From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail2.pdinc.us (mail2.pdinc.us [67.90.184.28]) by sourceware.org (Postfix) with ESMTPS id CCF07393A420 for ; Thu, 20 May 2021 16:10:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org CCF07393A420 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=pdinc.us Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=jpyeron@pdinc.us Received: from blackfat (nsa1.pdinc.us [67.90.184.2]) (authenticated bits=0) by mail2.pdinc.us (8.14.4/8.14.4) with ESMTP id 14KGALqC008658 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 20 May 2021 12:10:21 -0400 DKIM-Filter: OpenDKIM Filter v2.11.0 mail2.pdinc.us 14KGALqC008658 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pdinc.us; s=default; t=1621527021; bh=NS7Iy+BWr4RiauaPdVj+P5jwo8wQScXSugrx/yhXXzo=; h=From:To:References:In-Reply-To:Subject:Date:From; b=L8wnBJMiCss1/XL6ywAEiBOZi3y2LvH+a4I/iFM8cmZ9k8R7PfGnLrLVC3mhoS/zo tgQhuxjYhZrTH0MqiV+/0fQJVID95UiJp7TaZNjpUipxprtgXf+0ikmPlXU5dhdGtH AAuQgxyaiCooEZjiE7dO6tQL4CbRISWnSDr5NO5VIjCD794SjZVkIxsidQmvW6AlWN F2u+6Qyi/3vCfZtBBpK2odEkekwWMCDJSbS4qrdWbSx/D0NSlQmnpOadaoX6XSDVNf kvogt9Hhl9A/3M5W+Ti1XO0zprC8U8s3oHPVKMPbOFWBA6VCLe5ccmxBGdjdieqgkE jWvwdybHzOcPw== From: "Jason Pyeron" To: References: <7bd9875a-691e-95fe-77ea-4c8ccd98a46d@gmail.com> In-Reply-To: <7bd9875a-691e-95fe-77ea-4c8ccd98a46d@gmail.com> Subject: RE: [cygwin] Re: sshd high cpu load Date: Thu, 20 May 2021 12:10:32 -0400 Organization: PD Inc Message-ID: <0bc501d74d92$a8d36830$fa7a3890$@pdinc.us> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIf+eGeldap6MbuDqPsT/bo3CCJkgGnqVCgqk3zFsA= Content-Language: en-us X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_INFOUSMEBIZ, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=no 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@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 May 2021 16:10:23 -0000 > -----Original Message----- > From: A. Doggy via Cygwin > Sent: Thursday, May 20, 2021 12:03 PM > > Anyone? Psst, put at bottom. > > On 5/19/2021 12:48 AM, A. Doggy wrote: > > To Cygwin, > > > > > > I am running cygwin openssh as a windows service. I have been doing so > > for many years with out issue. Recently, I have been running into an > > issue where it maxes out my cpu on any version newer than 8.4p1-1. Observed 100% CPU on server 2012 r2 x64 joined to AD, not internet access. Issue intermittent. Unable to confirm if same issue. openssh 8.5p1-1 > > The > > solution is to downgrade to 8.4p1-1. Have not had enough time to test - planning on Sunday. > > My server machine is a dell t330 > > running windows 10. I am not a business despite using business grade > > hardware.I have tried both 20h2 and 21h1 but no luck. There are no > > users signed in when the issues occur and occurs within minutes of > > booting up. The only change from the default config is I have it > > running on a nonstandard port. Any advice is welcome as I really would > > like to upgrade to a newer version. Thanks Our environment is different in almost every metric, testing is planned.