From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out-no.shaw.ca (smtp-out-no.shaw.ca [64.59.134.12]) by sourceware.org (Postfix) with ESMTPS id 60EB63857036 for ; Tue, 4 May 2021 21:56:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 60EB63857036 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=SystematicSw.ab.ca Authentication-Results: sourceware.org; spf=none smtp.mailfrom=brian.inglis@systematicsw.ab.ca Received: from [192.168.1.104] ([68.147.0.90]) by shaw.ca with ESMTP id e32ClbsCMycp5e32DlDB9G; Tue, 04 May 2021 15:56:53 -0600 X-Authority-Analysis: v=2.4 cv=H864f8Ui c=1 sm=1 tr=0 ts=6091c325 a=T+ovY1NZ+FAi/xYICV7Bgg==:117 a=T+ovY1NZ+FAi/xYICV7Bgg==:17 a=IkcTkHD0fZMA:10 a=w_pzkKWiAAAA:8 a=94nOnFI1EgyDtX4ev68A:9 a=QEXdDO2ut3YA:10 a=UQN0BoiZq_4A:10 a=Yp2ASSDmZr0A:10 a=sRI3_1zDfAgwuvI8zelB:22 Reply-To: cygwin@cygwin.com Subject: Re: SSHD causes 100% CPU load To: cygwin@cygwin.com References: <145999495.20210426124252@cfos.de> <1342428656.20210428072302@yandex.ru> <282781730.20210428091007@cfos.de> <854495804.20210504181452@yandex.ru> From: Brian Inglis Organization: Systematic Software Message-ID: <1c3dff15-ed95-f667-1f56-6d4f36654cb8@SystematicSw.ab.ca> Date: Tue, 4 May 2021 15:56:52 -0600 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <854495804.20210504181452@yandex.ru> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-CA Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4xfEKKcRnIZpmVN8xjxIjdheCzbbXKOgo7E4tdDhSvrbxMkag9V4XpznXtKcFp/GqaDnOI7Sy78SuVvaXq7gP61aZYN8na/bpDC9KkCEPoeXdiYskY1oHW VGa34CK57vpI46CKgtxY2uGO2SUC/4Wr96Fr6uQdD2A2ReEZ/RoucFg8gDThbap2aPPgvivoK9ruQUDQyTTsW7t7so2ogOHPr2A= X-Spam-Status: No, score=0.4 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, KAM_LAZY_DOMAIN_SECURITY, NICE_REPLY_A, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, 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: Tue, 04 May 2021 21:56:57 -0000 On 2021-05-04 09:14, Andrey Repin via Cygwin wrote: >> Wednesday, April 28, 2021, 06:23:02, "Andrey Repin" wrote: >>>> I run cygwin 32-bit on Windows 10 Pro Build 19042. Cygwin is 3.2.0-1, >>>> openssh is 8.5p1-1. >>>> I use sshd to access the machine from afar. I notice (often multiple) >>>> processes of sshd.exe with 100% CPU load. >>> https://cygwin.com/pipermail/cygwin/2021-April/248299.html >>> https://cygwin.com/pipermail/cygwin/2021-April/248309.html >> thanks for the link. Am I mistaken or was there no solution >> mentioned? Do you have any advice how to fix this problem? > No, you are not. There were multiple reports (I only listed recent ones), but > no solution yet. >>>> A stack shown with procexp has function names like >>>> "cygwin1.dll!acl_get_perm" and "cygwin1.dll!_assert". >>>> Can anyone give me some advice how to proceed further? I have updated >>>> to the latest cygwin multiple times; reboot doesn't help either. If relevant changes are made, they are normally deployed as snapshots: see the Cygwin home page link. Are you using: * SAM with only local Windows accounts? * MS accounts? * AD accounts, without cygserver, and without preloading the cygserver group and passwd caches? -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada This email may be disturbing to some readers as it contains too much technical detail. Reader discretion is advised. [Data in binary units and prefixes, physical quantities in SI.]