address@hidden:~|⇒ gdb /usr/bin/emacs GNU gdb (GDB) 7.12 Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/emacs...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/emacs [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7fffe8836700 (LWP 9649)] [New Thread 0x7fffe7c1d700 (LWP 9650)] [New Thread 0x7fffe741c700 (LWP 9651)] [New Thread 0x7fffd21ad700 (LWP 9999)] [New Thread 0x7fffd19ac700 (LWP 10000)] [New Thread 0x7fffd11ab700 (LWP 10001)] Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. 0x00000000004c4e27 in x_draw_glyph_string () (gdb) thread apply all bt Thread 7 (Thread 0x7fffd11ab700 (LWP 10001)): #0 0x00007fffee7e757e in futex_wait (val=8, addr=0xb148644) at /build/gcc-multilib/src/gcc/libgomp/config/linux/x86/futex.h:44 #1 0x00007fffee7e757e in do_wait (val=8, addr=0xb148644) at /build/gcc-multilib/src/gcc/libgomp/config/linux/wait.h:67 #2 0x00007fffee7e757e in gomp_barrier_wait_end (bar=0xb148640, state=8) at /build/gcc-multilib/src/gcc/libgomp/config/linux/bar.c:48 #3 0x00007fffee7e4d80 in gomp_thread_start (xdata=) at /build/gcc-multilib/src/gcc/libgomp/team.c:123 #4 0x00007ffff1718454 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007ffff145b7df in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7fffd19ac700 (LWP 10000)): #0 0x00007fffee7e757e in futex_wait (val=8, addr=0xb148644) at /build/gcc-multilib/src/gcc/libgomp/config/linux/x86/futex.h:44 #1 0x00007fffee7e757e in do_wait (val=8, addr=0xb148644) at /build/gcc-multilib/src/gcc/libgomp/config/linux/wait.h:67 #2 0x00007fffee7e757e in gomp_barrier_wait_end (bar=0xb148640, state=8) at /build/gcc-multilib/src/gcc/libgomp/config/linux/bar.c:48 #3 0x00007fffee7e4d80 in gomp_thread_start (xdata=) at /build/gcc-multilib/src/gcc/libgomp/team.c:123 #4 0x00007ffff1718454 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007ffff145b7df in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fffd21ad700 (LWP 9999)): #0 0x00007fffee7e757e in futex_wait (val=8, addr=0xb148644) at /build/gcc-multilib/src/gcc/libgomp/config/linux/x86/futex.h:44 #1 0x00007fffee7e757e in do_wait (val=8, addr=0xb148644) at /build/gcc-multilib/src/gcc/libgomp/config/linux/wait.h:67 #2 0x00007fffee7e757e in gomp_barrier_wait_end (bar=0xb148640, state=8) at /build/gcc-multilib/src/gcc/libgomp/config/linux/bar.c:48 #3 0x00007fffee7e4d80 in gomp_thread_start (xdata=) at /build/gcc-multilib/src/gcc/libgomp/team.c:123 #4 0x00007ffff1718454 in start_thread () at /usr/lib/libpthread.so.0 #5 0x00007ffff145b7df in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fffe741c700 (LWP 9651)): #0 0x00007ffff145248d in poll () at /usr/lib/libc.so.6 #1 0x00007ffff48d3786 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff48d3b12 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff50e0316 in () at /usr/lib/libgio-2.0.so.0 #4 0x00007ffff48fb0d5 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff1718454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff145b7df in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fffe7c1d700 (LWP 9650)): #0 0x00007ffff145248d in poll () at /usr/lib/libc.so.6 #1 0x00007ffff48d3786 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff48d389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fffe7c254bd in () at /usr/lib/gio/modules/libdconfsettings.so #4 0x00007ffff48fb0d5 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff1718454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff145b7df in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fffe8836700 (LWP 9649)): #0 0x00007ffff145248d in poll () at /usr/lib/libc.so.6 #1 0x00007ffff48d3786 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007ffff48d389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007ffff48d38e1 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007ffff48fb0d5 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007ffff1718454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007ffff145b7df in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7ffff7ef0ec0 (LWP 9645)): #0 0x00000000004c4e27 in x_draw_glyph_string () #1 0x00000000004561e5 in draw_glyphs () #2 0x000000000045b35f in x_write_glyphs () ---Type to continue, or q to quit--- #3 0x0000000000418af8 in update_window_line () #4 0x000000000041ac0d in update_window () #5 0x000000000041c2ba in update_window_tree () #6 0x000000000041e5ae in update_frame () #7 0x0000000000451ff4 in redisplay_internal () #8 0x00000000004f67c5 in command_loop_1 () #9 0x0000000000559322 in internal_condition_case () #10 0x00000000004e7bdc in command_loop_2 () #11 0x00000000005592c3 in internal_catch () #12 0x00000000004e7b99 in command_loop () #13 0x00000000004ec3b7 in recursive_edit_1 () #14 0x00000000004ec6f8 in Frecursive_edit () #15 0x00000000004151f1 in main () (gdb)