GNU bug report logs - #11665
kill-buffer gives an error on killing dead buffers

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: martin rudalics <rudalics <at> gmx.at>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#11665: closed (kill-buffer gives an error on killing dead
 buffers)
Date: Mon, 18 Jun 2012 07:29:02 +0000

[Message part 1 (text/plain, inline)]

Your message dated Mon, 18 Jun 2012 09:24:37 +0200
with message-id <4FDED7B5.4000008 <at> gmx.at>
and subject line Re: bug#11665: kill-buffer gives an error on killing dead buffers
has caused the debbugs.gnu.org bug report #11665,
regarding kill-buffer gives an error on killing dead buffers
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
11665: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=11665
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Vitalie Spinu <spinuvit <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: kill-buffer gives an error on killing dead buffers
Date: Sun, 10 Jun 2012 12:57:49 +0200

Hi, 

This is a strange behavior which was not happening in previous versions
of emacs. Though quite an unusual use, I decided to report it as it
might be a symptom for a more serious problem.

Create a buffer "test.tmp" and create an indirect buffer:
   
   (with-current-buffer (make-indirect-buffer "test.tmp" "test1")
     	    (add-hook 'kill-buffer-hook
   		      '(lambda ()
                            (setq kill-buffer-hook nil)
                            (kill-buffer (buffer-base-buffer)))
   		      t t))

(The above triggers the killing of the base buffer when an indirect
buffer is killed)

Now, kill the base buffer "test.tmp", which raises:

  signal(error ("Buffer #<killed buffer> is not a live buffer"))
  error("Buffer %s is not a live buffer" #<killed buffer>)
  window-normalize-buffer(#<killed buffer>)
  replace-buffer-in-windows(#<killed buffer>)
  kill-buffer(#<killed buffer>)
  (if (and (boundp (quote sub-kill-buffer-and-its-windows)) sub-kill-buffer-and-its-windows (fboundp (quote kill-buffer-and-its-windows))) (kill-buffer-and-its-windows (current-buffer)) (kill-buffer (current-buffer)))


This doesn't occur when killing an indirect buffer. 

Vitalie.


In GNU Emacs 24.1.50.1 (i686-pc-linux-gnu, GTK+ Version 3.4.2)
 of 2012-06-08 on lakoocha, modified by Debian
 (emacs-snapshot package, version 2:20120608-1~ppa1~precise1)
Windowing system distributor `The X.Org Foundation', version 11.0.11103000
Configured using:
 `configure '--build' 'i686-linux-gnu' '--host' 'i686-linux-gnu'
 '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib'
 '--localstatedir=/var' '--infodir=/usr/share/info'
 '--mandir=/usr/share/man' '--with-pop=yes'
 '--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/24.1.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.1.50/site-lisp:/usr/share/emacs/site-lisp'
 '--without-compress-info' '--with-crt-dir=/usr/lib/i386-linux-gnu/'
 '--with-x=yes' '--with-x-toolkit=gtk3' '--with-imagemagick=yes'
 'build_alias=i686-linux-gnu' 'host_alias=i686-linux-gnu'
 'CFLAGS=-DDEBIAN -DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g
 -Wl,--as-needed -znocombreloc' 'CPPFLAGS=-D_FORTIFY_SOURCE=2''

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

Major mode: Emacs-Lisp

Minor modes in effect:
  TeX-PDF-mode: t
  highlight-parentheses-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  diff-auto-refine-mode: t
  global-auto-revert-mode: t
  keyfreq-autosave-mode: t
  keyfreq-mode: t
  sr-popviewer-mode: t
  shell-dirtrack-mode: t
  eldoc-mode: t
  display-time-mode: t
  ido-everywhere: t
  show-paren-mode: t
  savehist-mode: t
  mouse-wheel-mode: t
  menu-bar-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
  transient-mark-mode: t
  hs-minor-mode: t

   

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From: martin rudalics <rudalics <at> gmx.at>
To: 11665-done <at> debbugs.gnu.org
Cc: Vitalie Spinu <spinuvit <at> gmail.com>
Subject: Re: bug#11665: kill-buffer gives an error on killing dead buffers
Date: Mon, 18 Jun 2012 09:24:37 +0200

> There seem more occasions where this problem could strike.  Also, we
> should return t when we find out that the buffer name has been reset to
> nil under our feet.  Patch attached, comments welcome.

Changes applied to trunk, bug closed.

martin

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