From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul Rolland" Subject: RE: [git patches] libata fixes Date: Mon, 12 Mar 2007 09:00:54 +0100 Message-ID: <001b01c7647c$921ced00$4b00a8c0@donald> References: <45F4F30F.9010603@gmail.com> Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from tag.witbe.net ([81.88.96.48]:52724 "EHLO tag.witbe.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965283AbXCLIB1 (ORCPT ); Mon, 12 Mar 2007 04:01:27 -0400 In-Reply-To: <45F4F30F.9010603@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: 'Tejun Heo' , 'Linus Torvalds' Cc: 'Jeff Garzik' , 'Alan Cox' , 'Andrew Morton' , linux-ide@vger.kernel.org, 'LKML' , "'Eric D. Mudama'" Hello, > It involves a long timeout, so it's bothersome. This is caused by > Silicon Image 4726/3726 storage processor (SATA Port Multiplier with > extra features) attached to one of the ICH ports. Yes, I think this is the part Asus is using for it's EZ-Raid feature on this motherboard, and they seem to like their EZ-Raid, so it's likely to become more and more common. > If the first downstream port in the PMP is empty and it gets reset in I confirm it is empty in my config. > work very well with the current ATA reset sequence and gets identified > only after a few failures thus causing long timeout. 30s to 1min ;( > I keep forgetting about this. I'll ask SIMG how to deal with > this. For > the time being, connecting a device to the PMP port should remove the > timeouts. That sounds a quite expensive solution ;) Paul From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965283AbXCLIB3 (ORCPT ); Mon, 12 Mar 2007 04:01:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965309AbXCLIB2 (ORCPT ); Mon, 12 Mar 2007 04:01:28 -0400 Received: from tag.witbe.net ([81.88.96.48]:52724 "EHLO tag.witbe.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965283AbXCLIB1 (ORCPT ); Mon, 12 Mar 2007 04:01:27 -0400 Reply-To: From: "Paul Rolland" To: "'Tejun Heo'" , "'Linus Torvalds'" Cc: "'Jeff Garzik'" , "'Alan Cox'" , "'Andrew Morton'" , , "'LKML'" , "'Eric D. Mudama'" Subject: RE: [git patches] libata fixes Date: Mon, 12 Mar 2007 09:00:54 +0100 Organization: AS2917.net Message-ID: <001b01c7647c$921ced00$4b00a8c0@donald> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <45F4F30F.9010603@gmail.com> Thread-Index: Acdkb6qeIT0M5pKsQ7a057sCwX6cJwADFPOw X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, > It involves a long timeout, so it's bothersome. This is caused by > Silicon Image 4726/3726 storage processor (SATA Port Multiplier with > extra features) attached to one of the ICH ports. Yes, I think this is the part Asus is using for it's EZ-Raid feature on this motherboard, and they seem to like their EZ-Raid, so it's likely to become more and more common. > If the first downstream port in the PMP is empty and it gets reset in I confirm it is empty in my config. > work very well with the current ATA reset sequence and gets identified > only after a few failures thus causing long timeout. 30s to 1min ;( > I keep forgetting about this. I'll ask SIMG how to deal with > this. For > the time being, connecting a device to the PMP port should remove the > timeouts. That sounds a quite expensive solution ;) Paul