From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baoquan He Subject: Re: Can't boot new 4.4 kernel with IOMMU enabled Date: Wed, 20 Jan 2016 21:03:42 +0800 Message-ID: <20160120130342.GA10598@x1.redhat.com> References: <56957209.1080202@compro.net> <20160113030950.GB11902@dhcp-128-28.nay.redhat.com> <20160120123116.GF18805@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20160120123116.GF18805-zLv9SwRftAIdnm+yROfE0A@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 List-Id: iommu@lists.linux-foundation.org On 01/20/16 at 01:31pm, Joerg Roedel wrote: > Hi Baoquan, > > On Wed, Jan 13, 2016 at 11:09:50AM +0800, Baoquan He wrote: > > Seems 0f:00.0 is not attached to a group so that it get a domain. Can > > you also paste your "lspci -t" and "lspci -vvv" output? Here 0f:00.0 > > should be a pci bridge which need set the same domain with its > > peripheral 0000:0f:04.0. > > > > Please apply this patch and try again. > > Thanks for the fix, mind submitting it so that I can queue it and send > it upstream after the merge window closes? Sure, let me do it now. However I still didn't figure out why 2 of 8 sata disks can't be brought up on Mark's machine. Do you have any clues about it? Thanks Baoquan