.
Thread 2 (Thread 3319):
#0  0x00994422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00499282 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0x002c513e in ?? () from /usr/lib/libgthread-2.0.so.0
No symbol table info available.
#3  0x0037eebc in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x003d1633 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x003cf6df in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#6  0x004948de in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#7  0x010c595e in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
.
Thread 1 (Thread 3318):
#0  0x003af1ff in g_logv () from /lib/libglib-2.0.so.0
No symbol table info available.
#1  0x003af656 in g_log () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00173f31 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#3  0x01467299 in _XError () from /usr/lib/libX11.so.6
No symbol table info available.
#4  0x0146e05e in _XReply () from /usr/lib/libX11.so.6
No symbol table info available.
#5  0x0145bc51 in XQueryTree () from /usr/lib/libX11.so.6
No symbol table info available.
#6  0x080523c1 in screenshot_get_pixbuf ()
No symbol table info available.
#7  0x08050008 in ?? ()
No symbol table info available.
#8  0x00cbeef5 in ?? () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#9  0x003a2e81 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#10 0x003a4e05 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#11 0x003a8b08 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#12 0x003a905f in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#13 0x00668029 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#14 0x0804f6f7 in main ()
No symbol table info available.