From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= <pasik@iki.fi>
Subject: Re: HVM dropped packets
Date: Wed, 26 Aug 2009 08:52:07 +0300
Message-ID: <20090826055207.GF19938@edu.joroinen.fi>
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To: Nathan Stratton <nathan@robotics.net>
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On Tue, Aug 25, 2009 at 03:52:23PM -0500, Nathan Stratton wrote:
> On Tue, 25 Aug 2009, Pasi K=E4rkk=E4inen wrote:
>=20
> >Well I guess then your only option is to use stubdoms.
>=20
> Any way to figure out what causes the overruns on tap and drops on vif?=
 If=20
> I am using tap for HVM why is there even a vif?
>=20

How's your CPU usage?=20

I bet the drops are caused by the low performance of Qemu nic _emulation_=
.

-- Pasi

> >Beware there's a bug (qemu memleak) in xen 3.4.1 related to stubdoms a=
nd=20
> >heavy io
> >on hvm guests in general:=20
> >http://lists.xensource.com/archives/html/xen-devel/2009-08/msg00335.ht=
ml
>=20
> Thanks.
>=20
> -Nathan