Re: How to debug Error during redisplay

[Eli Zaretskii]

> From: Leo Liu <address@hidden>
> Date: Fri, 11 Jan 2013 19:02:29 +0800
> 
> On 2013-01-11 18:25 +0800, Eli Zaretskii wrote:
> > Run Emacs under GDB, put a breakpoint in safe_eval_handler, and see
> > which code and in which buffer is responsible.
> 
> Thanks for the info; I have forgotten there is always GDB ;)
> 
> I don't know how to print current_buffer.

 (gdb) pp current_buffer->name_

or

 (gdb) p current_buffer->name_
 (gdb) xstring

> So this is triggered by animate-string which slime uses. Weirdly, the
> same code doesn't have this error in 24.2.

Which code is that? can you show it?  Or does any use of
animate-string trigger these messages?

> Also if I set inhibit-eval-during-redisplay to t, the error is gone as
> well.

This should not surprise you, since that flag inhibits evaluation of
Lisp expressions during redisplay, including whatever expression that
causes the error.