From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.bugs Subject: bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1' Date: Thu, 03 Sep 2020 16:03:53 +0200 Message-ID: References: <7bb2d5e3-1abf-08d6-d7c8-0f1bd139815e@Alexander.Shukaev.name> <3598262d-b65c-b1b4-310a-29149fd89ebf@Alexander.Shukaev.name> <83k0xbuhdv.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9117"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 43177@debbugs.gnu.org, emacs@Alexander.Shukaev.name To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 03 16:05:11 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 1kDprR-0002CY-Nt for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 03 Sep 2020 16:05:09 +0200 Original-Received: from localhost ([::1]:51176 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kDprQ-0005EN-OP for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 03 Sep 2020 10:05:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53452) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kDprK-0005E5-T7 for bug-gnu-emacs@gnu.org; Thu, 03 Sep 2020 10:05:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52517) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kDprK-0004Dg-JE for bug-gnu-emacs@gnu.org; Thu, 03 Sep 2020 10:05:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kDprK-0000Lp-EI for bug-gnu-emacs@gnu.org; Thu, 03 Sep 2020 10:05:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 03 Sep 2020 14:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 43177 X-GNU-PR-Package: emacs Original-Received: via spool by 43177-submit@debbugs.gnu.org id=B43177.15991418421277 (code B ref 43177); Thu, 03 Sep 2020 14:05:02 +0000 Original-Received: (at 43177) by debbugs.gnu.org; 3 Sep 2020 14:04:02 +0000 Original-Received: from localhost ([127.0.0.1]:35830 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kDpqM-0000KS-Cz for submit@debbugs.gnu.org; Thu, 03 Sep 2020 10:04:02 -0400 Original-Received: from mail-wm1-f52.google.com ([209.85.128.52]:52135) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kDpqK-0000K3-Qv for 43177@debbugs.gnu.org; Thu, 03 Sep 2020 10:04:01 -0400 Original-Received: by mail-wm1-f52.google.com with SMTP id w2so3039155wmi.1 for <43177@debbugs.gnu.org>; Thu, 03 Sep 2020 07:04:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :mime-version:content-transfer-encoding; bh=g5FCNxdoGK6GKRPQv8SoHfaF9wvJIKbHwywGxHn/O+o=; b=U6p+RD18IByY3/JhVUpL/bf5hs7PkeofTPCtrYgJWfCFmXYiZfvCJJWgq076HpyVAO FJqWigHvLl0Z9aLu4FamVlxIpz7zwyu0phgLuhn/Vil+fgBsPTaNYSywGKS18hjOh1RL mbwLeN6crS4RXqbwJ4RSlje1Nepo2BUF5zAdpbUI6Y5SBi53Hm1p6q3zmAUUpTH28g6a uhdu1jydgfBrCWKuVBJyrq7b+hcIpadu87hr1PeofS78iOofk3KzKSRN7nDVwfr+o2Uw mYKkvmABSuPZf2ofCVyPx48A3VFiI3XWrB1jIZRtlHOFMVXG43qahdWRHh280w1zmrPn Z2UA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=g5FCNxdoGK6GKRPQv8SoHfaF9wvJIKbHwywGxHn/O+o=; b=TiIELieNd1XhSUGWDRKpCD3vw+0SuD1CoUHpfsHZOwRbCU9hdu6uXFgOYD8dBPWZad jOIn0RwE/qfZYWvni+F5kLJDX7KIqmm1vlrKxGWKttwmQhvVYMnCqIfUqPI0cDTUJ0a5 YoMSyGedbE20eilf5etqfKc7cnYADjxdiQVlHOUqiBZGqoxdtcVYkf2MuICWRhItMCwg m7LAUTNSOZp2f0R658uZ6QrPmL1TMv4GF6MlgtdkjS3JbUATYRzhKBv4XURj4akt2661 fKs0dEmyVbMP4dN5cQQS6D5bafiEKcK9YBCg4/7hvE4gpk6sLuSh5DsLud5ndHWvZNHJ /p6A== X-Gm-Message-State: AOAM533uL7WoaaigczoXIEHfBrQuvp85ngY3haWTfpXNYmc4qL+scmxf dzkEq4PzjXO55rX50LUIOBI= X-Google-Smtp-Source: ABdhPJwRGWU9zL23ScCc4YTiEbBfjV28cS9kkPbtmqaf0d+bcYYrisYfB6iEiLgnnyhqocHaGKReyQ== X-Received: by 2002:a1c:23c8:: with SMTP id j191mr2588263wmj.64.1599141834823; Thu, 03 Sep 2020 07:03:54 -0700 (PDT) Original-Received: from rpluim-mac ([2a01:e34:ecfc:a860:7c82:fd7:9e25:6f18]) by smtp.gmail.com with ESMTPSA id u66sm4559276wmg.44.2020.09.03.07.03.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 07:03:53 -0700 (PDT) In-Reply-To: <83k0xbuhdv.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 03 Sep 2020 16:19:56 +0300") 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:187017 Archived-At: >>>>> On Thu, 03 Sep 2020 16:19:56 +0300, Eli Zaretskii said: >> From: Robert Pluim >> Date: Thu, 03 Sep 2020 11:58:50 +0200 >> Cc: 43177@debbugs.gnu.org >>=20 >> So this is the 'x' font backend, rather than the 'ftcr' font >> backend, which I would not expect emacs to be falling back to. Eli> Why do you think this is evidence of using the fallback backend? Eli> AFAIR, when Emacs needs to find a font for a character, it loops o= ver Eli> all the fonts with all the available backends, and only later deci= des Eli> which of the fonts to use. Don't you see that if you type some Eli> character unlikely to have been seen in an "emacs -Q" session? You=CA=BCre right, I=CA=BCd run through this in gdb, and set my breakpoint = on the wrong function. 'C-u C-x =3D' would tell us which backend ended up being used. Robert