From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#53420: 29.0.50; NULL cairo context while frame resize, causes segfault with visible-bell Date: Sat, 22 Jan 2022 09:13:20 +0800 Message-ID: <87ilucwp1r.fsf@yahoo.com> References: <877dateyyi.fsf@usi.ch> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22205"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: 53420@debbugs.gnu.org To: Antonio Carzaniga Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jan 22 02:14:23 2022 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 1nB4z0-0005Yy-T7 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 22 Jan 2022 02:14:23 +0100 Original-Received: from localhost ([::1]:56400 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nB4yz-0000MW-2o for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 21 Jan 2022 20:14:21 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:47434) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nB4yg-0000Ks-O0 for bug-gnu-emacs@gnu.org; Fri, 21 Jan 2022 20:14:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42497) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nB4yg-0005mU-E4 for bug-gnu-emacs@gnu.org; Fri, 21 Jan 2022 20:14:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nB4yg-000502-6y for bug-gnu-emacs@gnu.org; Fri, 21 Jan 2022 20:14:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Po Lu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 22 Jan 2022 01:14:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 53420 X-GNU-PR-Package: emacs Original-Received: via spool by 53420-submit@debbugs.gnu.org id=B53420.164281402019177 (code B ref 53420); Sat, 22 Jan 2022 01:14:02 +0000 Original-Received: (at 53420) by debbugs.gnu.org; 22 Jan 2022 01:13:40 +0000 Original-Received: from localhost ([127.0.0.1]:35400 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nB4yK-0004zE-JK for submit@debbugs.gnu.org; Fri, 21 Jan 2022 20:13:40 -0500 Original-Received: from sonic316-21.consmr.mail.ne1.yahoo.com ([66.163.187.147]:37501) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nB4yF-0004yt-1V for 53420@debbugs.gnu.org; Fri, 21 Jan 2022 20:13:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1642814008; bh=oc4hVzgbdXoSXq22T0wCJqXmylS4jq7Onjv+OEHiBe8=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=pD9Ll0jIIqHDxoRB05JkLSynS62kVNiAYTTrAJEbekznOzpTmz3NBXPQNo+YcrjDWGcNyCsPlUPOLIazwLUqKw2y+dqx/xv/n5Vn21xT2KqwsO/Ledo8HBBcXfnm0/l46lHxDhp9RelCCyBUda3vqzg1MSoebCMnC45y6vDfQyvrPskkJKp0faPugB8hqgz+5Sr7cnhmIZ1HwbGM3pZ24Qc2xCa5gs67QAcdxWVtHEJuR1J65+idpSuCZxjh6mwrJpzlNO8TqjTCGdVv6Vt1CS2yfl+yBj6OBRE+rFXMFTvyeNmV/HmAwhyY8CNcBQDrmIlRDRJ0NuhgtKNt7PLNUA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1642814008; bh=aqZp5w/HXsifNmd0FOOwUSA0jRhc+kWv0vkFFHDotqo=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=OTLt7Z0aL5cARuInArT2UtS4C528fU+bSW5B8rsnd+ILo7vE6hLOp4mbVvfPiaowavQNoxwQXwjQZzWbDJMByQB3zcJwg7YlWdKNqLp9aV0ijyia3wWj1+1vQGo22IXrQRubYURg71Q2JsDJnJiOsqrexIReKtbVpWP6Hmed9g9W3NiRwkqf15IuWWFu+fQZIaQ3ibZ71g1j2C2RqQ0teFHeP6CFYtIupjCDeOUHK/RPtWeqwkIL9TaDkB8JTeN+edsZvMWBIB1jqLkfG9kTF28kgy2Y/pfiHB0clO8wXpXMBwADO3F+e+5JZ11sIfDkE/p/txx+el27sXXKnpPAhg== X-YMail-OSG: KzsKBkAVM1nMpQnsVwYpCm3iA4kXeSk3E.X1HX6R1TEsVCZPgpoRddRgkH5TBWq _hLrdnmpbWKRL2wGdtSbQsQXDXUm5Ip2ETwH3Fa_vc2eicvOrQjXhpmq31TqXpHabrxpZM_X5f6p WLqKGfnDBBhS9nxBsA2P5OVQjw4TyTuPyxbcIxf5YjCUDMcwJCNcbGTBXAz58EZ.vFF8I3Pv3eHK zblPhrwuEWWhvxd79vOuN4HMlaJu3SCWFJnVuMSOUhyrEi1NsGr7417rjXk.U3Pm0DF8B0a7PJm4 3GQM3UNkNwkpqT06I7Lqr1Ho6YOnNVK3By5cGVcdetNCXQt1e7EAEeFrLoqE3UcrX8Lo8pbjAFWO OjwiZgea9JCPcIw1tW6mVBYVmDQwbRut7uWOGGCSV4DYydqGv5EfB_jqdAxjGdL6Y0Jvrt.jM_r7 OmlV761394gRU9Aij.g5imSTjnhbgWyHuy5WldKvLy8KJKmNvOZ92.aHRBcJ.lhgMZrVIPz7Olx3 8kZ0n92XNEnoVH2ilXtMIjABzMrNLgoS21OfDYUJQGFnME6YstPBEG.6CT44fyXI3jk697fHtmoo OzF8w9O9RrqNKgE1Z8qMwV7uqBrLZdYCu3hpmTQhsF5UkQuk3pkP5FX1QvZoR_iQrKxc4ESuYBMZ iJDqYIsf1gvtQmxPsN7PUK_r.ZB6H34QIg68Zfu606IPEkRlS2G3rXFN7TbdZLUkxzxzM36UEVvn OMPVcQGvcjAKNVanmOGhxj1oGBaCRz_rj6gfnqe_LFkUiO4045ZK0sPGDgFxm0W7zR4.GdIRy9jW 7lVzAee1XWqe9U3wCvtnPH8amLgSkSLuPlUS06ue7M X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic316.consmr.mail.ne1.yahoo.com with HTTP; Sat, 22 Jan 2022 01:13:28 +0000 Original-Received: by kubenode501.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 68cc5f0562628d541696804dbf13909b; Sat, 22 Jan 2022 01:13:24 +0000 (UTC) In-Reply-To: <877dateyyi.fsf@usi.ch> (Antonio Carzaniga's message of "Fri, 21 Jan 2022 16:49:25 +0100") X-Mailer: WebService/1.1.19615 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo 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:224799 Archived-At: Antonio Carzaniga writes: > M-x set-variable RET visible-bell > > Now resize the emacs frame and at the same time give a keyboard command > that causes emacs to ring the bell. I know it's not a common thing to > do, in fact I just happened to do that by mistake. Specifically for me, > s- maximizes the frame vertically, and I also pressed , which > causes emacs to complain that s- is undefined and therefore ring > the bell. > > Anyway, now emacs crashes. A bit of analysis reveals the following > sequence of events (logged using gdb) in which the cairo context > associated with the selected frame is temporarily set to null during the > frame-resize operation, and pgtk_ring_bell and then pgtk_flash are > called before the cairo context is properly restored. Thanks, should be fixed now.