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[Xen-users] Why does my DomU keep going mad?

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Why does my DomU keep going mad?
From: Lyle <webmaster@xxxxxxxxxxxxxx>
Date: Mon, 26 Jul 2010 14:28:42 +0100
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Hi All,
I've got a DomU that sometimes goes mad. I can't ssh or usually even console to it. The time I did manage to console I got a load of dumps about being out of memory and swap, but couldn't run any commands to find out which process had gone mad :( From Dom0 I can see the DomU at 100% CPU and can only stop it with a destroy. What can I do/check to find out why this happens? Sometimes it'll be fine for weeks on end, others it'll go wrong almost every day. The servers average load is very low, around 0.1. I assume there is a process that goes wild for whatever reason, but no idea where to start to track it down :(
  I'm running the latest CentOS, any help much appreciated.


Lyle


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