(gdb) run
Starting program: /tmp/upp/theide
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff1e00640 (LWP 12234)]
[New Thread 0x7ffff1400640 (LWP 12235)]

Thread 1 "theide" received signal SIGSEGV, Segmentation fault.
___pthread_mutex_lock (mutex=0x9b923358dd665169) at ./nptl/pthread_mutex_lock.c:80
80      ./nptl/pthread_mutex_lock.c: No file.


(gdb) backtrace
#0  ___pthread_mutex_lock (mutex=0x9b923358dd665169) at ./nptl/pthread_mutex_lock.c:80
#1  0x00007ffff7d3d60f in XrmQGetResource () at /lib/x86_64-linux-gnu/libX11.so.6
#2  0x00007ffff7d1ed8a in XGetDefault () at /lib/x86_64-linux-gnu/libX11.so.6
#3  0x00007ffff64b5a13 in _XcursorGetDisplayInfo () at /lib/x86_64-linux-gnu/libXcursor.so.1
#4  0x00007ffff64b6b0d in XcursorGetTheme () at /lib/x86_64-linux-gnu/libXcursor.so.1
#5  0x00007ffff73593d1 in gdk_x11_display_set_cursor_theme ()
    at /lib/x86_64-linux-gnu/libgdk-3.so.0
#6  0x00007ffff76e1681 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#7  0x00007ffff76e7240 in  () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#8  0x0000555555a78281 in  ()
#9  0x0000555555afba79 in  ()
#10 0x0000555555e31028 in  ()
#11 0x0000555555e31301 in  ()
#12 0x000055555577493f in  ()
#13 0x00007ffff6229d90 in __libc_start_call_main
     (main=main@entry=0x555555774870, argc=argc@entry=1, argv=argv@entry=0x7fffffffdfd8)
    at ../sysdeps/nptl/libc_start_call_main.h:58
#14 0x00007ffff6229e40 in __libc_start_main_impl
     (main=0x555555774870, argc=1, argv=0x7fffffffdfd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffdfc8) at ../csu/libc-start.c:392
#15 0x000055555577c0f5 in  ()