From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: Dom0 linux 4.0 + devel/for-linus-4.1 branch: p2m.c:884:d0v0 gfn_to_mfn failed! gfn=ffffffff001ed type:4 Date: Mon, 13 Apr 2015 13:07:02 +0100 Message-ID: <552BB166.1060505@citrix.com> References: <1436836007.20150413113902@eikelenboom.it> <552B917B.9040603@citrix.com> <815939792.20150413132150@eikelenboom.it> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Yhd8u-0003VS-4a for xen-devel@lists.xenproject.org; Mon, 13 Apr 2015 12:07:08 +0000 In-Reply-To: <815939792.20150413132150@eikelenboom.it> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Sander Eikelenboom Cc: xen-devel List-Id: xen-devel@lists.xenproject.org On 13/04/15 12:21, Sander Eikelenboom wrote: > > Monday, April 13, 2015, 11:50:51 AM, you wrote: > >> On 13/04/15 10:39, Sander Eikelenboom wrote: >>> Hi David, >>> >>> I seem to have spotted some trouble with a 4.0 dom0 kernel with the >>> devel/for-linus-4.1 branch pulled on top. >>> >>> Does this remind you of any specific commits in the devel/for-linus-4.1 branch that could >>> likely be involved that i could try to revert ? > >> Yes. This will probably be 4e8c0c8c4bf3a (xen/privcmd: improve >> performance of MMAPBATCH_V2) which makes the kernel try harder to map >> all GFNs instead of failing on the first one. > >> I think this is qemu incorrectly trying to map GFNs. > >> David > > Reverted that specific one, but still get those messages. You'll have to bisect it then. Because I don't see any other relevant commits in devel/for-linus-4.1 David