From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: Re: intel-iommu sysfs oops. Date: Fri, 24 Feb 2017 16:28:13 -0500 Message-ID: <20170224212813.37vdalqonor2jwoz@codemonkey.org.uk> References: <20170223194406.i3scsushn7bbizdv@codemonkey.org.uk> <20170223233038.GH4154@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20170223233038.GH4154-l3A5Bk7waGM@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joerg Roedel Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, Linux Kernel List-Id: iommu@lists.linux-foundation.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