From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Date: Thu, 18 Mar 2021 21:16:53 +0200 Message-ID: <83im5off16.fsf@gnu.org> References: <87im5ofp3z.fsf@md5i.com> <87czvwfoys.fsf@md5i.com> <83tup8fo1j.fsf@gnu.org> <87wnu4qvfi.fsf@md5i.com> <83sg4sfm1w.fsf@gnu.org> <83pmzwfgng.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38578"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mwd@md5i.com, 47244@debbugs.gnu.org To: Michael Welsh Duggan Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 18 20:17:22 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 1lMy94-0009tX-4D for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Mar 2021 20:17:22 +0100 Original-Received: from localhost ([::1]:43860 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMy93-0007HJ-3f for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Mar 2021 15:17:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37926) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMy8k-0007Gc-Ff for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 15:17:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36560) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lMy8k-0003dP-6l for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 15:17:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lMy8k-0002n7-16 for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 15:17:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Mar 2021 19:17:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47244 X-GNU-PR-Package: emacs Original-Received: via spool by 47244-submit@debbugs.gnu.org id=B47244.161609502010719 (code B ref 47244); Thu, 18 Mar 2021 19:17:01 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 18 Mar 2021 19:17:00 +0000 Original-Received: from localhost ([127.0.0.1]:48106 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMy8h-0002mo-R6 for submit@debbugs.gnu.org; Thu, 18 Mar 2021 15:17:00 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:44916) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMy8g-0002mN-7H for 47244@debbugs.gnu.org; Thu, 18 Mar 2021 15:16:58 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34204) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMy8a-0003as-OO; Thu, 18 Mar 2021 15:16:52 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1292 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lMy8a-00028F-0i; Thu, 18 Mar 2021 15:16:52 -0400 In-Reply-To: (message from Michael Welsh Duggan on Thu, 18 Mar 2021 14:54:19 -0400) 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:202644 Archived-At: > From: Michael Welsh Duggan > Cc: "mwd@md5i.com" , > "47244@debbugs.gnu.org" > <47244@debbugs.gnu.org> > Date: Thu, 18 Mar 2021 14:54:19 -0400 > > I do have a gnus demon running in the background: > (gnus-demon-add-handler 'gnus-demon-scan-news 5 nil) Maybe that is the reason that the current buffer is being killed under our feet, I don't know. Is the GDB session still alive? If so, could you show what the following displays? (gdb) p XWINDOW(selected_window)->contents (gdb) xtype If "xtype" says it's a buffer, please type: (gdb) xbuffer and tell what that shows. > If you want me to set a conditional breakpoint anywhere I can do that in > hopes of capturing something more useful the next time this happens. I don't really have an idea where to set such a breakpoint, since I don't understand how is this buffer killed. I'm guessing you have some elaborate hooks set up that succeed in killing the current buffer while redisplay runs or something, that's how such problems are usually born.