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#21428: 24.5; Crash of emacs on OS X, installed via homebrew cask Date: Thu, 01 Oct 2015 12:36:02 +0300 Message-ID: <83k2r79bi5.fsf@gnu.org> References: <8337xyelev.fsf@gnu.org> <83vbaucx7c.fsf@gnu.org> <83fv1xd71j.fsf@gnu.org> <83bncld3vf.fsf@gnu.org> <838u7pd02c.fsf@gnu.org> <837fn9cxe3.fsf@gnu.org> <83k2r8b4rr.fsf@gnu.org> <834mibbstw.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1443711037 31619 80.91.229.3 (1 Oct 2015 14:50:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 1 Oct 2015 14:50:37 +0000 (UTC) Cc: 21428@debbugs.gnu.org, mituharu+bug-gnu-emacs-mac@math.s.chiba-u.ac.jp To: Rainer M Krug Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 01 16:50:27 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 1ZhfBi-0007gq-MH for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 01 Oct 2015 09:37:02 +0000 Original-Received: (at 21428) by debbugs.gnu.org; 1 Oct 2015 09:36:23 +0000 Original-Received: from localhost ([127.0.0.1]:49907 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ZhaHn-0007lK-0g for submit@debbugs.gnu.org; Thu, 01 Oct 2015 05:36:23 -0400 Original-Received: from mtaout23.012.net.il ([80.179.55.175]:37098) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ZhaHk-0007lA-4o for 21428@debbugs.gnu.org; Thu, 01 Oct 2015 05:36:21 -0400 Original-Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0NVJ00H00BLVYT00@a-mtaout23.012.net.il> for 21428@debbugs.gnu.org; Thu, 01 Oct 2015 12:36:12 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NVJ00H04C0CYD30@a-mtaout23.012.net.il>; Thu, 01 Oct 2015 12:36:12 +0300 (IDT) In-reply-to: X-012-Sender: halo1@inter.net.il 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:107140 Archived-At: > From: Rainer M Krug > Cc: 21428@debbugs.gnu.org, mituharu+bug-gnu-emacs-mac@math.s.chiba-u.ac.jp > Date: Thu, 01 Oct 2015 10:21:04 +0200 > > OK - it seems not to continue after some time after the breakpoint at > line 4199. > > Attached are the log and the script I used. > > I'll leave the session open. > > This seems to be triggered by something else - I manually entered "c" > but it just gave me this output (also at the end of the log): > > ,---- > | (gdb) c > | Continuing. > | > | Program received signal EXC_BAD_ACCESS, Could not access memory. > | Reason: KERN_INVALID_ADDRESS at address: 0x00000000016519e0 > | free_realized_faces (c=0x1016519c0) at xfaces.c:4199 > | 4199 c->used = 0; > | (gdb) p c->used > | $502 = 26 > | (gdb) > `---- This is strange: the problematic address, 0x00000000016519e0, is the address of the cache (0x1016519c0) with the 33rd bit reset. Are you sure you don't have some hardware problem on that machine? Or maybe it's a GDB bug? Or even some kernel bug? I don't really understand what this means. I can only suggest to run another session with the same commands, and see if it fails in the same way. Thanks.