From mboxrd@z Thu Jan 1 00:00:00 1970 From: chris Subject: Re: [Pkg-xen-devel] Re: Abnormal memory usage of dom0 under Squeeze leading to crash Date: Sat, 5 Mar 2011 09:04:14 -0500 Message-ID: References: <4D4A3F0C.6040607@debian.org> <20110203083413.GA19326@wavehammer.waldi.eu.org> <4D4A753E.7010106@goirand.fr> <1296725738.13091.410.camel@zakaz.uk.xensource.com> <1299318168.13328.44.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: <1299318168.13328.44.camel@localhost.localdomain> 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: Debian Xen Team , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org I agree, I had assumed that it was dom0 kernel, though I am not a developer so I can't be 100% sure. On Sat, Mar 5, 2011 at 4:42 AM, Ian Campbell wrote: > On Fri, 2011-03-04 at 20:58 -0500, chris wrote: >> I would like to just second this. I have 3 hosts running squeeze and >> am running into that issue as well. It seems after i start enough >> guests to leave dom0 with less than 1gb i get OOM going crazy killing >> xend and very shortly after a crash of dom0 which leads to reboot. >> Prior to Xen4 I had similarly bad experiences with memory ballooning, >> most with regard to any attempt to balloon down. > > So this isn't a regression then? > > It is unlikely that the version of Xen would be a factor here but rather > it is the version of the domain 0 kernel which would matter. > >> I figured I'd give it >> a go on 4 and it seems I will be going back to limiting dom0's ram >> from the cmdline. > > That's always the safest option IMHO. > > Thanks, > Ian. > > >