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Re: location of "*Backtrace*" buffer

From: Michael Heerdegen
Subject: Re: location of "*Backtrace*" buffer
Date: Tue, 24 Jun 2014 03:39:32 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.91 (gnu/linux)

Toomas Rosin <> writes:

> I have an Emacs session running for about three weeks now.  A couple
> of days ago, a strange phenomenon started to occur: each time I do
> something which invokes the debugger (e.g., do a `yank-pop' without a
> preceding `yank'), the backtrace buffer appears always in one and the
> same frame (instead of in the frame from which I issued the offending
> command), which is especially annoying when I happen to work in
> another frame, on another desktop (which in fact means almost always).
> (I'm working under KDE.)  What could be the matter?

AFAICT, this behavior is in general not unintended.  In prior Emacs
versions, there was a problem that when you hit e.g. d d ... in the
debugger, the backtrace buffer sometimes was displayed in another window
for every time you hit d.

What you see is probably an annoying consequence of the related fix.
I suggest to make a bug report.

> Is there a way to
> get the normal behaviour back without exiting Emacs and without
> closing the frame in which the backtrace buffer now always appears?

Try evaluating (setq debugger-previous-window nil).


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