Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 19 Oct 2001 09:27:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 19 Oct 2001 09:27:12 -0400 Received: from mail12.speakeasy.net ([216.254.0.212]:30475 "EHLO mail12.speakeasy.net") by vger.kernel.org with ESMTP id ; Fri, 19 Oct 2001 09:27:03 -0400 Content-Type: text/plain; charset=US-ASCII From: safemode To: Andrei Lahun , linux-kernel@vger.kernel.org Subject: Re: problems with I/O performance with 2.4.12-ac3 Date: Fri, 19 Oct 2001 09:27:35 -0400 X-Mailer: KMail [version 1.3.2] In-Reply-To: <20011019163058.1bb7c6f7.uman@chert> In-Reply-To: <20011019163058.1bb7c6f7.uman@chert> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <20011019132707Z278400-17408+2377@vger.kernel.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 19 October 2001 10:30, Andrei Lahun wrote: > hello. > > I did a bonnie++ tests with 2.4.13-pre3(+aa vm) > and 2.4.12-ac3(+Rick patch). > And i found that ac kernel have a big problems here. > With linux kernel i got 22 Mb/c for read 19 for write and > with ac 12 for read and 11 for write (both with ext2) > If i used ext3 with ac kernel results little bit better. > What is the reason for such regression in ac kernel ? > And yes of course i had udma for both test. > > Andrei. You should give ide and drive chipset info. This is not a problem seen by everyone using the ac3 kernel. Mine for instance run just fine. What settings did you use with bonnie++? all of this is required info if someone wanted to look and see why you are getting those numbers. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/