From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: Re: [PATCH] xen: correctly rebuild mfn list list after migration. Date: Thu, 14 Oct 2010 11:27:43 -0700 Message-ID: <4CB74B9F.2060608@goop.org> References: <1286878488-9027-1-git-send-email-ian.campbell@citrix.com> <4CB650CE.7090701@goop.org> <1287038979.5663.180.camel@localhost.localdomain> <1287046280.2003.5564.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1287046280.2003.5564.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ian Campbell Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 10/14/2010 01:51 AM, Ian Campbell wrote: > On Thu, 2010-10-14 at 07:49 +0100, Ian Campbell wrote: >> On Thu, 2010-10-14 at 01:37 +0100, Jeremy Fitzhardinge wrote: >>> >>> I'm getting this triggering at boot: >>> >>> PM: Adding info for No Bus:xen!gntdev >>> ------------[ cut here ]------------ >>> kernel BUG at /home/jeremy/git/linux/arch/x86/xen/mmu.c:480! >> Probably a consequence of the bogus attempt to skip over completely >> empty mid levels which you pointed out in your next mail. >> >> I guess I should test 64 bit guests and not just PAE ones and I guess >> pre-ballooning is likely to interact as well. > I'm only able to reproduce this by booting ballooned and then ballooning > up, are you doing that or were you seeing it just by booting? > > What are your memory and maxmem settings? memory=512, no maxmem. J