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#61667: 29.0.60; Failure to redisplay Date: Thu, 02 Mar 2023 12:11:38 +0800 Message-ID: <87a60vztad.fsf@yahoo.com> References: <04d7cb31-684c-07c0-ee7b-503514fc1a85@yandex.ru> <41c5671e-e9c3-33f3-6c9c-8a1a6fc527fb@yandex.ru> <83ttz8ils1.fsf@gnu.org> <8716b41c9716878d8cb9@heytings.org> <8716b41c97839d6a8b87@heytings.org> <7fee18a7-3307-b6de-1428-ae17d51c85af@yandex.ru> <9ac9271f1ee55a9b8bbf@heytings.org> <87a60y13ou.fsf@yahoo.com> <674e150e-fcbe-7d67-962e-214cfaec2ca0@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> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; 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Hermes SMTP Server) with ESMTPA ID 4f03cfcf08c44d54c9a7fa0a22da1748; Thu, 02 Mar 2023 04:11:42 +0000 (UTC) In-Reply-To: <8f4df0d7-eb1a-379a-db03-314f2c93743b@yandex.ru> (Dmitry Gutov's message of "Thu, 2 Mar 2023 03:44:48 +0200") X-Mailer: WebService/1.1.21221 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:257111 Archived-At: Dmitry Gutov writes: > On 02/03/2023 02:34, Po Lu wrote: >> Dmitry Gutov writes: >> >>> But blink-cursor-mode was on, of course. It's -Q: everything's on what >>> was not turned off. >>> >>> And it turns out to be the reason for the difference between this and >>> my personal config. With blink-cursor-mode off, the delay can reach >>> multiple seconds like I previously reported. >>> >>> Attaching new recordings with b-c-m off, same naming scheme. >>> >>> x_set_title:*scratch* - GNU Emacs at potemkin, 565346760276 >>> show_back_buffer: 565346918720 >>> show_back_buffer: 565347019580 >>> show_back_buffer: 565347025374 >>> show_back_buffer: 565347147607 >>> show_back_buffer: 565347299581 >>> show_back_buffer: 565347345317 >>> x_set_title: xassociations.rb - GNU Emacs at potemkin, 565347345457 >>> show_back_buffer: 565347355456 >>> show_back_buffer: 565353039484 >>> >>> x_set_title:*scratch* - GNU Emacs at potemkin, 565390536932 >>> show_back_buffer: 565390678689 >>> show_back_buffer: 565390747051 >>> show_back_buffer: 565390750166 >>> show_back_buffer: 565390875109 >>> show_back_buffer: 565391250430 >>> show_back_buffer: 565391380489 >>> show_back_buffer: 565391396116 >>> x_set_title: xassociations.rb - GNU Emacs at potemkin, 565391396257 >>> show_back_buffer: 565391404687 >>> show_back_buffer: 565397707089 >>> >>> x_set_title:*scratch* - GNU Emacs at potemkin, 565404022729 >>> show_back_buffer: 565404182867 >>> show_back_buffer: 565404241162 >>> show_back_buffer: 565404244561 >>> show_back_buffer: 565404369071 >>> show_back_buffer: 565404647259 >>> show_back_buffer: 565404666484 >>> x_set_title: xassociations.rb - GNU Emacs at potemkin, 565404666623 >>> show_back_buffer: 565404674305 >>> show_back_buffer: 565405233868 >> Thanks. Unfortunately, now we're back to square one: all three logs are >> identical, and I can't see any problems in Emacs. > > So... in both problematic cases is seems like there is a > show_back_buffer call right after x_set_title, and yet it does not > reflect on screen. Right? Yes. > And the next one (the last one) happens much later. From further > testing, it seems to correlate to me typing 'C-x C-c', rather than to > when the frame finally refreshes after the delay (for example, when I > decide to stop waiting and hover with the mouse over the frame, or > over the title bar buttons). Indeed, that's what it seems like to me as well. > Does that mean, then, that the refresh of the frame after the delay > does not correspond to any buffer flushing on Emacs' part? Yes. It sure sounds like a bug in the GNOME compositor now. Have you tried disabling GNOME Shell extensions one by one? Maybe one of them is responsible for this.