From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: "Basil L. Contovounesios" Newsgroups: gmane.emacs.bugs Subject: bug#33018: 26.1.50; thread starvation with async processes and accept-process-output Date: Wed, 17 Oct 2018 21:02:59 +0100 Message-ID: <87k1mg49zg.fsf@tcd.ie> References: <87r2gwbmma.fsf@tcd.ie> <875zy7cqzd.fsf@gmx.de> <878t30h823.fsf@tcd.ie> <87sh177i36.fsf@gmx.de> <877eiipu8g.fsf@tcd.ie> <83k1mirl9n.fsf@gnu.org> <874ldkjwzn.fsf@tcd.ie> <83zhvcqwxc.fsf@gnu.org> <87o9bswirc.fsf@tcd.ie> <83y3awqvtl.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1539806531 5255 195.159.176.226 (17 Oct 2018 20:02:11 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 17 Oct 2018 20:02:11 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: michael.albinus@gmx.de, 33018@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 17 22:02:07 2018 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 1gCs18-0001FX-69 for geb-bug-gnu-emacs@m.gmane.org; Wed, 17 Oct 2018 22:02:06 +0200 Original-Received: from localhost ([::1]:38862 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gCs3E-0007F5-BF for geb-bug-gnu-emacs@m.gmane.org; Wed, 17 Oct 2018 16:04:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50155) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gCs38-0007F0-4I for bug-gnu-emacs@gnu.org; Wed, 17 Oct 2018 16:04:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gCs32-0002kn-22 for bug-gnu-emacs@gnu.org; Wed, 17 Oct 2018 16:04:08 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:51439) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gCs30-0002k7-N9 for bug-gnu-emacs@gnu.org; Wed, 17 Oct 2018 16:04:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gCs30-0005vn-Gh for bug-gnu-emacs@gnu.org; Wed, 17 Oct 2018 16:04:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Basil L. 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[51.171.243.2]) by smtp.gmail.com with ESMTPSA id q3-v6sm3844747ejj.50.2018.10.17.13.03.00 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 17 Oct 2018 13:03:01 -0700 (PDT) In-Reply-To: <83y3awqvtl.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 17 Oct 2018 21:20:22 +0300") 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:151355 Archived-At: Eli Zaretskii writes: >> From: "Basil L. Contovounesios" >> Cc: , <33018@debbugs.gnu.org> >> Date: Wed, 17 Oct 2018 19:05:59 +0100 >> >> pselect6(14, [6 7], [], NULL, {tv_sec=99975, tv_nsec=320947003}, {NULL, 8} >> >> and strace -p gives: >> >> write(1, ">]\n

Emacs i"..., 4096 >> >> The former reminded me of bug#24201: https://debbugs.gnu.org/24201 > > I could be wrong, but it doesn't look similar to me. In that bug, the > CPU was pegged, whereas you said that CPU is idle. Right, I was only reminded of that bug because of the common accept-process-output/pselect hang in the context of a network-related process. I'm not suggesting the underlying cause is the same. -- Basil