From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#13756: Selecting deleted gnus-summary-buffer Date: Mon, 18 Feb 2013 23:50:17 +0200 Organization: JURTA Message-ID: <87a9r1er5m.fsf@mail.jurta.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1361229070 20278 80.91.229.3 (18 Feb 2013 23:11:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 18 Feb 2013 23:11:10 +0000 (UTC) To: 13756@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Feb 19 00:11:33 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1U7Zrq-0003Dh-R3 for geb-bug-gnu-emacs@m.gmane.org; Tue, 19 Feb 2013 00:11:27 +0100 Original-Received: from localhost ([::1]:59268 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U7ZrW-0007w1-Pv for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 18 Feb 2013 18:09:56 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U7ZqI-0006Uz-G6 for bug-gnu-emacs@gnu.org; Mon, 18 Feb 2013 18:09:52 -0500 Original-Received: from ps18281.dreamhost.com ([69.163.218.105]:34633 helo=ps18281.dreamhostps.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U7ZqI-0006U8-An for bug-gnu-emacs@gnu.org; Mon, 18 Feb 2013 18:09:50 -0500 Original-Received: from localhost (ps18281.dreamhostps.com [69.163.218.105]) by ps18281.dreamhostps.com (Postfix) with ESMTP id 00E4223C41E582 for ; Mon, 18 Feb 2013 15:09:47 -0800 (PST) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (x86_64-pc-linux-gnu) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:71501 Archived-At: Package: emacs,gnus Version: 24.3.50 Often selecting a Gnus article from the Gnus summary fails with the error: Debugger entered--Lisp error: (error "Selecting deleted buffer") gnus-article-get-xrefs() run-hooks(gnus-tmp-internal-hook) apply(run-hooks gnus-tmp-internal-hook) gnus-run-hooks(gnus-tmp-internal-hook) gnus-article-prepare-display() gnus-article-prepare(57082 nil) gnus-summary-display-article(57082) gnus-summary-next-article(t nil) gnus-summary-next-unread-article() call-interactively(gnus-summary-next-unread-article nil nil) because in `gnus-article-prepare' the line (set-buffer gnus-article-buffer) invalidates the previously live current buffer `gnus-summary-buffer' to #. I've tracked this problem down to revno#111328 that has the following relevant diff parts: +++ lisp/gnus/ChangeLog 2012-12-25 22:12:59 +0000 + + * gnus-art.el (gnus-article-setup-buffer): Make sure that the article + buffer always points to the right summary buffer. + === modified file 'lisp/gnus/gnus-art.el' --- lisp/gnus/gnus-art.el 2012-12-12 22:22:31 +0000 +++ lisp/gnus/gnus-art.el 2012-12-25 22:12:59 +0000 @@ -4539,18 +4539,17 @@ (defun gnus-article-setup-buffer () (gnus-article-mode)) (setq truncate-lines gnus-article-truncate-lines) (current-buffer)) + (let ((summary gnus-summary-buffer)) (with-current-buffer (gnus-get-buffer-create name) (gnus-article-mode) (setq truncate-lines gnus-article-truncate-lines) - (make-local-variable 'gnus-summary-buffer) - (setq gnus-summary-buffer - (gnus-summary-buffer-name gnus-newsgroup-name)) + (set (make-local-variable 'gnus-summary-buffer) summary) (gnus-summary-set-local-parameters gnus-newsgroup-name) (when article-lapsed-timer (gnus-stop-date-timer)) (when gnus-article-update-date-headers (gnus-start-date-timer gnus-article-update-date-headers)) - (current-buffer))))) + (current-buffer)))))) that uses a pointer to the buffer instead of the buffer name. Reverting this commit removes the above error. I don't know what bug this commit was intended to fix, so I can't suggest how to resolve this problem.