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 09:28:23 +0200 Message-ID: References: <7bb2d5e3-1abf-08d6-d7c8-0f1bd139815e@Alexander.Shukaev.name> 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="20198"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 43177@debbugs.gnu.org To: Alexander Shukaev Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 03 09:33:06 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 1kDjk2-00059D-Hy for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 03 Sep 2020 09:33:06 +0200 Original-Received: from localhost ([::1]:33740 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kDjk1-0004sF-Hu for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 03 Sep 2020 03:33:05 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39908) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kDjg6-0007EP-UJ for bug-gnu-emacs@gnu.org; Thu, 03 Sep 2020 03:29:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50033) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kDjg6-0001tx-IV for bug-gnu-emacs@gnu.org; Thu, 03 Sep 2020 03:29:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kDjg6-0000Fq-Dp for bug-gnu-emacs@gnu.org; Thu, 03 Sep 2020 03:29:02 -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 07:29:02 +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=B43177.1599118116943 (code B ref 43177); Thu, 03 Sep 2020 07:29:02 +0000 Original-Received: (at 43177) by debbugs.gnu.org; 3 Sep 2020 07:28:36 +0000 Original-Received: from localhost ([127.0.0.1]:33346 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kDjff-0000F8-Sv for submit@debbugs.gnu.org; Thu, 03 Sep 2020 03:28:36 -0400 Original-Received: from mail-wm1-f48.google.com ([209.85.128.48]:35864) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kDjfb-0000Es-P3 for 43177@debbugs.gnu.org; Thu, 03 Sep 2020 03:28:35 -0400 Original-Received: by mail-wm1-f48.google.com with SMTP id z9so1806398wmk.1 for <43177@debbugs.gnu.org>; Thu, 03 Sep 2020 00:28:31 -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=RdWUknsplwpdL1Ju828UtUMBKv4MftFzbpK0Bk+GJOU=; b=saKfuZ4BeHXt5iwmSmRgJc6L0vhH1j2jm6fQH/NbEsRTLlEiD0uasA8HrlJVuKaKcA ny8fn+PRqapr/YkQcRvkNfrrk4PhPecY6R9mEttAi0WRdKljTgLRqjeXnIRPhEU7RIT9 k6pnguho8NssoPClr4sQfHQjka1kRIGzoWNIRscqJksoTAYpPDgiKMoW9yj9rBvhkhpq rsNsHYq4TVmjtjZ1wOm7UmMyMjO2Nv6Hu4ar9Py/2nF4EZlXFXZZRNyz+UL0/tx0lc9u wMKsbEA5xEvbUECMoUFag67sET2Mc1dURWt/B21QEeSLcYBCqNstYYEGdCOrXQSAAZMK 4qyQ== 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=RdWUknsplwpdL1Ju828UtUMBKv4MftFzbpK0Bk+GJOU=; b=hioAfmknP8ehhTD91h1vfKfp8qKHHSPf5Gypkn1UDfZaYsMUZmJC3+5trnPhfRJYkX ZkDdOoP2TvEdhWSkZJmdO2ZGbGcXUo6bxscOMHXKUIWl+QNSK/LBLUOAhYEcJF8Xr0MG gj5RZM5tqIXFcHor61ZVdx9PMGO/UtkhsJkF4J+DgW0/5UcGx6D7xy7SiFFI1Y/PLo2A l3nAnvht5gBJBHdpR9dRgXGEzcLHS88yfOjr0xlQvxkc+Fp8NZBsuknWbrqU/MK6Cjhr hybpJDjBnTrSRFTABMpNpKQ27psE7bN8DNObTiL3SMYPDnFRmNSjsxg+YOUoxqlbvG3A FKCQ== X-Gm-Message-State: AOAM531xuIKMzWHsA4Xv/wV0njo82QJ/Q4+4GzewrbY0+81fT7+nvjks fZZsEvPR7Dr6QEFJ85iLWvwF03FHtHo= X-Google-Smtp-Source: ABdhPJz1C7htFvSqYfrAYwhKFrz4XOCziQtnLAlEzB8WWScmJdG6U/8S5dPjFFuk+qel7yWzdeSprg== X-Received: by 2002:a7b:c387:: with SMTP id s7mr949808wmj.171.1599118104910; Thu, 03 Sep 2020 00:28:24 -0700 (PDT) Original-Received: from rpluim-mac ([2a01:e34:ecfc:a860:7c82:fd7:9e25:6f18]) by smtp.gmail.com with ESMTPSA id p14sm3205805wrg.96.2020.09.03.00.28.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 00:28:24 -0700 (PDT) In-Reply-To: <7bb2d5e3-1abf-08d6-d7c8-0f1bd139815e@Alexander.Shukaev.name> (Alexander Shukaev's message of "Thu, 3 Sep 2020 09:18:53 +0200") 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:186978 Archived-At: >>>>> On Thu, 3 Sep 2020 09:18:53 +0200, Alexander Shukaev said: Alexander> Hi, Alexander> With latest Emacs, I have a sporadic hang issue when either = opening a Alexander> file or scrolling a buffer. The best part is that it's impo= ssible to Alexander> get break back to evaluation loop of Emacs even with 'USR2' Alexander> signal. That is when 'USR2' is sent, it does show "Entering Alexander> debugger...", though it remains frozen afterwards. Resendin= g 'USR2' Alexander> leads to the same outcome. One thing is for certain, every = time Alexander> 'USR2' is sent into such a hang, the stack traceback leads to Alexander> `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1': If you've still got this in gdb, can you go to frame #6 and do pp entity (this is assuming you've sourced the .gdbinit in src/) That will tell us which font we=CA=BCre trying to open. Perhaps it=CA=BCs a= bad font or fontconfig configuration. Robert