From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751349AbdBXV24 (ORCPT ); Fri, 24 Feb 2017 16:28:56 -0500 Received: from scorn.kernelslacker.org ([45.56.101.199]:57926 "EHLO scorn.kernelslacker.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751221AbdBXV2y (ORCPT ); Fri, 24 Feb 2017 16:28:54 -0500 Date: Fri, 24 Feb 2017 16:28:13 -0500 From: Dave Jones To: Joerg Roedel Cc: Linux Kernel , dwmw2@infradead.org, iommu@lists.linux-foundation.org Subject: Re: intel-iommu sysfs oops. Message-ID: <20170224212813.37vdalqonor2jwoz@codemonkey.org.uk> Mail-Followup-To: Dave Jones , Joerg Roedel , Linux Kernel , dwmw2@infradead.org, iommu@lists.linux-foundation.org References: <20170223194406.i3scsushn7bbizdv@codemonkey.org.uk> <20170223233038.GH4154@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170223233038.GH4154@suse.de> User-Agent: NeoMutt/20170113 (1.7.2) X-Spam-Score: -1.1 (-) X-Spam-Report: Spam detection software, running on the system "scorn.kernelslacker.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: On Fri, Feb 24, 2017 at 12:30:38AM +0100, Joerg Roedel wrote: > Hi Dave, > > On Thu, Feb 23, 2017 at 02:44:06PM -0500, Dave Jones wrote: > > cat /sys/devices/virtual/iommu/dmar0/intel-iommu/version > > > > Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > > Thanks for the report, the problem reproduces easily here. The diff > below fixes the issue on Intel, AMD has the same problem and needs a > similar fix I'll do shortly. [...] Content analysis details: (-1.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.8 RDNS_NONE Delivered to internal network by a host with no rDNS Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 24, 2017 at 12:30:38AM +0100, Joerg Roedel wrote: > Hi Dave, > > On Thu, Feb 23, 2017 at 02:44:06PM -0500, Dave Jones wrote: > > cat /sys/devices/virtual/iommu/dmar0/intel-iommu/version > > > > Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > > Thanks for the report, the problem reproduces easily here. The diff > below fixes the issue on Intel, AMD has the same problem and needs a > similar fix I'll do shortly. Seems to do the job. Thanks for the quick fix Joerg! Dave