here is a gdb stack trace gdb ./emacs GNU gdb (Debian 10.1-2) 10.1.90.20210103-git Copyright (C) 2021 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-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 ./emacs... warning: File "/home/raman/sourceforge/emacs/src/.gdbinit" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load". To enable execution of this file add add-auto-load-safe-path /home/raman/sourceforge/emacs/src/.gdbinit line to your configuration file "/home/raman/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/home/raman/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" (gdb) run Starting program: /home/raman/sourceforge/emacs/src/emacs [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7ffff1769640 (LWP 131159)] [New Thread 0x7ffff0cbb640 (LWP 131160)] [New Thread 0x7fffebfff640 (LWP 131161)] Font ‘-adobe-helvetica-medium-r-normal--25-*-*-*-p-130-iso10646-1’ is not defined [Thread 0x7ffff0cbb640 (LWP 131160) exited] [Thread 0x7ffff1769640 (LWP 131159) exited] [Thread 0x7ffff29b7040 (LWP 131153) exited] [Inferior 1 (process 131153) exited with code 0377] (gdb) where No stack. (gdb) -- Thanks, --Raman(I Search, I Find, I Misplace, I Research) ♈ Id: kg:/m/0285kf1 🦮