Re: [Xen-users] dom0=pvh and 4.18

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Mon, Aug 13, 2018 at 12:31:26PM +1200, Glenn Enright wrote:
> Hi all,
> 
> Doing some testing with 4.18 kernel, trying to get dom0=pvh working with
> xen4.11.
> 
> Builds are from my own test machine, with a gcc8.0 toolchain for centos6.
> Test machine is a Supermicro X9 board with Dual E52630v2 cpus.
> 
> What I'm seeing is that xen boots up fine, but on the transition to the
> linux kernel, the screen goes blank and the server never pings. I've tried a
> bunch of different command line options including various console/serial
> with no change.
> 
> Does anyone have a magical set of xen boot options that could help get me
> started or at least show something to point the way?

Thanks for the testing!

You will have to setup a serial console in order to get the output
from Xen and early Linux boot, without that it's going to be almost
impossible to debug any issues.

That aside, in order to test PVH Dom0 you will have to use the xen.git
staging branch. Xen 4.11 is still missing some required patches for
Dom0 support which are now committed to staging.

If you build 4.11 by yourself building staging should be no different.
If you still see issues with staging, please paste the full serial
log of Xen + Dom0 booting.

Roger.

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