From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from casper.infradead.org ([85.118.1.10]:43591 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756404Ab2JJOTd (ORCPT ); Wed, 10 Oct 2012 10:19:33 -0400 Message-ID: <507583EC.3070808@kernel.dk> Date: Wed, 10 Oct 2012 08:19:24 -0600 From: Jens Axboe MIME-Version: 1.0 Subject: Re: FIO 2.0.9 for Windows Server 2008 RC1 SP2 reports extreme latencies References: <50605FEF.5020103@cran.org.uk> <50632E0D.4090003@cran.org.uk> <506693F8.3010903@kernel.dk> <5066FBC0.5040508@cran.org.uk> <507548FE.9010106@cran.org.uk> <507550DB.2000301@cran.org.uk> <50758306.7020807@kernel.dk> <507583A1.9030308@cran.org.uk> In-Reply-To: <507583A1.9030308@cran.org.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Bruce Cran Cc: "Jeffrey McVay (jmcvay)" , "fio@vger.kernel.org" On 2012-10-10 08:18, Bruce Cran wrote: > On 10/10/2012 15:15, Jens Axboe wrote: >> So where is this bug exactly? Is Windows reaping events from the head of >> this list, and thus starving indefinitely potentially? > > Yes - both windowsaio and posixaio read from the head of the list. Gotcha, I did check windowsaio after sending the email. Patch is in, so all should be well. -- Jens Axboe