From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: AMD-Vi regression with PCIe/PCI bridges in 4.4 Date: Tue, 5 Apr 2016 15:19:29 +0200 Message-ID: <20160405131928.GJ17838@8bytes.org> References: <5700BF69.2080102@ladisch.de> <57038D1F.7040205@ladisch.de> <20160405101530.GA4203@suse.de> <5703AEE6.4010304@ladisch.de> <5703B1F3.6000505@math.uwb.edu.pl> <5703BA5E.3060005@ladisch.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <5703BA5E.3060005-P6GI/4k7KOmELgA04lAiVw@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: Clemens Ladisch Cc: Tomasz Golinski , bellamorte42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Joerg Roedel , martin List-Id: iommu@lists.linux-foundation.org On Tue, Apr 05, 2016 at 03:15:10PM +0200, Clemens Ladisch wrote: > Tomasz Golinski wrote: > > On 05.04.2016 14:26, Clemens Ladisch wrote: > >> Martin/Tomasz, could we get the amd_iommu_dump dmesg output for an > >> earlier kernel? > > > > It's for 4.1.15. > > ... > > [ 0.486934] AMD-Vi: DEV_SPECIAL(IOAPIC[5]) devid: 00:14.0 > > [ 0.569054] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40 > > All those "iommu: Adding device x to group y" messages from 4.4 are > missing. Yeah, these messages got added in v4.2. Joerg