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.devel Subject: Re: [scratch/igc] 985247b6bee crash on Linux, KDE, Wayland Date: Thu, 05 Sep 2024 14:01:11 +0300 Message-ID: <865xra4b60.fsf@gnu.org> References: <8734mezkgo.fsf@gmail.com> <87jzfqse2c.fsf@gmail.com> <87jzfqwlm4.fsf@gmail.com> <87cylisdlg.fsf@gmail.com> <877cbq752f.fsf@gmail.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21499"; mail-complaints-to="usenet@ciao.gmane.io" Cc: eller.helmut@gmail.com, emacs-devel@gnu.org To: Eval EXEC Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Sep 05 13:01:36 2024 Return-path: Envelope-to: ged-emacs-devel@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 1smAF6-0005Rt-8P for ged-emacs-devel@m.gmane-mx.org; Thu, 05 Sep 2024 13:01:36 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1smAEt-0002AL-V6; Thu, 05 Sep 2024 07:01:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smAEp-000285-Oe for emacs-devel@gnu.org; Thu, 05 Sep 2024 07:01:20 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smAEp-0006Qp-B8; Thu, 05 Sep 2024 07:01:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=zE+8iJd9jKBbh9cqIxK95GV0JM5a3aAhlzdlql7y3EY=; b=JVJiL+fD/pxd qQmkcvy/Y45GuqHHW/dB2BYLP+mQwKB9NqqBRjfry9HB8F0s79s0G/OGNPcCHs+XRmROIvbnIAkWD 75QxdnJa7J5iYCFcGDC7f2eL/L85ueKqlBnx4yo6otJ7Tdp/ybRIWJxwtpv3nmzAY4Ix29FJAMrAF DzvtDi3g9MKwWyzvmxLJCm4kj4hnQw5FVJNvngCSGFiVw2cvRxYgPHgDzXiX9BvJmCnfndj6P0VqC mc2W+y9q7+REbQZSxLd7BbCIGnRwZWsSQLyrwVf1dtitV4IppH3iINyfUO69k99ZNPEBlNxT3uI6i AwnFzJ+4oqM9oG2Tb5ZBiw==; In-Reply-To: <877cbq752f.fsf@gmail.com> (message from Eval EXEC on Thu, 05 Sep 2024 18:44:40 +0800) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:323393 Archived-At: > From: Eval EXEC > Cc: emacs-devel > Date: Thu, 05 Sep 2024 18:44:40 +0800 > > Helmut Eller writes: > > > On Thu, Sep 05 2024, Eval EXEC wrote: > > > >> Helmut Eller writes: > >> > >>> I think you need to add -fno-omit-frame-pointer (or use the patch > >>> https://github.com/Ravenbrook/mps/pull/38). Without that, MPS doesn't > >>> trace the %rbp register properly. > >> > >> Will `-fno-omit-frame-pointer` > > > > This will cost a little. Though, it usually also helps perf to produce > > more useful reports. > > > >> or apply use github PR patch performance > >> emacs's performance? > > > > The patch should not cost any performance. > > I compiled scratch/igc emacs with `-fno-omit-frame-pointer`, it crash > again, and I don't know how to reproduce. Please show the value of system-configuration-options, so that we are sure the switch was indeed noted. Also, I would suggest to rebuild with -O2, since -O3e could perform other unsafe optimizations.