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Re: [Qemu-devel] Nested KVM L2 guest hangs


From: Paolo Bonzini
Subject: Re: [Qemu-devel] Nested KVM L2 guest hangs
Date: Fri, 09 Jan 2015 16:34:56 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0


On 09/01/2015 16:30, Ariel Zeitlin wrote:
> Hi, Paolo
> We are using a pretty new kernel 3.13.0-43 as part of Ubuntu14.04.
> 
> What version would you recommend? 

At least 3.16.

3.13 is about a year old, and nested virtualization is a very new feature.

> Do we need the upgrade on L0, L1 or both?

Start with L0, but it may be that you need to upgrade L1 as well.

Paolo



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