X-Recipient:	archive-cygwin AT delorie DOT com
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.3.2 sourceware.org C53CA3857C5A
Authentication-Results:	sourceware.org;
	dmarc=none (p=none dis=none) header.from=towo.net
Authentication-Results:	sourceware.org; spf=none smtp.mailfrom=towo AT towo DOT net
Subject:	Re: Race condition hangs on multiple mintty/tcsh? Brad Wetmore
To:	cygwin AT cygwin DOT com
References:	<BYAPR07MB59428411CD00101EF02400B4B64D0 AT BYAPR07MB5942 DOT namprd07 DOT prod DOT outlook DOT com>
From:	Thomas Wolff <towo AT towo DOT net>
X-Tagtoolbar-Keys:	D20200804120228143
Message-ID:	<ff57a2c8-6753-02d6-7a85-9657d70bc897@towo.net>
Date:	Tue, 4 Aug 2020 12:02:28 +0200
User-Agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101
	Thunderbird/68.11.0
MIME-Version:	1.0
In-Reply-To:	<BYAPR07MB59428411CD00101EF02400B4B64D0@BYAPR07MB5942.namprd07.prod.outlook.com>
X-Provags-ID:	V03:K1:x55rFyT82twACTcVZd2Hq0CWAF3IG5sqgA2JsOU8QkIxoLn0uN5
	nV9JyEDbE6OPQFsg9wH1BNEqtfVEBcU7aecTEsNrNERuLqBzzevqXx2zPQqTlnBtGxiXyeD
	Z8VPHw3z51a8OGYXt04ZaPl35m9XxlaCqYNM7eL7DUrpPvjKimiK26JR+86b5TYb4lfUyO0
	yjvfPgKPHhdID2YRr+EJQ==
X-UI-Out-Filterresults:	notjunk:1;V03:K0:svWrXDMUE2M=:SiAdOEj3mBS4ocyBhyY9Wy
	cNByfQda0qjppsVHo/yLy+ShJaGkpOAokG7Pyi/lli2wBbVX/50TWTdErm56yP7sWH1USZENM
	kVeJMa50XDIafKCTevNfVoys31NUuScMkVIJXEnp8eSeEI3TIsfpqiZoSIZhsgtMyD6f7no0+
	PAoHo9ppwpiCanr+KnrHLrUtYg+fzt7mdQR/2Qy17DpqOU4PQuMs+psmcRvkVNWdcNV7EAeNL
	h+m2bVGjswq0wHea0Je+/q6anT5YD+E1qePp/L/zoHNDbtKMqRxk754j0WApRdHWDk510IDBt
	wWVaJC7Wu4ZNtOJY2QLHXZKmJ69WWRlpi55f9Tw36Dqtka5Aj+o8i9cHL9Jo6tOXykXRwcjF6
	/kYtQg5L8XVo31zgpAoegvPrEbjGOUXbIFx+TsCBKF6zJFpWA+Laj3KH+i9byiz6br6QIPH+U
	dflW9VLkEb7+8qWaCyVsg23bQ81CVHe0n4EE+PIjkLWDiIWWvSgYFn+bBan7dIwKYUugFq55N
	PEzwmBJJ4oaRD91guHRnZLhCW4U9bpdUUHaaiPyrkd437VCHySF1aO7bnEM/zd1ALtHRGASV1
	uoysdaT6fPl8UN7qQrkdd0yId98ZJNBClXFtGYPebUkDFii5nNOEhZE8gAwiiKOhrTZKaAK+d
	lZ6EsfZMtnINS9H9CRWHXVLELLBZuiQwTAUICxwWGyHsGWZ84mgv2XsePN6AhizsuGL9SRjRh
	Lbd5pXaWIGXChO6EgMQq3E7AswHR8/hVF1VK1wJU0jlgljFNRCBW/Q+ZSbwTOo3cT9AEOZcd3
	Hn6j+z/pHyA7Pwd9sgS5lLYxVPo6DH9iUXermLd6cVWVQX9IrfCQu3Ip2CW3PIl5ZWCzXRG
X-Spam-Status:	No, score=-7.6 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS,
	KAM_LAZY_DOMAIN_SECURITY, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,
	SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.2
X-Spam-Checker-Version:	SpamAssassin 3.4.2 (2018-09-13) on
	server2.sourceware.org
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.29
List-Id:	General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe:	<https://cygwin.com/mailman/options/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive:	<https://cygwin.com/pipermail/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe:	<https://cygwin.com/mailman/listinfo/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
Errors-To:	cygwin-bounces AT cygwin DOT com
Sender:	"Cygwin" <cygwin-bounces AT cygwin DOT com>

Am 04.08.2020 um 00:13 schrieb Brad Wetmore via Cygwin:
> Hi,
>
> I generally kick off multiple (10) mintty sessions, and place them around the screen.
>
> C:/cygwin64/bin/mintty.exe -i /Cygwin-Terminal.ico \
> --position @3 --position 120,0 --size 80x71 /bin/tcsh &
> C:/cygwin64/bin/mintty.exe -i /Cygwin-Terminal.ico \
> --position @3 --position 715,0 --size 80x45 /bin/tcsh &
> C:/cygwin64/bin/mintty.exe -i /Cygwin-Terminal.ico \
> --position @3 --position 715,660 --size 80x24 /bin/tcsh &
>
> Within the last 6 months or so, about 2-3 of them would hang and either mintty/tcsh would not start. I put a "sleep 1" in between each invocation and that seemed to take care of it.
>
> With the latest cygwin update, about 8 of them just hang even with the sleep 1. I put in a "sleep 2", and now everything is coming up again.
>
> Not sure if this is a mintty or tcsh issue, but just wondering if others are seeing this before I start trying to debug this.
I can reproduce such behaviour with /bin/bash (easy cross-check), and in 
fact the shell is running in that case (easy test via `echo > .log`), so 
I have a vague and unpleasant suspicion it might in fact be related to 
mintty although I have no idea how that would happen. To be analysed.
Thomas
--
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -