Starting program: /usr/bin/emacs emacs -q -xrm "Emacs.synchronous: true" This GDB supports auto-downloading debuginfo from the following URLs: Debuginfod has been enabled. To make this setting permanent, add 'set debuginfod enabled on' to .gdbinit. [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7fffe3b9f6c0 (LWP 1585)] [New Thread 0x7fffe325d6c0 (LWP 1586)] [New Thread 0x7fffe2a5c6c0 (LWP 1587)] [New Thread 0x7fffe225b6c0 (LWP 1588)] [New Thread 0x7fffe15e66c0 (LWP 1589)] [New Thread 0x7fffe0de56c0 (LWP 1590)] [New Thread 0x7fffcbfff6c0 (LWP 1591)] [New Thread 0x7fffcb7fe6c0 (LWP 1615)] Thread 1 "emacs" received signal SIGABRT, Aborted. __pthread_kill_implementation (threadid=, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44 44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO (ret) : 0; #0 __pthread_kill_implementation (threadid=, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44 tid = ret = 0 pd = old_mask = {__val = {0}} ret = #1 0x00007ffff39538a3 in __pthread_kill_internal (signo=6, threadid=) at pthread_kill.c:78 #2 0x00007ffff3903668 in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26 ret = #3 0x000055555559f987 in () #4 0x0000555555f83060 in () #5 0x0000000000000020 in () #6 0x00007ffff3a9dac0 in main_arena () at /usr/lib/libc.so.6 #7 0x00007fffffffce90 in () #8 0x0000555555e06010 in () #9 0x0000000000000007 in () #10 0x0000000000000000 in () No symbol "x_display_list" in current context. No symbol "x_display_list" in current context.