From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eric Hanchrow Newsgroups: gmane.emacs.bugs Subject: bug#22120: 25.1.50; segfault while running circe Date: Tue, 8 Dec 2015 12:36:52 -0800 Message-ID: References: <83poygbryx.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1449607101 26007 80.91.229.3 (8 Dec 2015 20:38:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 8 Dec 2015 20:38:21 +0000 (UTC) Cc: 22120@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Dec 08 21:38:12 2015 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 1a6P1X-0005uz-UR for geb-bug-gnu-emacs@m.gmane.org; Tue, 08 Dec 2015 21:38:12 +0100 Original-Received: from localhost ([::1]:33432 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6P1W-0005v1-69 for geb-bug-gnu-emacs@m.gmane.org; Tue, 08 Dec 2015 15:38:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60549) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6P1R-0005ug-Mb for bug-gnu-emacs@gnu.org; Tue, 08 Dec 2015 15:38:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a6P1O-0003dV-HN for bug-gnu-emacs@gnu.org; Tue, 08 Dec 2015 15:38:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:54089) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6P1O-0003dO-DP for bug-gnu-emacs@gnu.org; Tue, 08 Dec 2015 15:38:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1a6P1O-0008N9-4U for bug-gnu-emacs@gnu.org; Tue, 08 Dec 2015 15:38:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eric Hanchrow Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 08 Dec 2015 20:38:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22120 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 22120-submit@debbugs.gnu.org id=B22120.144960703532127 (code B ref 22120); Tue, 08 Dec 2015 20:38:02 +0000 Original-Received: (at 22120) by debbugs.gnu.org; 8 Dec 2015 20:37:15 +0000 Original-Received: from localhost ([127.0.0.1]:43797 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a6P0c-0008M6-GD for submit@debbugs.gnu.org; Tue, 08 Dec 2015 15:37:14 -0500 Original-Received: from mail-io0-f182.google.com ([209.85.223.182]:36211) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a6P0a-0008Ly-Ke for 22120@debbugs.gnu.org; Tue, 08 Dec 2015 15:37:13 -0500 Original-Received: by iofh3 with SMTP id h3so37034979iof.3 for <22120@debbugs.gnu.org>; Tue, 08 Dec 2015 12:37:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=UKLxZ1gaix1tEqGDI+QYW+Uvu9I2rMcwGgx2cr1BRcI=; b=wUffNYtPxdWWA5O1k3lrzi2aRnzdMcHfNAbFiR++uiL+r9m79GK9fKnRuFvgID1hMU giKpgF2LAtL0mDdmNzK5unc0EP0QrF1j4vGpGPe5SKa2+YNTPKzFeePTbHz7JnSqr5h8 0K8h8Qp6pl/k7xt0nDAX0ZUiTVzAoIT/hJw/Ieqeeb2X8/geVyPihjnb0JVLb7rKm6wj 5MfnYSZlShh+A1uTGLOfSskajlMdzLVpsm8zr7TaoTIMp3fyiw8tLRqJIMdT+SjKDuE7 KjTIsgLp7MljoGUp7/37KSU+ppCwPxQtMD8Iwa6xYjN/67qMFO1VbnrP3TUmSbxSnpKW i6HA== X-Received: by 10.107.32.209 with SMTP id g200mr1698114iog.39.1449607031969; Tue, 08 Dec 2015 12:37:11 -0800 (PST) Original-Received: by 10.64.27.2 with HTTP; Tue, 8 Dec 2015 12:36:52 -0800 (PST) In-Reply-To: <83poygbryx.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:109804 Archived-At: Dunno if I'm doing this right: (gdb) down #1 CAR (c=...) at lisp.h:1244 1244 return (CONSP (c) ? XCAR (c) (gdb) #0 XCAR (c=...) at lisp.h:1216 1216 return lisp_h_XCAR (c); (gdb) p c $4 = (gdb) up #1 CAR (c=...) at lisp.h:1244 1244 return (CONSP (c) ? XCAR (c) (gdb) p c $5 = (gdb) up #2 Fcar (list=...) at data.c:527 527 return CAR (list); (gdb) p list $6 = { i = 7791354264813860195 } (gdb) xpr list Lisp_Cons $7 = (struct Lisp_Cons *) 0x6c20736c69747560 Cannot access memory at address 0x6c20736c69747560 (gdb) On Tue, Dec 8, 2015 at 12:33 PM Eli Zaretskii wrote: > > > From: Eric Hanchrow > > Date: Tue, 08 Dec 2015 20:19:11 +0000 > > > > I don't remember exactly what I did, but (since I'd seen this problem > > before), I'd started emacs under gdb. I was using the circe IRC client > > via M-x circe RET. I don't think I'd typed anything immediately before > > emacs crashed. > > > > In GNU Emacs 25.1.50.1 (x86_64-unknown-linux-gnu) > > of 2015-12-07 > > Thanks. The master branch takes a back seat for now, so if you could > reproduce this problem on the emacs-25 branch, we will know it's > urgent. > > Also, can you tell why XCAR segfaulted, exactly? What is the value of > 'c' in frame 0?