I have had Random KVM Guest crashes on a KVM Host that is running the kernel-2.6.18-308.el5.x86_64 kernel.<br />
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More that one guest has crashed (and more than one OS on the guest). All the guests are using the Virtio hard drive driver.<br />
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I have upgraded the kernel to kernel-2.6.18-308.el5.1.1.x86_64 on the host and several of the EL 5 guests and will report if this makes it more stable.<br />
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This is also an issue upstream as noted here:<br />
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<a href="http://www.redhat.com/archives/rhelv5-list/2012-February/msg00060.html">http://www.redhat.com/archives/rhelv5-list/2012-February/msg00060.html</a> [<a href="http://www.redhat.com/archives/rhelv5-list/2012-February/msg00060.html" target="_blank">^</a>]
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