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RE: [Xen-users] Dom0 Crashes on High I/O

To: <burke@xxxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Dom0 Crashes on High I/O
From: "Ross S. W. Walker" <rwalker@xxxxxxxxxxxxx>
Date: Fri, 4 Apr 2008 10:33:09 -0400
Cc: Henri Cook <henri@xxxxxxxxxxxxxxxxxxxxx>, Chuck Short <zulcss@xxxxxxxxxx>
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Thread-topic: [Xen-users] Dom0 Crashes on High I/O
Ryan Burke wrote:
> >> Henri Cook wrote:
> >>> Please; can anyone shed some light on this? At the moment I
> >>> can lose the machine up to five times a day and obviously
> >>> can't install windows or anything!
> >
> >
> >> Try doing all of these and see if it doesn't fix your
> >> problem.
> >
> >
> > I think we maybe can limit this to an out of memory? Might be fixable by
> > disabling memory overcommit.
> >
> >
> > Stefan
> Unless there has been a recent radical change to Xen it isn't possible to
> overcommit memory like other virtualization systems.

No, but there is a possibility that the OP under committed dom0.

Also make sure that (dom0-min-mem XXX) is set to a reasonable level,
256 with no X, 512 with X, this is found in /etc/xen/xend-config.sxp.


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