From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#22739: 25.0.50; Hangs on revertig buffer Date: Fri, 19 Feb 2016 17:45:58 +0200 Message-ID: <83twl4r9e1.fsf@gnu.org> References: <87lh6hcr2o.fsf@telefonica.net> <83ziuxru6l.fsf@gnu.org> <878u2gdedv.fsf@wanadoo.es> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1455896843 27937 80.91.229.3 (19 Feb 2016 15:47:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Feb 2016 15:47:23 +0000 (UTC) Cc: 22739@debbugs.gnu.org To: =?UTF-8?Q?=C3=93scar?= Fuentes Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Feb 19 16:47:12 2016 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 1aWnGx-00053a-RD for geb-bug-gnu-emacs@m.gmane.org; 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Fri, 19 Feb 2016 10:46:10 -0500 In-reply-to: <878u2gdedv.fsf@wanadoo.es> (message from =?UTF-8?Q?=C3=93scar?= Fuentes on Fri, 19 Feb 2016 14:21:48 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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:113302 Archived-At: > From: Óscar Fuentes > Cc: 22739@debbugs.gnu.org > Date: Fri, 19 Feb 2016 14:21:48 +0100 > > move_it_vertically_backward (it=it@entry=0x7ffead898b20, dy=dy@entry=500) > at ../../emacs/src/xdisp.c:9489 > 9489 && SREF (it2.string, IT_STRING_BYTEPOS (it2) - 1) == '\n'))); > Value returned is $6 = 812 > (gdb) > Run till exit from #0 move_it_vertically_backward (it=it@entry=0x7ffead898b20, > dy=dy@entry=500) at ../../emacs/src/xdisp.c:9489 > 0x000000000054ae08 in internal_condition_case ( > bfun=bfun@entry=0x4e80d0 , handlers=handlers@entry=17856, > hfun=hfun@entry=0x4de9c0 ) at ../../emacs/src/eval.c:1300 > 1300 if (sys_setjmp (c->jmp)) > (gdb) This seems to say that the display engine signaled an error. If so, the error message should be in *Messages*. One way of accessing the error messages is to use the facilities in etc/emacs-buffer.gdb (after you instruct GDB to load that file with the "source" command) to access the text of *Messages*. An alternative is to put a breakpoint in Fsignal, and look at the error symbol and data when the breakpoint breaks, using the commands in src/.gdbinit that display Lisp objects. (But do NOT use "pp", because it invokes a function inside Emacs.) Can you do any of these? If you need more detailed instructions, just ask. Thanks.