X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:subject:to:references:from:message-id:date :mime-version:in-reply-to:content-type :content-transfer-encoding; q=dns; s=default; b=Mh3V2OQy+EF6CoF4 N5kwEY1T9xRKS8DmPed57nQLblZxc53b8jUl6NKWdVrgtqKFxNjO8A0l/O+IzNgs NawGe5aGd4dPEzmx4kqp3I+pNkrEpJT0V4WSUW10jzWWFxbi4rh4+zCpsvw989Rs DpOcS8PWaS3zPy2rzHCrGAoX3IU= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:subject:to:references:from:message-id:date :mime-version:in-reply-to:content-type :content-transfer-encoding; s=default; bh=aO1E2H7RZk79y0qToBFPHf pUKqk=; b=H34QL3pOf4C4/0Ga74dMAnOSH1lR85gp49CPXkO8o3xNoiE05B8EO2 1UrfSYt4G0dyOaB71yW7zJ0Ni1qs19LrtKprx5K69YRt4gyd94poewQzcA6C69BJ slFoGHXFbcqdwRGnQFwqShDKp1oj1nyhy6aRggsn8GuN0XJLfeiWM= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.5 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RCVD_IN_DNSWL_LOW autolearn=no version=3.3.2 spammy=H*r:10.10.10, 2032, our X-HELO: mail.thinkmo.de Subject: Re: borgbackup test fail on cygwin (only) - cygwin pipe issues? To: cygwin AT cygwin DOT com References: <8d66dac6-689d-972f-d06a-f4c1869b6b87 AT waldmann-edv DOT de> <6d5d6289-ea61-cd18-fb48-c5053f292e0f AT gmail DOT com> From: Thomas Waldmann Openpgp: id=6D5BEF9ADD2075805747B70F9F88FB52FAF7B393 Message-ID: Date: Fri, 13 Jan 2017 19:18:54 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <6d5d6289-ea61-cd18-fb48-c5053f292e0f@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes It was a bug in our code that was triggered frequently by the small cygwin pipe buffer size of only 64kiB. borgbackup fix/workaround see there: https://github.com/borgbackup/borg/pull/2032 It (almost?) never happened on other OSes, due to their bigger buffers. Note: It would be nice to have bigger pipe buffers on cygwin, for performance reasons. -- 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