[kata-dev] how much does kata depend on kernel features?

Whaley, Graham graham.whaley at intel.com
Thu Apr 2 10:11:02 UTC 2020

> -----Original Message-----
> From: Dr. David Alan Gilbert <dgilbert at redhat.com>
> Sent: Thursday, April 2, 2020 10:11 AM
> To: Ilya Dmitrichenko <errordeveloper at gmail.com>
> Cc: kata-dev at lists.katacontainers.io
> Subject: Re: [kata-dev] how much does kata depend on kernel features?
> * Ilya Dmitrichenko (errordeveloper at gmail.com) wrote:
> > I'd like to use kata to test applications on different kernels,
> > ideally I'd like to be able to import kernels from most modern
> > distributions and test on those kernels without any changes.

OOI Ilya, is there a particular reason you are using Kata for this, and not using just vanilla VMs?
I think adding Kata to the mix is going to make your life significantly harder - it is/was not designed to 'just work' on any kernel without specific features etc., as you are finding.
If there is a specific reason to use Kata, fine, great - but we'd probably be interested to hear it 😉
If not, then your life might get significantly easier if you switch to using plain QEMU (and if your apps are in containers, then having docker installed on the client you run under vanilla QEMU etc.).


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