From unknown Fri Aug 15 21:23:48 2025 X-Loop: don@donarmstrong.com Subject: bug#1071: Looping in redisplay due to font problem Reply-To: Kenichi Handa , 1071@debbugs.gnu.org Resent-From: Kenichi Handa Resent-To: bug-submit-list@lists.donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Fri, 03 Oct 2008 01:30:02 +0000 Resent-Message-ID: Resent-Sender: don@donarmstrong.com X-Emacs-PR-Message: report 1071 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Received: via spool by submit@emacsbugs.donarmstrong.com id=B.12229970693250 (code B ref -1); Fri, 03 Oct 2008 01:30:02 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.3-bugs.debian.org_2005_01_02 (2007-08-08) on rzlab.ucr.edu X-Spam-Level: X-Spam-Status: No, score=-6.1 required=4.0 tests=AWL,BAYES_00,IMPRONONCABLE_2, RCVD_IN_DNSWL_MED autolearn=ham version=3.2.3-bugs.debian.org_2005_01_02 Received: (at submit) by emacsbugs.donarmstrong.com; 3 Oct 2008 01:24:29 +0000 Received: from fencepost.gnu.org (fencepost.gnu.org [140.186.70.10]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id m931OPwp003244 for ; Thu, 2 Oct 2008 18:24:27 -0700 Received: from mx10.gnu.org ([199.232.76.166]:32900) by fencepost.gnu.org with esmtp (Exim 4.67) (envelope-from ) id 1KlZMv-0000C4-3b for emacs-pretest-bug@gnu.org; Thu, 02 Oct 2008 21:22:09 -0400 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1KlZP4-0007It-TO for emacs-pretest-bug@gnu.org; Thu, 02 Oct 2008 21:24:24 -0400 Received: from mx1.aist.go.jp ([150.29.246.133]:51733) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KlZP4-0007Hv-3F for emacs-pretest-bug@gnu.org; Thu, 02 Oct 2008 21:24:22 -0400 Received: from rqsmtp2.aist.go.jp (rqsmtp2.aist.go.jp [150.29.254.123]) by mx1.aist.go.jp with ESMTP id m931OJxk016728; Fri, 3 Oct 2008 10:24:19 +0900 (JST) env-from (handa@m17n.org) Received: from smtp2.aist.go.jp by rqsmtp2.aist.go.jp with ESMTP id m931OJeG029221; Fri, 3 Oct 2008 10:24:19 +0900 (JST) env-from (handa@m17n.org) Received: by smtp2.aist.go.jp with ESMTP id m931OJc3016521; Fri, 3 Oct 2008 10:24:19 +0900 (JST) env-from (handa@m17n.org) Received: from handa by etlken.m17n.org with local (Exim 4.69) (envelope-from ) id 1KlZP0-0001GA-VP; Fri, 03 Oct 2008 10:24:18 +0900 From: Kenichi Handa To: Chong Yidong CC: emacs-pretest-bug@gnu.org In-reply-to: <878wt6a7aq.fsf@cyd.mit.edu> (message from Chong Yidong on Thu, 02 Oct 2008 19:47:25 -0400) References: <878wt6a7aq.fsf@cyd.mit.edu> User-Agent: SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/23.0.60 (i686-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.3 - "Ushinoya") Content-Type: text/plain; charset=US-ASCII Message-Id: Date: Fri, 03 Oct 2008 10:24:18 +0900 X-detected-operating-system: by monty-python.gnu.org: Solaris 9 In article <878wt6a7aq.fsf@cyd.mit.edu>, Chong Yidong writes: > After the 2008-07-09 change to ftfont.c, Emacs can loop during redisplay > under the following conditions: > xrdb /dev/null > emacs -Q fc-list.list [fc-list.list is attached] > > > > > Emacs begins looping while in redisplay, while displaying the text > "Corsivo" (the final letter "o" blinks rapidly). > Strangely enough, I can't reproduce this if I substitute C-v for > PageDown (?!??!). Also, the bug doesn't show up if there is an X > resource Emacs.geometry already defined. > The problem seems to have appeared for the first time during the checkin > listed below. My tests indicate that the other files involved this > checkin do not affect the problem. > Could you see if you can reproduce this problem, and review the code > changes to see if they may have caused it? Thanks! That's a very strange phenomenon. But, I can't reproduce it. When I hit PageDown four times, the top line is "Luxi Sans:style=Regular", and "Corsivo" appears on the 9th line (logically 8th line because of continuation). In my case, this font is selected for the default case: -bitstream-Bitstream Vera Sans Mono-normal-normal-normal-*-16-*-*-*-m-0-iso10646-1 Which font is selected in your case? And, what does "Emacs begins looping while in redisplay" exactly mean? --- Kenichi Handa handa@ni.aist.go.jp