From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Zihao Zhu Newsgroups: gmane.emacs.bugs Subject: bug#41627: 28.0.50; Emacs with cairo build segfault in HELLO file Date: Sun, 31 May 2020 22:27:35 +0800 Message-ID: <4b84eca3-25b8-1f06-bdaa-7dd47c6f5976@163.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="43736"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 Cc: 41627@debbugs.gnu.org To: Pip Cet Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun May 31 16:28:13 2020 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 1jfOwd-000BIL-SE for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 31 May 2020 16:28:11 +0200 Original-Received: from localhost ([::1]:55926 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jfOwc-0005CX-V2 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 31 May 2020 10:28:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43416) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jfOwU-0005C9-Up for bug-gnu-emacs@gnu.org; Sun, 31 May 2020 10:28:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50251) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jfOwU-0001kB-Lg for bug-gnu-emacs@gnu.org; Sun, 31 May 2020 10:28:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jfOwU-0004lJ-H3 for bug-gnu-emacs@gnu.org; Sun, 31 May 2020 10:28:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Zihao Zhu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 31 May 2020 14:28:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 41627 X-GNU-PR-Package: emacs Original-Received: via spool by 41627-submit@debbugs.gnu.org id=B41627.159093527418291 (code B ref 41627); Sun, 31 May 2020 14:28:02 +0000 Original-Received: (at 41627) by debbugs.gnu.org; 31 May 2020 14:27:54 +0000 Original-Received: from localhost ([127.0.0.1]:33564 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jfOwG-0004ks-Kk for submit@debbugs.gnu.org; Sun, 31 May 2020 10:27:54 -0400 Original-Received: from m12-14.163.com ([220.181.12.14]:34430) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jfOwD-0004kZ-Ox for 41627@debbugs.gnu.org; Sun, 31 May 2020 10:27:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Subject:From:Message-ID:Date:MIME-Version; bh=esiGi LxoP+t75wKZcX2kxumstLH8c8pdiYySaojuSeM=; b=WbbMEJF0NFxzPfx8mh+Uk B2fhnzlPMdEr1aVvdxhSkkgZaYAUTPMUs448p1o9/WX8jcK8QOD3Ypd8rjIxnyoY sXDRKX3qFyKZ4k0O8tBIPyEvBcHWM+qvaBy1xyi+YMk67gJulXIuNsmt+pZCzSJR 09TCw+pat+fPs1xYZwUbD4= Original-Received: from [192.168.101.55] (unknown [113.100.122.171]) by smtp10 (Coremail) with SMTP id DsCowADHzOjXvtNehQ6aEQ--.57101S2; Sun, 31 May 2020 22:27:35 +0800 (CST) In-Reply-To: Content-Language: en-US X-CM-TRANSID: DsCowADHzOjXvtNehQ6aEQ--.57101S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7Wr4kCw1rAF47ur1DKw4fGrg_yoWDZFXE9a 90qrn5CrW3J3W7Aw4xKrn3GF92q3Wj9rnxXFWaq3yIyF1xJFZxJFyrKF97A3ZrCay0gFnx Cw1Fkrnxt3y29jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU5oa0JUUUUU== X-Originating-IP: [113.100.122.171] X-CM-SenderInfo: pdoosuxxwbztlvw6il2tof0z/xtbBaxc1r1et0jcrdQAAsn 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:181282 Archived-At: I think if font was not installed correctly, Emacs should display "tofu" for unsupported chars, but it will display it and segfault. And I also found that Emacs can work well in ASCII and CJK only environment(Sarasa font). But segfault in HELLO file and any other multi-language buffer which Emacs will choose Noto family to display. On 2020/5/31 下午8:35, Pip Cet wrote: > On Sun, May 31, 2020 at 11:49 AM Zihao Zhu wrote: >> I try the Emacs build in commit >> 780f674a82a90c4e3e32583059b498bfa57e4a06. When I eval >> >> (set-frame-font "Sarasa Mono Slab SC" t) >> GDB attached backtrace in attachment. > This line seems suspicious: > > font_face = 0x7ffff747e880 <_cairo_font_face_nil_file_not_found> > > It looks like you can't rely on cairo_ft_font_face_create_for_pattern > to return a NULL pointer. I suspect the attached patch will work, but > if this is something Cairo does in other places it needs to be > checked. > > (My suspicion is the font was not installed correctly, so Cairo > couldn't find it.)