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#47207: 28.0.50; decode_next_window_args crash Date: Wed, 17 Mar 2021 15:29:32 +0200 Message-ID: <83r1kddi2r.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29794"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, 47207@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Mar 17 14:30:11 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 1lMWFX-0007dD-Jt for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 17 Mar 2021 14:30:11 +0100 Original-Received: from localhost ([::1]:59330 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMWFW-00016H-HT for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 17 Mar 2021 09:30:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45214) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMWFO-000161-Ra for bug-gnu-emacs@gnu.org; Wed, 17 Mar 2021 09:30:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59038) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lMWFO-0008UK-IY for bug-gnu-emacs@gnu.org; Wed, 17 Mar 2021 09:30:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lMWFO-0004u1-De for bug-gnu-emacs@gnu.org; Wed, 17 Mar 2021 09:30:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 17 Mar 2021 13:30:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47207 X-GNU-PR-Package: emacs Original-Received: via spool by 47207-submit@debbugs.gnu.org id=B47207.161598778818801 (code B ref 47207); Wed, 17 Mar 2021 13:30:02 +0000 Original-Received: (at 47207) by debbugs.gnu.org; 17 Mar 2021 13:29:48 +0000 Original-Received: from localhost ([127.0.0.1]:42351 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMWF9-0004tA-U6 for submit@debbugs.gnu.org; Wed, 17 Mar 2021 09:29:48 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:52148) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMWF8-0004sv-3Z for 47207@debbugs.gnu.org; Wed, 17 Mar 2021 09:29:46 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:35980) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMWF1-0008Hr-M1; Wed, 17 Mar 2021 09:29:39 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1733 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lMWEx-0000Kb-KB; Wed, 17 Mar 2021 09:29:37 -0400 In-Reply-To: (message from martin rudalics on Wed, 17 Mar 2021 09:45:21 +0100) 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:202521 Archived-At: > From: martin rudalics > Date: Wed, 17 Mar 2021 09:45:21 +0100 > Cc: Alan Mackenzie > > The following bug has hit me out of the blue a couple of times. Trying > to ediff two buffers gets me the crash below: > > > #0 0x00000000005a5f85 in terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at ../../src/emacs.c:379 > #1 0x0000000000651df0 in die (msg=0x788ee1 "WINDOWP (a)", file=0x788ece "../../src/window.h", line=543) at ../../src/alloc.c:7420 > #2 0x00000000004bdca6 in XWINDOW (a=XIL(0)) at ../../src/window.h:543 > #3 0x00000000004c6a4d in decode_next_window_args (window=0x7fffffffa808, minibuf=0x7fffffffa800, all_frames=0x7fffffffa7f8) at ../../src/window.c:2891 > #4 0x00000000004c6bff in next_window (window=XIL(0x2b04405), minibuf=XIL(0), all_frames=XIL(0x30), next_p=true) at ../../src/window.c:2927 Do you have local changes in window.c? The line numbers are about 200 lines off the current sources. > we probably should decide whether to consider tooltip windows in > `next-window' or `other-window' at all. Not sure why. Don't we envision some applications that would like to examine tooltip windows? IOW, that tooltip frames don't have a minibuffer doesn't necessarily mean we don't want to give window iterations access to tooltip windows.