From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Hartmann Subject: Re: [dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0 Date: Sun, 11 Oct 2015 14:23:15 +0200 Message-ID: <561A54B3.5000504@maya.org> References: <20151006101356.GE12506@8bytes.org> <56141507.7040103@maya.org> <56148A1B.5060506@maya.org> <20151007161022.GI28811@8bytes.org> <56154DEA.5050901@maya.org> <20151008163957.GK28811@8bytes.org> <5616B436.1000802@maya.org> <5616C998.1010309@maya.org> <56174EA6.7000106@maya.org> <56178599.6010807@maya.org> <20151009145951.GC27420@8bytes.org> <5617FD6E.70802@maya.org> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <5617FD6E.70802-YKS6W9RDU/w@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 , James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org, Hannes Reinecke Cc: linux-pci , device-mapper development , Jens Axboe , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Mikulas Patocka , Linus Torvalds , Christoph Hellwig , Milan Broz List-Id: iommu@lists.linux-foundation.org On 10/09/2015 at 07:46 PM, Andreas Hartmann wrote: > Hello J=F6rg, > = > On 10/09/2015 at 04:59 PM, Joerg Roedel wrote: >> On Fri, Oct 09, 2015 at 11:15:05AM +0200, Andreas Hartmann wrote: >>> v4.3-rc4 isn't usable at all for me as long as is hangs the machine on >>> the necessary PCI passthrough for VMs (I need them). >> >> If the fix I just sent you works, could you please test this again with >> a (patched) v4.3-rc4 kernel? > = > Your IOMMU-patch works fine - but the ata-problem can be seen here, too. > Same behavior as with 4.1.10. > = Ok, this patch seems to fix the ata errors (I did a lot of tests until now w/ v4.1.10 - but anyway I'm cautious): http://thread.gmane.org/gmane.linux.scsi/104141/focus=3D104267 Would be nice to have it in all kernels (as stable patch too in 4.1.x). Regards, Andreas