From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753064AbcIIIqX (ORCPT ); Fri, 9 Sep 2016 04:46:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40256 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751686AbcIIIqT (ORCPT ); Fri, 9 Sep 2016 04:46:19 -0400 Date: Fri, 9 Sep 2016 16:46:15 +0800 From: Baoquan He To: Joerg Roedel Cc: iommu@lists.linux-founda, linux-kernel@vger.kernel.org, dyoung@redhat.com Subject: Re: io_page_fault seen in normal kernel boot log Message-ID: <20160909084615.GF11356@x1.redhat.com> References: <20160905053805.GC29344@x1.redhat.com> <20160905095900.GQ1437@8bytes.org> <20160905101158.GC11356@x1.redhat.com> <20160906091356.GS1437@8bytes.org> <20160909080550.GD11356@x1.redhat.com> <20160909083040.GW1437@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160909083040.GW1437@8bytes.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Fri, 09 Sep 2016 08:46:19 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/09/16 at 10:30am, Joerg Roedel wrote: > On Fri, Sep 09, 2016 at 04:05:50PM +0800, Baoquan He wrote: > > On 09/06/16 at 11:13am, Joerg Roedel wrote: > > > Hmm, on the other hand, the AMD-Vi driver in 4.8 uses the generic IOVA > > > allocator, so the addresses it hands out should be closer to 4GB. > > > Anyway, this is probably a bug/problem in the GPU driver. > > > > Thanks for telling. So should I raise this issue to radeon driver > > mailist list? They probably they have some clues. > > I tried that before and seldom got a response, but maybe you have more > luck :) OK, got it. I will resend it to their mailing list. Thanks.