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#30088: Rendering glitch with double buffering enabled Date: Tue, 22 Feb 2022 09:05:35 +0800 Message-ID: <87v8x7d82o.fsf@yahoo.com> References: <87inc7gifs.fsf@cassou.me> <87lggzecb8.fsf@cassou.me> <87inbr10is.fsf@cassou.me> <87r2qcby0f.fsf@cassou.me> <83y3kkjslk.fsf@gnu.org> <04de41eb-145b-9a41-d341-8fdf818a0486@yandex.ru> <838tcjjp3j.fsf@gnu.org> <87ee3wi6gv.fsf_-_@gnus.org> <87czjgi5pg.fsf@cassou.me> <87h78sgq9o.fsf@gnus.org> <83czjguoys.fsf@gnu.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="17491"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: 30088@debbugs.gnu.org, npostavs@users.sourceforge.net, damien@cassou.me, dgutov@yandex.ru, charles@aurox.ch, Lars Ingebrigtsen To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Feb 22 02:06:12 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 1nMJd6-0004Ij-7Y for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 22 Feb 2022 01:05:44 +0000 Original-Received: by kubenode510.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID dc025163b659046d071806a574b00d95; Tue, 22 Feb 2022 01:05:39 +0000 (UTC) In-Reply-To: <83czjguoys.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 21 Feb 2022 19:08:43 +0200") X-Mailer: WebService/1.1.19797 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:227401 Archived-At: Eli Zaretskii writes: > I reverted that commit. > > PROBLEMS is special in that it describes issues with software other > than Emacs. Since we cannot control that external software, we > usually cannot know whether and when those issues are resolved, nor > whether old versions of that software are still being used by someone > who happens to run a newer Emacs. So the fact that Damien no longer > sees the problem doesn't mean it cannot happen to someone else, > because what fixed that for Damien could be upgrade of some software > (other than Emacs) which other Emacs users don't necessarily share. > > For this reason, we almost never can positively know that a PROBLEMS > entry is no longer relevant, and that is why we have there very old > entries. (It's possible that some of them can be removed, but the > rationale should be that we can establish positively that the software > causing problems is known to not be relevant anymore.) Yes. This particular bug also depends on the video driver and X server to a larger degree than normal. Damien could have upgraded his X server, but other people might be running different versions (or entirely different servers altogether.)