(gdb) run Starting program: /usr/bin/gnome-calculator [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffefcfa700 (LWP 11941)] [New Thread 0x7fffef4f9700 (LWP 11942)] Internal error: Could not resolve keysym SunProps Internal error: Could not resolve keysym SunFront Internal error: Could not resolve keysym SunOpen [New Thread 0x7fffeda1e700 (LWP 11943)] (gnome-calculator:11938): Gdk-WARNING **: /build/buildd/gtk+3.0-3.4.1/./gdk/x11/gdkwindow-x11.c:4944 drawable is not a native X11 window (gnome-calculator:11938): Gdk-WARNING **: /build/buildd/gtk+3.0-3.4.1/./gdk/x11/gdkwindow-x11.c:4944 drawable is not a native X11 window Program received signal SIGSEGV, Segmentation fault. 0x0000000000000000 in ?? () (gdb) abackgtrace full #0 0x0000000000000000 in ?? () No symbol table info available. #1 0x00007ffff62a1e33 in g_hash_table_lookup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ffff6fb64f3 in gdk_x11_atom_to_xatom_for_display () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 No symbol table info available. #3 0x00007ffff6fc3327 in gdk_x11_window_set_utf8_property () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 No symbol table info available. #4 0x00007fffede4f672 in ?? () from /usr/lib/gtk-3.0/3.0.0/menuproxies/libappmenu.so No symbol table info available. #5 0x00007fffede4ff8e in ?? () from /usr/lib/gtk-3.0/3.0.0/menuproxies/libappmenu.so No symbol table info available. #6 0x00007ffff6f8404f in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 No symbol table info available. #7 0x00007ffff62b28db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #8 0x00007ffff62b1c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007ffff62b2060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #10 0x00007ffff62b245a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0x00007ffff736d25d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #12 0x000000000040d55c in main () No symbol table info available. (gdb) info registers rax 0x0 0 rbx 0xb45b80 11819904 rcx 0x1 1 rdx 0x1 1 rsi 0x48 72 rdi 0x48 72 rbp 0x48 0x48 rsp 0x7fffffffde38 0x7fffffffde38 r8 0x660250 6685264 r9 0x2ea2 11938 r10 0x7fffffffdc50 140737488346192 r11 0x7ffff5af73d0 140737315304400 r12 0x48 72 r13 0x48 72 r14 0x7fffe80075d0 140737085732304 r15 0x6 6 rip 0x0 0 eflags 0x10202 [ IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x0: Cannot access memory at address 0x0 (gdb) thread apply all backtrace Thread 4 (Thread 0x7fffeda1e700 (LWP 11943)): #0 0x00007ffff5d5f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007ffff62ed8e5 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff62881c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff62d422a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007ffff62d39a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5d5ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007ffff5a884bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 3 (Thread 0x7fffef4f9700 (LWP 11942)): #0 0x00007ffff5a7cb03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007ffff62b1ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff62b245a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff6ac02c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007ffff62d39a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5d5ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007ffff5a884bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 2 (Thread 0x7fffefcfa700 (LWP 11941)): #0 0x00007ffff5a7cb03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007ffff62b1ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff62b245a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff053b98b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so #4 0x00007ffff62d39a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5d5ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007ffff5a884bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 1 (Thread 0x7ffff7fcf940 (LWP 11938)): #0 0x0000000000000000 in ?? () #1 0x00007ffff62a1e33 in g_hash_table_lookup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff6fb64f3 in gdk_x11_atom_to_xatom_for_display () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 #3 0x00007ffff6fc3327 in gdk_x11_window_set_utf8_property () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 #4 0x00007fffede4f672 in ?? () from /usr/lib/gtk-3.0/3.0.0/menuproxies/libappmenu.so #5 0x00007fffede4ff8e in ?? () from /usr/lib/gtk-3.0/3.0.0/menuproxies/libappmenu.so #6 0x00007ffff6f8404f in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 #7 0x00007ffff62b28db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #8 0x00007ffff62b1c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #9 0x00007ffff62b2060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #10 0x00007ffff62b245a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #11 0x00007ffff736d25d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 #12 0x000000000040d55c in main ()