00007f2f4c69d76d in __libc_start_main (main=0x7f2f505dcb60, argc=11, ubp_av=0x7fffa43fc428, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa43fc418) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 7014409949691778663, 139841188514720, 140735949030432, 0, 0, -7014505055714273689, -6987712517564262809}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fffa43fc488, 0x1}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1539324792}}}
        not_first_call = <optimized out>
#24 0x00007f2f505dcbc9 in _start ()
No symbol table info available.