From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#52141: 29.0.50; Crash during redisplay Date: Sat, 27 Nov 2021 13:01:00 +0100 Message-ID: <87r1b13j0j.fsf@igel.home> References: <87o865c13p.fsf.ref@yahoo.com> <87o865c13p.fsf@yahoo.com> <83sfvhzvxo.fsf@gnu.org> <87bl25bzqq.fsf@yahoo.com> <83lf19zv5s.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="29308"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) Cc: Po Lu , 52141@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 27 13:02:11 2021 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 1mqwPD-0007UJ-CO for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 27 Nov 2021 13:02:11 +0100 Original-Received: from localhost ([::1]:44744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mqwPB-0006tn-U8 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 27 Nov 2021 07:02:09 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:35294) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqwP4-0006rY-Lm for bug-gnu-emacs@gnu.org; Sat, 27 Nov 2021 07:02:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49782) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mqwP4-0001xD-Cp for bug-gnu-emacs@gnu.org; Sat, 27 Nov 2021 07:02:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mqwP4-0007d5-B0 for bug-gnu-emacs@gnu.org; Sat, 27 Nov 2021 07:02:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 27 Nov 2021 12:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 52141 X-GNU-PR-Package: emacs Original-Received: via spool by 52141-submit@debbugs.gnu.org id=B52141.163801446829266 (code B ref 52141); Sat, 27 Nov 2021 12:02:02 +0000 Original-Received: (at 52141) by debbugs.gnu.org; 27 Nov 2021 12:01:08 +0000 Original-Received: from localhost ([127.0.0.1]:33095 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mqwOC-0007by-Ed for submit@debbugs.gnu.org; Sat, 27 Nov 2021 07:01:08 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.9]:53383) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mqwO7-0007bS-Ok for 52141@debbugs.gnu.org; Sat, 27 Nov 2021 07:01:07 -0500 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4J1VZ62CRLz1r7lS; Sat, 27 Nov 2021 13:01:02 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4J1VZ60Ftfz1qqkB; Sat, 27 Nov 2021 13:01:02 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id dpFJJS55Dyxs; Sat, 27 Nov 2021 13:01:01 +0100 (CET) X-Auth-Info: uO2rMznKORpF8GWuySVWlu+ML6bMfHOWd5GkNe9Zi+z79wXIHndVOjH3faBPmfl1 Original-Received: from igel.home (ppp-46-244-164-118.dynamic.mnet-online.de [46.244.164.118]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 27 Nov 2021 13:01:01 +0100 (CET) Original-Received: by igel.home (Postfix, from userid 1000) id 81AED2C3977; Sat, 27 Nov 2021 13:01:00 +0100 (CET) X-Yow: YOW!! I am having FUN!! In-Reply-To: <83lf19zv5s.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 27 Nov 2021 13:37:35 +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:220907 Archived-At: On Nov 27 2021, Eli Zaretskii wrote: >> From: Po Lu >> Cc: 52141@debbugs.gnu.org >> Date: Sat, 27 Nov 2021 19:32:29 +0800 >> >> >> #9 set_next_vectorPython Exception : Cannot access memory at address 0xfe94cc8 >> >> (p=#10 setup_on_free_list (nbytes=, v=0x2ce6c10) at alloc.c:2977 >> >> #11 sweep_vectors () at alloc.c:3242 >> >> #12 0x0000000000561328 in gc_sweep () at alloc.c:7255 >> >> #13 garbage_collect () at alloc.c:6190 >> >> #14 0x0000000000561811 in maybe_garbage_collect () at alloc.c:6053 >> >> #15 0x00000000005804ad in maybe_gc () at /home/oldosfan/emacs-dev/emacs-gc/src/lisp.h:5161 >> >> #16 eval_sub (form=0x1e753d3) at eval.c:2449 >> >> #17 0x0000000000582149 in Feval (form=0x1e753d3, lexical=) at eval.c:2372 >> > ^^^^ >> > What is this form we are evaluating here? Can you show its contents? >> > (Not that I think it is related to the crash.) >> >> Its type is Lisp_Cons. However, its address is invalid. Running >> `xcons' in gdb complains: >> >> (gdb) xcons >> $9 = (struct Lisp_Cons *) 0x1e753d0 >> Cannot access memory at address 0x1e753d0 > > Hmm... and the address is very different from the one which caused the > segfault. Strange. There could have been several corruptions that only surfaced just now. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."