From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 105708 invoked by alias); 22 Mar 2018 17:29:52 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 105678 invoked by uid 89); 22 Mar 2018 17:29:50 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,SPF_PASS autolearn=ham version=3.3.2 spammy=kick, retry, Hx-spam-relays-external:ESMTPA X-HELO: vsmx009.vodafonemail.xion.oxcs.net Received: from vsmx009.vodafonemail.xion.oxcs.net (HELO vsmx009.vodafonemail.xion.oxcs.net) (153.92.174.87) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 22 Mar 2018 17:29:48 +0000 Received: from vsmx001.vodafonemail.xion.oxcs.net (unknown [192.168.75.191]) by mta-5-out.mta.xion.oxcs.net (Postfix) with ESMTP id E404EC0659 for ; Thu, 22 Mar 2018 17:29:46 +0000 (UTC) Received: from Gertrud (unknown [91.47.53.106]) by mta-5-out.mta.xion.oxcs.net (Postfix) with ESMTPA id BA005300688 for ; Thu, 22 Mar 2018 17:29:44 +0000 (UTC) From: Achim Gratz To: cygwin@cygwin.com Subject: Re: Odd hang in python waiting for child; strace wakes hung process? References: <877eq5fedf.fsf@Rainer.invalid> Date: Thu, 22 Mar 2018 17:33:00 -0000 In-Reply-To: (Dan Kegel's message of "Wed, 21 Mar 2018 15:07:28 -0700") Message-ID: <87in9o81dj.fsf@Rainer.invalid> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-VADE-STATUS: LEGIT X-SW-Source: 2018-03/txt/msg00355.txt.bz2 Dan Kegel writes: > 1) kill -CONT the-pid doesn't do anything, nor does kill -9. It's > truly wedged. No, you send CONT to all processes (like 'pkill -CONT .'), it seems that this gets whatever was wedged enough of a kick to retry or time out and then it (often, not always) it seems to start reaping processes again and the start to vanish. You can tell you have one of these when just doing a ps takes much longer than usual when it hits those processes. Regards, Achim. -- +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+ SD adaptations for KORG EX-800 and Poly-800MkII V0.9: http://Synth.Stromeko.net/Downloads.html#KorgSDada -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple