From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from 8bytes.org ([81.169.241.247]:36081 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752006AbbJIKkZ (ORCPT ); Fri, 9 Oct 2015 06:40:25 -0400 Date: Fri, 9 Oct 2015 12:40:23 +0200 From: Joerg Roedel To: Andreas Hartmann Cc: Mikulas Patocka , iommu@lists.linux-foundation.org, Leo Duran , Christoph Hellwig , device-mapper development , Milan Broz , Jens Axboe , linux-pci , Linus Torvalds Subject: Re: [dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0 Message-ID: <20151009104023.GN28811@8bytes.org> References: <20150929162042.GR3036@8bytes.org> <560BF73F.8000008@maya.org> <20151006101356.GE12506@8bytes.org> <56141507.7040103@maya.org> <20151007154005.GH28811@8bytes.org> <56155028.7060906@maya.org> <20151008173007.GL28811@8bytes.org> <5616BCF4.10104@maya.org> <5616C850.2000906@maya.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <5616C850.2000906@maya.org> Sender: linux-pci-owner@vger.kernel.org List-ID: On Thu, Oct 08, 2015 at 09:47:28PM +0200, Andreas Hartmann wrote: > Got it. I attached the complete oops and the output of objdump. > > Kernel was linux 4.3-rc4 > > > This time, the oops was caused by the second PCI card I'm passing > through to another VM (the ath9k card worked fine this time - chance?). > I added the lspci output to the attached file, too. Okay, thanks, this makes more sense to me. It looks like you are attaching a 32bit PCI device, which has an alias. This is definitly a bug in the AMD IOMMU driver and I have an idea how to fix it. I'll look into this after lunch. Joerg