From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#61667: 29.0.60; Failure to redisplay Date: Mon, 17 Apr 2023 01:26:28 +0300 Message-ID: <8dc8e984-d450-cd43-5b64-4be552e88192@yandex.ru> References: <04d7cb31-684c-07c0-ee7b-503514fc1a85@yandex.ru> <875ybl1dii.fsf@yahoo.com> <2b249c97-db63-34e1-80c2-0c898005e31f@yandex.ru> <87zg8xyt0m.fsf@yahoo.com> <25c817d9-f969-8c24-6ed4-9b35fd6f27ad@yandex.ru> <87sfeozn8f.fsf@yahoo.com> <87o7pczlsq.fsf@yahoo.com> <43d50d6a-1eb0-cd42-0479-3f9d4d74904a@yandex.ru> <87ilfkyorf.fsf@yahoo.com> <8f4df0d7-eb1a-379a-db03-314f2c93743b@yandex.ru> <87a60vztad.fsf@yahoo.com> <14405ac4f8f101c35628@heytings.org> <60c92936-2a75-a254-145a-6a0a1656a645@yandex.ru> <8eda4f1e-233e-4963-1b1d-75945eca01d4@yandex.ru> <874jr2y7qk.fsf@yahoo.com> <66e8b8a4-fa14-800e-659c-d8db1134d71a@yandex.ru> <83r0skbc20.fsf@gnu.org> <23d8f88d-c694-faa0-93f6-1a282443b27d@yandex.ru> <83cz44asoz.fsf@gnu.org> <7d0c9615-a5ae-651d-dab5-ba767454b7bf@yandex.ru> <83354zbxmq.fsf@gnu.org> <73ca92d3-bdd8-4d78-a4b1-ac7263db79c8@app.fastmail.com> <83y1mracgg.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; 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Sun, 16 Apr 2023 18:26:30 -0400 (EDT) Content-Language: en-US In-Reply-To: <83y1mracgg.fsf@gnu.org> 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:260161 Archived-At: On 16/04/2023 21:50, Eli Zaretskii wrote: >> Date: Sun, 16 Apr 2023 20:46:39 +0300 >> From: "Dmitry Gutov" >> >> When you say "gets updated noticeably faster", what exactly do you >> mean? by how much time does the redraw of the windows lag after the >> title bar update? >> >> Can be on the order of seconds or indefinitely, just like described before. > > That's strange. Po Lu, what could prevent the results of rdisplay > from appearing on the glass in this case? AFAIR, we simply call > XFlush when the update of the frame is done; we don't wait for any X > event to trigger redrawing on the glass. > > Dmitry, does this happen with Emacs 28? Actually, this one might be a master-only problem. At least, I'm currently unable to reproduce this with emacs-29, and (probably) saw this only once on emacs-28, out of >50 tries. All with Lucid and xdbe=off. But it's pretty easy to repro on master. I'll try to bisect and report back. BTW, I forgot one step which is possibly necessary for reproduction (step 1.5): maximize the frame.