From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#34256: 27.0.50; Crash on draw_glyphs() Date: Wed, 30 Jan 2019 18:51:32 +0200 Message-ID: <83k1im142z.fsf@gnu.org> References: <83pnse15pb.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="75719"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 34256@debbugs.gnu.org To: Kaushal Modi Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 30 17:52:17 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1got60-000JXs-Vn for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Jan 2019 17:52:17 +0100 Original-Received: from localhost ([127.0.0.1]:40970 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1got5z-0005TS-Of for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Jan 2019 11:52:15 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:58256) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1got5m-0005SQ-MH for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:52:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1got5l-0001to-Uw for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:52:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52597) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1got5l-0001ta-RN for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:52:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1got5l-000059-K6 for bug-gnu-emacs@gnu.org; Wed, 30 Jan 2019 11:52:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 30 Jan 2019 16:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34256 X-GNU-PR-Package: emacs Original-Received: via spool by 34256-submit@debbugs.gnu.org id=B34256.154886711232764 (code B ref 34256); Wed, 30 Jan 2019 16:52:01 +0000 Original-Received: (at 34256) by debbugs.gnu.org; 30 Jan 2019 16:51:52 +0000 Original-Received: from localhost ([127.0.0.1]:51878 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1got5c-0008WO-D2 for submit@debbugs.gnu.org; Wed, 30 Jan 2019 11:51:52 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:43823) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1got5a-0008WB-JN for 34256@debbugs.gnu.org; Wed, 30 Jan 2019 11:51:51 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46332) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1got5R-0001WP-0Z; Wed, 30 Jan 2019 11:51:42 -0500 Original-Received: from [176.228.60.248] (port=3553 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1got5Q-00029R-Jw; Wed, 30 Jan 2019 11:51:40 -0500 In-reply-to: (message from Kaushal Modi on Wed, 30 Jan 2019 11:35:32 -0500) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:154894 Archived-At: > From: Kaushal Modi > Date: Wed, 30 Jan 2019 11:35:32 -0500 > Cc: 34256@debbugs.gnu.org > > Understood. I built that emacs with -O2 and without " --enable-checking='yes,glyphs' > --enable-check-lisp-object-type" as it's my daily driver version. I recommend always using these options when building the master branch. > I'll work on getting a recipe. Thanks. > Why isn't there a -g3 in the compiler switches? AFAIK, the default > configuration supplies it. > > Yes, I did not add that switch; I do that in my debug builds. Well, please always use that when you build the master branch. It's potentially buggy code, so we need every possible piece of supporting information to identify and solve bugs reported b y users. > This was built using the latest master (i.e. with pdumper and no harfbuzz). Makes sense. In that case, it is even more important to find the reason for this, as there aren't supposed to be display-related changes on master, so stuff like x_draw_glyph_string isn't supposed to get in trouble. Thanks.