.
Thread 2 (Thread 2556):
#0  0x003cb422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0041a06b in __pthread_mutex_unlock_full ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0x00677ae6 in pthread_mutex_unlock () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0x095112e1 in pa_mutex_unlock () from /usr/lib/libpulsecommon-0.9.21.so
No symbol table info available.
#4  0x056a7c79 in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#5  0x05694a69 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
No symbol table info available.
#6  0x05696883 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
No symbol table info available.
#7  0x05696954 in pa_mainloop_run () from /usr/lib/libpulse.so.0
No symbol table info available.
#8  0x056a7b83 in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#9  0x09512382 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
No symbol table info available.
#10 0x004168de in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#11 0x0066a93e in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
.
Thread 1 (Thread 2550):
#0  0x00225c8e in gdk_window_set_opacity () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#1  0x00f345c5 in ?? () from /usr/lib/libgksu2.so.0
No symbol table info available.
#2  0x0051d261 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x0051efe8 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00522890 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00522cff in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#6  0x0084740d in gtk_dialog_run () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#7  0x00f34a34 in report_failed_grab () from /usr/lib/libgksu2.so.0
No symbol table info available.
#8  0x00f34cf3 in grab_keyboard_and_mouse () from /usr/lib/libgksu2.so.0
No symbol table info available.
#9  0x00f352ab in ?? () from /usr/lib/libgksu2.so.0
No symbol table info available.
#10 0x00f36194 in gksu_sudo_fuller () from /usr/lib/libgksu2.so.0
No symbol table info available.
#11 0x00f38712 in gksu_run_fuller () from /usr/lib/libgksu2.so.0
No symbol table info available.
#12 0x0804bc0a in ?? ()
No symbol table info available.
#13 0x005b3bd6 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#14 0x0804a451 in ?? ()
No symbol table info available.