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#51473: [PATCH] Enable xwidget scrolling optimizations, and other xwidgets improvements Date: Sat, 06 Nov 2021 10:06:06 +0800 Message-ID: <87r1bu6nsh.fsf@yahoo.com> References: <87zgqslafe.fsf.ref@yahoo.com> <87zgqslafe.fsf@yahoo.com> <875yt7plc1.fsf@gnus.org> <87mtmj9hts.fsf@yahoo.com> <87cznelojs.fsf@gnus.org> <87fssa90vv.fsf@yahoo.com> <87r1buk92k.fsf@gnus.org> <8735oa876a.fsf@yahoo.com> <87wnlmdtag.fsf@gnus.org> 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="30845"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 51473@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 06 03:07:20 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 1mjB72-0007pj-39 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 6 Nov 2021 02:06:19 +0000 Original-Received: by kubenode510.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID f0132406cdf2bbf2d44012596c733c35; Sat, 06 Nov 2021 02:06:12 +0000 (UTC) In-Reply-To: <87wnlmdtag.fsf@gnus.org> (Lars Ingebrigtsen's message of "Sat, 06 Nov 2021 01:25:27 +0100") X-Mailer: WebService/1.1.19266 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:219062 Archived-At: Lars Ingebrigtsen writes: > Po Lu writes: > >> A temporary workaround is to disable sandboxing of the WebKit >> sub-processes. Would this be acceptable? > > Hm... I'd rather not, if possible. But if that's the only non-invasive > fix possible... I will try to find some other non-invasive fix. >> Also, would it be OK to adopt such a change in the release branch? > If Emacs 28 is segfaulting (and I assume it is, but I've only tried > Emacs 29) on a lot of newer systems, then I guess we should. It's not a segfault, but rather some race condition occurring in WebKitGTK+, which causes it to invoke one of the GLib logging functions incorrectly, which then raises SIGTRAP. This crash also happens in Emacs 27, and also GNOME's Yelp viewer.