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bug#17882: 24.3; *Backtrace* buffer appearing in the wrong frame

From: Toomas Rosin
Subject: bug#17882: 24.3; *Backtrace* buffer appearing in the wrong frame
Date: Mon, 30 Jun 2014 13:11:20 +0300
User-agent: KMail/4.12.2 (Linux/3.13.3; KDE/4.12.2; i686; ; )


Michael Heerdegen's reply to my help request
says it all:

> > 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).
> Michael.

I can only add to this that Michael's suggestion about
`debugger-previous-window' worked fine.

Best regards,


In GNU Emacs 24.3.1 (i686-pc-linux-gnu, GTK+ Version 2.24.22)
 of 2014-05-25 on toomas
Windowing system distributor `The X.Org Foundation', version 11.0.11500000
Configured using:
 `configure '--prefix=/usr' '--with-gif=no' '--localstatedir=/var''

Important settings:
  value of $LC_COLLATE: C
  value of $LANG: et_EE.UTF-8
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: any

Minor modes in effect:
  semantic-minor-modes-format: ((:eval (if (or semantic-highlight-edits-mode 
semantic-show-unmatched-syntax-mode)  S)))
  gud-tooltip-mode: t
  shell-dirtrack-mode: t
  display-time-mode: t
  desktop-save-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  auto-fill-function: do-auto-fill

Load-path shadows:
None found.

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