From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Thomas Fitzsimmons Newsgroups: gmane.emacs.bugs Subject: bug#63711: 30.0.50; Crash in xdisp.c when it->string is 0x0 Date: Thu, 25 May 2023 14:12:23 -0400 Message-ID: References: <83ilcgn9ud.fsf@gnu.org> <835y8gmt3f.fsf@gnu.org> <834jo0mono.fsf@gnu.org> <83353kmmoq.fsf@gnu.org> <83zg5sl2mr.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26231"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 63711@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu May 25 20:14:50 2023 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 1q2FU7-0006ZE-KK for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 25 May 2023 20:14:48 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q2FSU-0007cc-CE; Thu, 25 May 2023 14:13:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q2FSR-0007Yx-1P for bug-gnu-emacs@gnu.org; Thu, 25 May 2023 14:13:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q2FSQ-0006aL-Lr for bug-gnu-emacs@gnu.org; Thu, 25 May 2023 14:13:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1q2FSQ-0005aJ-5f for bug-gnu-emacs@gnu.org; Thu, 25 May 2023 14:13:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Thomas Fitzsimmons Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 25 May 2023 18:13:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63711 X-GNU-PR-Package: emacs Original-Received: via spool by 63711-submit@debbugs.gnu.org id=B63711.168503835121425 (code B ref 63711); Thu, 25 May 2023 18:13:02 +0000 Original-Received: (at 63711) by debbugs.gnu.org; 25 May 2023 18:12:31 +0000 Original-Received: from localhost ([127.0.0.1]:48063 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1q2FRv-0005ZV-C0 for submit@debbugs.gnu.org; Thu, 25 May 2023 14:12:31 -0400 Original-Received: from mail.fitzsim.org ([69.165.165.189]:38346) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1q2FRt-0005Z9-0J for 63711@debbugs.gnu.org; Thu, 25 May 2023 14:12:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=fitzsim.org ; s=20220430; h=Content-Type:MIME-Version:Message-ID:Date:References: In-Reply-To:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=CKOiB0tx7+NVeGp1BWrMEz3zkWO11uWIIcmGdGZvA3Q=; b=mPKHiciL+YhsehANKp7qs6Gx8K Lb+8MV2EtwN9ZpaXlSUiH7drzT+vLqh3qV2XAI9LpcDFSXr+r6elMNRWvvpozoMzTeLJIcCUqKgmR piXkVPcy70XlGedZYDofbMoJiC9RA9Wt6jZL1nov35YtrUH1o2lMkPar9pJXf1OMIkJ2R5Ft7yNOl QTOHDWaa6Zh9nPwjXWdQMb1vy996s47QB82HnCWfE9Ld+0aBK93FyxCuxRjZkMENLHndCZ0K3pywj rpP9r6UevAOBKCAQCeMZOVhapi2wXa8h/pSGi4pMFKj039aSR+mq+nNkncLGxf8K35GD1Kt/I46dd 1ggsdX0A==; Original-Received: from [192.168.1.1] (helo=localhost.localdomain) by mail.fitzsim.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1q2FRn-000NDY-SE; Thu, 25 May 2023 14:12:23 -0400 In-Reply-To: <83zg5sl2mr.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 25 May 2023 20:52:44 +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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:262383 Archived-At: Eli Zaretskii writes: >> Cc: 63711@debbugs.gnu.org >> Date: Thu, 25 May 2023 18:54:13 +0300 >> From: Eli Zaretskii >> >> > > (gdb) p first_row_to_display->y >> > >> > $24 = 701 >> > >> > > (gdb) p window_text_bottom_y(w) >> > >> > $25 = 701 >> >> And this also tells us that we are using the wrong glyph row, I think: >> its Y coordinate is outside of the visible text area. >> >> I think I understand the problem. Let me think about a solution. > > I installed a fix on the emacs-29 branch, let's hope it fixes this. Thank you; I'm running a "-g -O0" build of emacs-29 tip now, with GDB attached. I'll follow up in a month to confirm success, provided there are no issues in the meantime. Thanks, Thomas