From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Hancock Subject: Re: [PATCH 2/2] sata_nv: fix ATAPI issues with memory over 4GB (v3) Date: Wed, 14 Nov 2007 22:06:55 -0600 Message-ID: <473BC5DF.1040302@shaw.ca> References: <473A7677.6080007@shaw.ca> <473BA332.9030406@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from idcmail-mo1so.shaw.ca ([24.71.223.10]:22275 "EHLO pd2mo3so.prod.shaw.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753806AbXKOEHc (ORCPT ); Wed, 14 Nov 2007 23:07:32 -0500 In-reply-to: <473BA332.9030406@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: linux-kernel , ide , Jeff Garzik Tejun Heo wrote: > Robert Hancock wrote: >> This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode >> on systems with memory located above 4GB. We need to delay setting the 64-bit >> DMA mask until the PRD table and padding buffer are allocated so that they don't >> get allocated above 4GB and break legacy mode (which is needed for ATAPI >> devices). >> >> Signed-off-by: Robert Hancock > > applied to #tj-upstream-fixes. > I have a report that these patches crashed but the previous patch worked: https://bugzilla.redhat.com/show_bug.cgi?id=351451 So there may still be a problem here.