From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266451AbUBLOFU (ORCPT ); Thu, 12 Feb 2004 09:05:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266452AbUBLOFU (ORCPT ); Thu, 12 Feb 2004 09:05:20 -0500 Received: from aries.i-cable.com ([203.83.111.74]:19429 "HELO aries.i-cable.com") by vger.kernel.org with SMTP id S266451AbUBLOFO (ORCPT ); Thu, 12 Feb 2004 09:05:14 -0500 Message-ID: <02e701c3f171$c06a5b60$353ffea9@kyle> From: "Kyle" To: "Jamie Lokier" Cc: References: <164601c3ec06$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> <20040212084110.GB20898@mail.shareable.org> Subject: Re: ICH5 with 2.6.1 very slow Date: Thu, 12 Feb 2004 22:08:55 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Yes I read the thread and re-compile with IDEDMA_IVB= y, got some performance back, but is still far slower than 2.4 ----- Original Message ----- From: "Jamie Lokier" To: "Kyle" Cc: "Bas Mevissen" ; Sent: Thursday, February 12, 2004 4:41 PM Subject: Re: ICH5 with 2.6.1 very slow > 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 >