From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266299AbUBLIlx (ORCPT ); Thu, 12 Feb 2004 03:41:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266302AbUBLIlx (ORCPT ); Thu, 12 Feb 2004 03:41:53 -0500 Received: from mail.shareable.org ([81.29.64.88]:48769 "EHLO mail.shareable.org") by vger.kernel.org with ESMTP id S266299AbUBLIlw (ORCPT ); Thu, 12 Feb 2004 03:41:52 -0500 Date: Thu, 12 Feb 2004 08:41:10 +0000 From: Jamie Lokier To: Kyle Cc: Bas Mevissen , linux-kernel@vger.kernel.org Subject: Re: ICH5 with 2.6.1 very slow Message-ID: <20040212084110.GB20898@mail.shareable.org> References: <164601c3ec06$be8bd5a0$b8560a3d@kyle> <40227C20.80404@basmevissen.nl> <167301c3ec0d$4d8508c0$b8560a3d@kyle> <40227D9D.2070704@basmevissen.nl> <168301c3ec0e$24698be0$b8560a3d@kyle> <4023682E.3060809@basmevissen.nl> <001101c3ecf8$b0f50cc0$b8560a3d@kyle> <40274581.4030002@basmevissen.nl> <004501c3f0ae$ecdd2ec0$b8560a3d@kyle> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <004501c3f0ae$ecdd2ec0$b8560a3d@kyle> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Kyle wrote: > Today I tried with compile the kernel 2.6.1 with: > > IGNORE word93 Validation BITS (IDEDMA_IVB) = y > > The result looks a bit better, got 30MB/s at /dev/hda and 37MB/s at /dev/hdc > (38MB/s and 55MB/s at kernel 2.4.20) Aha... Have a look at the thread called "[RFC] IDE 80-core cable detect - chipset-specific code to over-ride eighty_ninty_three()". It specifically deals with ICH5 and is probably the same problem as you're seeing. -- Jamie