From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Infinite loop on MODE-SENSE with a removable ATAPI sata device on VIA chipset Date: Thu, 11 May 2006 00:26:22 +0900 Message-ID: <4462061E.5030007@gmail.com> References: <446205DF.3050706@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wx-out-0102.google.com ([66.249.82.207]:44213 "EHLO wx-out-0102.google.com") by vger.kernel.org with ESMTP id S1751463AbWEJP02 (ORCPT ); Wed, 10 May 2006 11:26:28 -0400 Received: by wx-out-0102.google.com with SMTP id t16so1270267wxc for ; Wed, 10 May 2006 08:26:27 -0700 (PDT) In-Reply-To: <446205DF.3050706@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Dario Oliva Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org Tejun Heo wrote: > Dario Oliva wrote: >> Tejun Heo wrote: >> >>> None attached. :) >> >> Oops. >>> I asked the model because plexstor list some of their drives as PIO >> only with VIA controllers. I don't know why. But >>> VIA + plextor combination seems to have some problems and your problem >> might be a similar one. >>> Have you tried the drive with other controllers? >> >> Yes, we have tried other controllers, mainly Intel and nvidia. No >> problems with either one. Only the motherboard with the VIA controller >> gives the problem. >> > > Seems to be the same problem. You can force PIO mode by adding your > device's ID to ata_dma_list[] in libata-core.c. It will force PIO mode s/ata_dma_list/ata_dma_blacklist/ of course. -- tejun