From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#39962: 27.0.90; Crash in Emacs 27.0.90 Date: Sat, 07 Mar 2020 17:17:55 +0200 Message-ID: <83ftek9ot8.fsf@gnu.org> References: <24162.58107.725366.668639@cochabamba.vanoostrum.org> <835zfgbo6f.fsf@gnu.org> <83lfoc9upz.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="16657"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 39962@debbugs.gnu.org, pieter@vanoostrum.org To: Pieter van Oostrum Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Mar 07 16:19:12 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 1jAbEO-0004CV-Ia for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 07 Mar 2020 16:19:12 +0100 Original-Received: from localhost ([::1]:49750 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jAbEN-0005wW-6Y for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 07 Mar 2020 10:19:11 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60373) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jAbEG-0005wK-9u for bug-gnu-emacs@gnu.org; Sat, 07 Mar 2020 10:19:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jAbEF-00008B-9c for bug-gnu-emacs@gnu.org; Sat, 07 Mar 2020 10:19:04 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:41412) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jAbEF-00007T-6Z for bug-gnu-emacs@gnu.org; Sat, 07 Mar 2020 10:19:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jAbEE-0007cW-5r for bug-gnu-emacs@gnu.org; Sat, 07 Mar 2020 10:19:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 07 Mar 2020 15:19:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 39962 X-GNU-PR-Package: emacs Original-Received: via spool by 39962-submit@debbugs.gnu.org id=B39962.158359428429230 (code B ref 39962); Sat, 07 Mar 2020 15:19:02 +0000 Original-Received: (at 39962) by debbugs.gnu.org; 7 Mar 2020 15:18:04 +0000 Original-Received: from localhost ([127.0.0.1]:47385 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jAbDI-0007bO-Az for submit@debbugs.gnu.org; Sat, 07 Mar 2020 10:18:04 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:45062) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jAbDH-0007YM-AG for 39962@debbugs.gnu.org; Sat, 07 Mar 2020 10:18:03 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:40297) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jAbDB-0006Vq-Sb; Sat, 07 Mar 2020 10:17:57 -0500 Original-Received: from [176.228.60.248] (port=2308 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jAbDB-00065j-5e; Sat, 07 Mar 2020 10:17:57 -0500 In-Reply-To: (message from Pieter van Oostrum on Sat, 07 Mar 2020 16:06:09 +0100) 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:177013 Archived-At: > From: Pieter van Oostrum > Cc: 39962@debbugs.gnu.org, pieter@vanoostrum.org > Date: Sat, 07 Mar 2020 16:06:09 +0100 > > (gdb) f 2 > #2 0x0000000100233af4 in adjust_markers_for_insert (from=36399, > from_byte=36399, to=36401, to_byte=36401, before_markers=false) > at insdel.c:294 > 294 eassert (m->bytepos >= m->charpos > (gdb) p m > $1 = (struct Lisp_Marker *) 0x1609db830 > (gdb) p m->bytepos > $2 = 11538 > (gdb) p m->charpos > $3 = 0 > (gdb) p Z_BYTE > No symbol "Z_BYTE" in current context. > (gdb) p Z > No symbol "Z" in current context. > (gdb) p current_buffer->text->z_byte > No symbol "current_buffer" in current context. > (gdb) p current_buffer > No symbol "current_buffer" in current context. > (gdb) p current_thread->m_current_buffer > $4 = (struct buffer *) 0x15b29a4b0 > (gdb) p current_thread->m_current_buffer->text->z_byte > $5 = 529784 > (gdb) p current_thread->m_current_buffer->text->z > $6 = 529778 > (gdb) Thanks. Could it be that the marker in question is from another buffer? How does m->buffer compare with current_thread->m_current_buffer? > > Also note that this is no longer in GC, at least not directly. > > That's right. Although the cause of this might also have caused the GC problem when the assertion would not have caught it. Are you saying that GC is somewhere up the call-stack? If so, can you show that?