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 12:06:53 +0200 Message-ID: References: <7bb2d5e3-1abf-08d6-d7c8-0f1bd139815e@Alexander.Shukaev.name> <3598262d-b65c-b1b4-310a-29149fd89ebf@Alexander.Shukaev.name> <04c384ac-bfbe-6073-829c-20712053bb1d@Alexander.Shukaev.name> <28ddec32-bee2-e6fd-d572-b09766f2be37@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="19914"; 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 12:08:09 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 1kDmA5-00055P-08 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 03 Sep 2020 03:06:54 -0700 (PDT) In-Reply-To: <28ddec32-bee2-e6fd-d572-b09766f2be37@Alexander.Shukaev.name> (Alexander Shukaev's message of "Thu, 3 Sep 2020 11:53:05 +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:186996 Archived-At: >>>>> On Thu, 3 Sep 2020 11:53:05 +0200, Alexander Shukaev said: Alexander> On 03/09/2020 11:50, Alexander Shukaev wrote: >> On 03/09/2020 11:40, Alexander Shukaev wrote: >>> (gdb) f 7 >>> #7=C2=A0 0x0000555555a8d875 in xfont_supported_scripts >>> (display=3D0x555556594940, fontname=3D0x55556a79e428 "-misc-trirong >>> medium-medium-i-normal--0-0-0-0-p-0-iso10646-1", >>> props=3DXIL(0x7ffff27926e5), >>> =C2=A0=C2=A0=C2=A0=C2=A0 encoding=3D0x7ffff23ab8d0) at xfont.c:266 >>> 266=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 xfont =3D= XLoadQueryFont (display, fontname); >>> (gdb) pp fontname >>> # >>> (gdb) pp fontname >>> # >>> (gdb) p fontname >>> $3 =3D 0x55556a79e428 "-misc-trirong >>> medium-medium-i-normal--0-0-0-0-p-0-iso10646-1" >>> (gdb) >> It appears to always be different `fontname' here as I try multiple >> times to reproduce.=C2=A0 Maybe it's not really hanging but is merely >> ultra-slow somehow in looping over the fonts here.=C2=A0 Any ideas? Alexander> Hmm, right, waited for about a minute or so, and the file go= t opened Alexander> finally. Reopening it was instant as well as if something g= ot Alexander> cached/loaded already. So any ideas how to speed things up = here? I Alexander> don't think I've encountered that with 26.3... You can check easily enough by building emacs-27 --without-cairo, that should get you back to emacs-26's font handling. The issue is: why is Emacs falling back to the 'x' backend? Robert