.
Thread 3 (Thread 0x7fda61816700 (LWP 5837)):
#0  0x00007fda785a78dd in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007fda788226d2 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x000000000041059f in alarm_thread ()
No symbol table info available.
#3  0x00007fda7881f2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fda7859fefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007fda782da59d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fda6f70b700 (LWP 5830)):
#0  0x00007fda782ce473 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fda787f9f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fda787fa792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fda77348516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fda7881f2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fda7859fefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fda782da59d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fda7a0d9940 (LWP 5827)):
#0  0x00007fda7822d3a5 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fda78230b0b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fda7881d4ad in g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fda7881d9d2 in g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fda796406ed in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#5  0x00007fda7964b3bf in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#6  0x00007fda7964d7d1 in gdk_window_process_all_updates () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#7  0x00007fda7964d839 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#8  0x00007fda7962ad26 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#9  0x00007fda787f9a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007fda787fa258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007fda787fa792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007fda799f3db7 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#13 0x0000000000408167 in main ()
No symbol table info available.