Re: Strange looping

[Eli Zaretskii]

> From: Lennart Borgman <address@hidden>
> Date: Fri, 30 Apr 2010 02:02:37 +0200
> 
> I have experience some strange looping in Emacs recently. I have
> difficulties catching them, but with a recent build I was able to use
> Emacs to see what happened.
> 
> I found no reason. I killed all visible buffers, but Emacs still
> loops. There are no processes that I can see. I did not see anything
> really suspect - except for an arg out or range during fontification.
> 
> I think I have seen the same problem with builds from 2010-03-21 and
> 2010-04-27. (This are my patched builds, though.)
> 
> Anyone has any good idea of how to catch this?

When that happens, attach GDB to the runaway Emacs, and then use the
procedure described in etc/DEBUG under "If the symptom of the bug is
that Emacs fails to respond", to find out where it is looping.