bug#47254: 28.0.50; Minibuffer does not clear question even after the corresponding process has exited

[Eli Zaretskii]

> From: Arunesh Pandey Gmail <aruneshpa@gmail.com>
> Cc: 47254@debbugs.gnu.org
> Date: Fri, 19 Mar 2021 14:20:11 -0700
> 
> I have GNU gdb 8.2.1 installed and running. How do I generate the
> backtrace?

After you get into this weird situation, do this:

  gdb -p PID
  ...
  (gdb) source /path/to/emacs/src/.gdbinit
  (gdb) thread apply all bt

(where PID is the process ID of the Emacs process).

> Is there a page/document describing the process?

The information is in etc/DEBUG.

Thanks.