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#47067: 28.0.50; [feature/native-comp] Crash while scrolling through dispnew.c Date: Tue, 16 Mar 2021 15:25:32 +0200 Message-ID: <83k0q7dycz.fsf@gnu.org> References: <83sg52lykn.fsf@gnu.org> <83k0qagtfe.fsf@gnu.org> <83im5ugpym.fsf@gnu.org> <83czw2gopq.fsf@gnu.org> <834khege1f.fsf@gnu.org> <8335wygcpq.fsf@gnu.org> <83zgz5g8u8.fsf@gnu.org> <83wnu9g757.fsf@gnu.org> <83mtv5frr4.fsf@gnu.org> <83wnu8e02r.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31194"; mail-complaints-to="usenet@ciao.gmane.io" Cc: pipcet@gmail.com, 47067@debbugs.gnu.org To: Andrea Corallo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Mar 16 14:26:16 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 1lM9iB-00081x-5c for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 16 Mar 2021 14:26:15 +0100 Original-Received: from localhost ([::1]:50010 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lM9iA-0007QY-75 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 16 Mar 2021 09:26:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56070) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lM9hy-0007OT-Vv for bug-gnu-emacs@gnu.org; Tue, 16 Mar 2021 09:26:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55197) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lM9hy-0000jV-8L for bug-gnu-emacs@gnu.org; Tue, 16 Mar 2021 09:26:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lM9hy-0006Wo-3G for bug-gnu-emacs@gnu.org; Tue, 16 Mar 2021 09:26:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 16 Mar 2021 13:26:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47067 X-GNU-PR-Package: emacs Original-Received: via spool by 47067-submit@debbugs.gnu.org id=B47067.161590113925064 (code B ref 47067); Tue, 16 Mar 2021 13:26:02 +0000 Original-Received: (at 47067) by debbugs.gnu.org; 16 Mar 2021 13:25:39 +0000 Original-Received: from localhost ([127.0.0.1]:38510 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lM9ha-0006WC-Nb for submit@debbugs.gnu.org; Tue, 16 Mar 2021 09:25:39 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:38114) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lM9hZ-0006W0-2S for 47067@debbugs.gnu.org; Tue, 16 Mar 2021 09:25:37 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38473) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lM9hT-0000Rb-Gq; Tue, 16 Mar 2021 09:25:31 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4404 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lM9hG-0002aT-7p; Tue, 16 Mar 2021 09:25:20 -0400 In-Reply-To: (message from Andrea Corallo on Mon, 15 Mar 2021 20:17:18 +0000) 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:202460 Archived-At: > From: Andrea Corallo > Cc: pipcet@gmail.com, 47067@debbugs.gnu.org > Date: Mon, 15 Mar 2021 20:17:18 +0000 > > Eli Zaretskii writes: > > > I still see some strange phenomena with backtraces under GDB, which > > tell me we sometimes clobber saved registers or something. How else > > to explain that one backtrace may be truncated after 20 frames, while > > the next backtrace shows all the frames back to 'main'? > > > > What could explain this? another snafu with setjmp? > > Dunno, but the only place where we emit setjmps is the one now fixed. Fair enough. I asked the GDB folks to help me analyze this.