From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: Emacs 25 hangs on windows arbitrarily during search of a unicode file Date: Sat, 28 Oct 2017 14:31:25 +0300 Message-ID: <83mv4b5x0y.fsf@gnu.org> References: <837evrerok.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1509190326 1571 195.159.176.226 (28 Oct 2017 11:32:06 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 28 Oct 2017 11:32:06 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Oct 28 13:32:02 2017 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e8PLK-00081H-Du for geh-help-gnu-emacs@m.gmane.org; Sat, 28 Oct 2017 13:31:58 +0200 Original-Received: from localhost ([::1]:60517 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e8PLR-0005DT-O3 for geh-help-gnu-emacs@m.gmane.org; Sat, 28 Oct 2017 07:32:05 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44172) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e8PKw-0005CR-2P for help-gnu-emacs@gnu.org; Sat, 28 Oct 2017 07:31:34 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e8PKs-0006By-V7 for help-gnu-emacs@gnu.org; Sat, 28 Oct 2017 07:31:34 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:47030) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e8PKs-0006Bl-R1 for help-gnu-emacs@gnu.org; Sat, 28 Oct 2017 07:31:30 -0400 Original-Received: from [176.228.60.248] (port=4586 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1e8PKs-0007Yf-2H for help-gnu-emacs@gnu.org; Sat, 28 Oct 2017 07:31:30 -0400 In-reply-to: (message from Richard Copley on Sat, 28 Oct 2017 12:05:28 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:114674 Archived-At: > From: Richard Copley > Date: Sat, 28 Oct 2017 12:05:28 +0100 > Cc: "help-gnu-emacs@gnu.org" > > >> If I just open the attached file (it's a unicode file) and do nothing but > >> C-g C-s a few times quickly, I run into the hang. > >> > >> I'd appreciate it very much if someone could let me know how I could avoid > >> this hang or dig out more information. > > > > I can see it in Emacs 25.2, but not in the pretest of what will become > > Emacs 26.1. So one thing you could do is install that pretest, it's > > available from alpha.gnu.org. > > I don't see a hang, I see an immediate segfault. I build emacs-26 myself. > The recipe from "emacs -Q servicelistpage.txt": > Type C-g. > > The crash occurs at -O1 and -O3. It does not occur at -O0. Attached is > a gdb backtrace (at -O1 -ggdb3). This is built with the 64-bit mingw-w64 > toolchain from MSYS2, up to date as of now, from the fsf emacs-26 > branch, with no local patches. I have 26.0.90 compiled with -Og, and it is not reproducible on my system. Maybe it's something specific to the 64-bit build? My builds are 32-bit.