. Thread 3 (Thread 0x7f4e7d0a9700 (LWP 13084)): #0 0x00007f4e861993dd in unlink () at ../sysdeps/unix/syscall-template.S:83 No locals. #1 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 0x7f4e7d8aa700 (LWP 13083)): #0 0x00007f4e861993dd in unlink () at ../sysdeps/unix/syscall-template.S:83 No locals. #1 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7f4e890559c0 (LWP 13082)): #0 0x00007f4e8813aa4c in gtk_status_icon_set_visible () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #1 0x0000000000413a3b in ?? () No symbol table info available. #2 0x00007f4e88a5da27 in ?? () from /usr/lib/x86_64-linux-gnu/libappindicator3.so.1 No symbol table info available. #3 0x00007f4e869a5c8c in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #4 0x0000000000417db7 in ?? () No symbol table info available. #5 0x00007f4e869a5d1a in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x0000000000410f7c in main () No symbol table info available.