From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#28472: 26.0.50; Deadlock in Fkill_emacs on MS-Windows Date: Sat, 16 Sep 2017 14:28:45 +0300 Message-ID: <834ls2lw5u.fsf@gnu.org> References: <59bcfd7b.53bf1c0a.52d80.1651@mx.google.com> <8360cilwrc.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1505561358 6170 195.159.176.226 (16 Sep 2017 11:29:18 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 16 Sep 2017 11:29:18 +0000 (UTC) Cc: 28472@debbugs.gnu.org To: rcopley@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Sep 16 13:29:14 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dtBHe-0001Tj-KI for geb-bug-gnu-emacs@m.gmane.org; Sat, 16 Sep 2017 13:29:14 +0200 Original-Received: from localhost ([::1]:56834 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dtBHm-0005OT-15 for geb-bug-gnu-emacs@m.gmane.org; Sat, 16 Sep 2017 07:29:22 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58028) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dtBHW-0005Jg-3y for bug-gnu-emacs@gnu.org; Sat, 16 Sep 2017 07:29:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dtBHS-0000bb-3T for bug-gnu-emacs@gnu.org; Sat, 16 Sep 2017 07:29:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34898) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dtBHS-0000bS-0T for bug-gnu-emacs@gnu.org; Sat, 16 Sep 2017 07:29:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1dtBHR-0002F7-RD for bug-gnu-emacs@gnu.org; Sat, 16 Sep 2017 07:29:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 16 Sep 2017 11:29:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28472 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 28472-submit@debbugs.gnu.org id=B28472.15055613318605 (code B ref 28472); Sat, 16 Sep 2017 11:29:01 +0000 Original-Received: (at 28472) by debbugs.gnu.org; 16 Sep 2017 11:28:51 +0000 Original-Received: from localhost ([127.0.0.1]:43579 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dtBHH-0002Ej-Kd for submit@debbugs.gnu.org; Sat, 16 Sep 2017 07:28:51 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:38689) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dtBHF-0002EL-N1 for 28472@debbugs.gnu.org; Sat, 16 Sep 2017 07:28:49 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dtBH6-0000WJ-KM for 28472@debbugs.gnu.org; Sat, 16 Sep 2017 07:28:44 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35638) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dtBH6-0000WF-HS; Sat, 16 Sep 2017 07:28:40 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1030 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dtBH5-0000bo-As; Sat, 16 Sep 2017 07:28:40 -0400 In-reply-to: <8360cilwrc.fsf@gnu.org> (message from Eli Zaretskii on Sat, 16 Sep 2017 14:15:51 +0300) 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: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:137004 Archived-At: > Date: Sat, 16 Sep 2017 14:15:51 +0300 > From: Eli Zaretskii > Cc: 28472@debbugs.gnu.org > > Thanks. I see nothing in this backtrace that could tell what to do to > avoid the hang. All the threads are stuck in system calls, two of > then in WaitForSingleObject. So it sounds like some race condition, > but I have no idea what that could be. FWIW, it never happened to me > during a bootstrap. > > It could be bug#14333, which we never solved. But the backtraces > there were more informative. One possible way to gain more info is to add printf's in several places in term_timers and in term_ntproc, and see what this tells us about where Emacs gets stuck. But make sure bootstrap commands don't redirect stdout/stderr to some place, or you may not see the output.