From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#34179: 27.0.50; message hangs when buffer with process visible Date: Thu, 24 Jan 2019 21:49:58 +0200 Message-ID: <83bm457s49.fsf@gnu.org> References: <87fttj4dgj.fsf@web.de> <83ef938hik.fsf@gnu.org> <874l9yp50z.fsf@web.de> <87y37anpoj.fsf@web.de> <83pnsm6rxs.fsf@gnu.org> <878szanlua.fsf@web.de> <8736pinlk4.fsf@web.de> <87womum615.fsf@web.de> <87r2d2m5jf.fsf@web.de> <5C49E24F.7080800@gmx.at> <87d0olncf4.fsf@web.de> <877eetnba1.fsf@web.de> <83ef917tf7.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="81595"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 34179@debbugs.gnu.org To: michael_heerdegen@web.de Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 24 20:53:16 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gml3r-000L59-CC for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 24 Jan 2019 14:50:02 -0500 Original-Received: from [176.228.60.248] (port=2828 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gml0k-0001pX-Eo; Thu, 24 Jan 2019 14:50:02 -0500 In-reply-to: <83ef917tf7.fsf@gnu.org> (message from Eli Zaretskii on Thu, 24 Jan 2019 21:21:48 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:154752 Archived-At: > Date: Thu, 24 Jan 2019 21:21:48 +0200 > From: Eli Zaretskii > Cc: 34179@debbugs.gnu.org > > Here's the Lisp backtrace: > > "select-window" (0x82a508) > "window-max-chars-per-line" (0x82aae0) > "window-adjust-process-window-size" (0x82b0a0) > "window-adjust-process-window-size-smallest" (0x82b618) > "window--adjust-process-windows" (0x82bbc0) > "redisplay_internal (C function)" (0x0) > "message" (0x82cdb0) > "progn" (0x82cff8) > "if" (0x82d198) > "let*" (0x82d3c8) > "catch" (0x82d608) > "fracy-display-frame-list" (0x82d7c0) > "if" (0x82dac8) > "fracy-flash-window" (0x82dc80) > "let" (0x82e018) > "ad-Advice-handle-switch-frame" (0x82e4a0) > "apply" (0x82e498) > "handle-switch-frame" (0x82ebe0) > "funcall-interactively" (0x82ebd8) > "call-interactively" (0x82f030) > "command-execute" (0x82f628) > > The C portion of the backtrace below selec t-window is this: > > #0 redisplay_other_windows () at xdisp.c:597 > #1 0x010aa09e in select_window (window=XIL(0xa000000006919aa0), > norecord=XIL(0x3d36a14), inhibit_point_swap=false) at window.c:540 > #2 0x010aa62a in Fselect_window (window=XIL(0xa000000006919aa0), > norecord=XIL(0x3d36a14)) at window.c:628 To clarify: these backtraces show where windows_or_buffers_changed is being set to the value of 2, which causes us to retry redisplay. It is a direct consequence of the fact that window-max-chars-per-line calls select-window.