From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#50453: 27.2; Portable dumper broken on MSW Date: Thu, 09 Sep 2021 14:57:14 +0300 Message-ID: <8335qekllx.fsf@gnu.org> References: <871r60v9i0.fsf.ref@yahoo.com> <871r60v9i0.fsf@yahoo.com> <83eea0pkdz.fsf@gnu.org> <87y287nsz5.fsf@yahoo.com> <83pmtjmc6e.fsf@gnu.org> <87bl52npea.fsf@yahoo.com> <87sfyem17q.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20485"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 50453@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 09 13:58:16 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mOIh5-00053n-JA for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 09 Sep 2021 13:58:15 +0200 Original-Received: from localhost ([::1]:52822 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mOIh4-0005N9-MR for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 09 Sep 2021 07:58:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47638) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mOIgu-0005MO-AH for bug-gnu-emacs@gnu.org; Thu, 09 Sep 2021 07:58:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50985) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mOIgr-0000Qd-Kc for bug-gnu-emacs@gnu.org; Thu, 09 Sep 2021 07:58:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mOIgr-0003JS-J6 for bug-gnu-emacs@gnu.org; Thu, 09 Sep 2021 07:58:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 09 Sep 2021 11:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50453 X-GNU-PR-Package: emacs Original-Received: via spool by 50453-submit@debbugs.gnu.org id=B50453.163118862912626 (code B ref 50453); Thu, 09 Sep 2021 11:58:01 +0000 Original-Received: (at 50453) by debbugs.gnu.org; 9 Sep 2021 11:57:09 +0000 Original-Received: from localhost ([127.0.0.1]:34292 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mOIg1-0003Ha-Kb for submit@debbugs.gnu.org; Thu, 09 Sep 2021 07:57:09 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:59390) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mOIfx-0003Gx-BC for 50453@debbugs.gnu.org; Thu, 09 Sep 2021 07:57:07 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:54962) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mOIfs-0007yu-2u; Thu, 09 Sep 2021 07:57:00 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1100 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mOIfr-00069v-Lu; Thu, 09 Sep 2021 07:57:00 -0400 In-Reply-To: <87sfyem17q.fsf@yahoo.com> (message from Po Lu on Thu, 09 Sep 2021 19:34:49 +0800) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:213892 Archived-At: > From: Po Lu > Cc: 50453@debbugs.gnu.org > Date: Thu, 09 Sep 2021 19:34:49 +0800 > > Nevermind, I was able to get the debugger to work, though not very > reliably. > > It appears to fail at line 5428 of pdumper.c, where dump_mmap_contiguous > returns false. Unfortunately, the GDB session is extremely unreliable; > I was only able to get this information after Windows crashed a dozen or > so times. That's what I guessed might be the problem. Can you put a breakpoint in dump_map_file_w32 and verify that it is called? If it is indeed called, can you step through it and see if it fails, and if so, how? Thanks.