This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Pkg-xen-devel] [Xen-devel] Re: Abnormal memory usage of dom0 under

To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Subject: Re: [Pkg-xen-devel] [Xen-devel] Re: Abnormal memory usage of dom0 under Squeeze leading to crash
From: chris <tknchris@xxxxxxxxx>
Date: Sat, 5 Mar 2011 09:04:14 -0500
Cc: Debian Xen Team <pkg-xen-devel@xxxxxxxxxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Sat, 05 Mar 2011 06:05:25 -0800
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=2lSYS41U59vO7lw7s3BsbRXD2GhQHOgz8iVuCGm+lKQ=; b=N6IQFi9YsIozvlsiJqxjPmB+nwHILQQOUxLufD9KX8RkeE6c7WEAdNVzUDXnqDdMlc Zwzpnjl0xzoHuKC3W6/3ZKFWaCGkoMSRs+4TwnYQV6Y2wMd0LzWIe0VKvzTNQnt1DVaQ Hva/ndRJelvh/SbjpupTGQwkFbyA4a9wdfcjo=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=fF08UKdecC0nhhqvACxPX/5gnEDPspfd29rnYzD8UR34vzGMbJX9oIPhWwAPLZRVE7 WOCm0EF3mfH/JBe1qnUtyS2cKgFsBzRo8HYD42jia0iweSR3/xmU1JFh934FV1TSCnyB vE1xs5fovSlwODb2Wb1y+5bcpC+ImyPxI6pac=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <1299318168.13328.44.camel@xxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <4D4A3F0C.6040607@xxxxxxxxxx> <20110203083413.GA19326@xxxxxxxxxxxxxxxxxxxxxxx> <4D4A753E.7010106@xxxxxxxxxx> <1296725738.13091.410.camel@xxxxxxxxxxxxxxxxxxxxxx> <AANLkTi=WN_7FX-k1FV61FJ_f-+asBXj49Fh8fGdhXRYd@xxxxxxxxxxxxxx> <1299318168.13328.44.camel@xxxxxxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
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 <Ian.Campbell@xxxxxxxxxx> 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.

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>