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Xen2/NetBSD 3.1 DomU running slowly




To: port-xen%netbsd.org@localhost

Subject: Xen2/NetBSD 3.1 DomU running slowly

From: Stephen Borrill <netbsd%precedence.co.uk@localhost>

Date: Thu, 31 May 2007 09:24:51 +0100 (BST)


Every now and then I get reports of a customer's DomU running slowly and,  sure enough, when I connect it takes ages to login. However, it's running  at 100% idle and the other DomU on the same box is fine. A reboot of the  DomU fixes it. When it happened today, I saw the following on the Dom0  console (which is running quickly and responsively):

xen_shm_map: ENOMEM
xen_shm_map: ENOMEM1
xvif3.0: can't map packet page

The first two are debugging, I believe, but the third looks suspicious...

The kern
els are 3.1_STABLE from 20th Nov 2006. Have there been pullups  that fix this, i.e. should I be updating? I'm not in a position to upgrade  to NetBSD 4.0/Xen3 at the moment.

--
Stephen




Follow-Ups:

Re: Xen2/NetBSD 3.1 DomU running slowly
From: Manuel Bouyer

Re: Xen2/NetBSD 3.1 DomU running slowly
From: Johan Ihren




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