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Re: [Wg-test-framework] ThunderX machines (for the Xen Project OSSTEST Test Lab)

Hi Ian,

On 09/02/17 11:54, Ian Jackson wrote:
Julien Grall writes ("Re: ThunderX machines (for the Xen Project OSSTEST Test 
On 08/02/17 14:29, Ian Jackson wrote:
Do you know that these machines work with some upstream Linux and if
so which upstream Linux version ?

The upstream support of Thunder-X was still going on recently. Linux 4.9
would be the first upstream kernel booting on Thunder-X. However, this
is only with Device Tree support. You would have to use 4.10 for ACPI

We boot (mainly) two kinds of kernels: 1. ones provided by Debian, for
native (non-Xen) installations.  2. our own builds, with Xen (and
these can be any suitable git branch, but we would prefer them to be
some upstream version).

Debian jessie-backports has Linux 4.9.  So it seems that it should be
fine.  I don't think we need our native installs to be ACPI.

Note that the default arm64 config will not work out of box on this
board. You will need to enable more options in it.

Below is a copy of /boot/config-4.9.0-0.bpo.1-arm64 from Debian's
package linux-image-4.9.0-0.bpo.1-arm64_4.9.2-2~bpo8+1_arm64.deb.

Looking at the config, options for Thunder-X are not enabled (e.g CONFIG_ARCH_THUNDER).

From what I gathered in my team, there is a package 4.9.6 which has Thunder-X options. However, it is only available on unstable for now. It should reach testing soon and we can then request for a backport.


Julien Grall

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