--mP3DRpeJDSE+ciuQ
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Wed, Apr 04, 2007 at 08:30:43PM -0500, david l goodrich wrote:
> Performance of the domUs on my Pentium D 3ghz dom0 is pretty
> poor - for example, ssh'ing from a domU occasionally just pauses
> and cpu utilization on the domu goes down to 0.  No discernible
> reason that I can see.
>=20
> I compared the output of 'xm list' against my other three dom0s,
> and saw that on the dom0s without performance problems, Domain-0
> was in state "r-----" and the domUs were all in state "------"
>=20
> All of these machines are Athlon XP processors running either
> 4.0_BETA or 4.0_BETA2 and xen 3.0.3 with IDE disks.
>=20
> On the Pentium D dom0, though, Domain-0 is in state "r-----"
> (just like the Athlons) but all the domUs are in state "-b----".
> Except one.
>=20
> This computer has SATA disks, and was featured in the recent VLAN
> and uhci threads.  It is running 4.0_BETA2 and xen 3.0.3.
>=20
> This is my first dual-core machine, and this may be normal, but
> I'd be surprised if it is.  Does anyone have any idea why all the
> domUs would be blocked?

Even communication between domUs on this computer is affected by
this.  AFS fileservers on this dom0 are nigh unusable, volume
moves are failing left and right as the domUs simply stop
processing.

Does anyone have some insight into this?
  --david

--mP3DRpeJDSE+ciuQ
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (NetBSD)

iD8DBQFGFuuGHDmo5jqnP4QRAmOgAJ939h/Jl4cUVCEWh9/SM8h0AABnTACeJwmf
A/zNM4uFWPnoNE5nBXngHiI=
=fL9k
-----END PGP SIGNATURE-----

--mP3DRpeJDSE+ciuQ--