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Re: [Xen-devel] upgrade to 2.6.18.8 ?

To: "Stefan Berger" <stefanb@xxxxxxxxxx>
Subject: Re: [Xen-devel] upgrade to 2.6.18.8 ?
From: "Teck Choon Giam" <giamteckchoon@xxxxxxxxx>
Date: Wed, 3 Oct 2007 23:52:47 +0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir@xxxxxxxxxxxxx>, xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
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On 10/3/07, Stefan Berger <stefanb@xxxxxxxxxx> wrote:
> Do you know how to trigger this error? I tried a rather simple 2.6.18.8
> domain(CS 217 + 2.6.18.8 patch with those 2 hunks cut out) with 256 MB and
> then 728 MB and needless to say it does not appear there.

This error on some domainUs will shown if it is running lots of IO or
taking more memory and started to swap a lot.  On some domainU where
hardly using much IO or memory, won't produce such oops accordingly to
my experience.  However on a live domainU hosting less than 50 virtual
domains can produce such oops within 2 weeks time.  So it depends on
memory usage and IO/load I guess... sorry for not able to provide you
an exact way to reproduce such oops :(  I will try to use stress
(http://weather.ou.edu/~apw/projects/stress/) and see whether can I
reproduce such oops on my test system after I get my new RAM which
should be within these few days.  BTW, the one (domainU) which is
getting the oops is allocated with 1GB memory.

Thanks.

Kindest regards,
Giam Teck Choon

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