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

[Frank Motta <frank@xxxxxxxxxxxxxxxxxxxxxxx>]

Hello all,
        Sorry about absence due to a home emergency.

        I am the primary FAE supporting the ThunderX systems sitting in the 
Cavium HQ offices.  

        Is it possible to get a summary of the need and problem please?

Cheers

-------------------------------------------------------------------------------------------------------------
Frank Motta
Field Applications Engineer for Cavium
408-943-7615 (O)  510-757-8909 (C) 
Phoenics Electronics

www.phoenicselectronics.com 
Proudly celebrating over 10 years supporting Cavium customers

-----Original Message-----
From: Julien Grall [mailto:julien.grall@xxxxxxx] 
Sent: Thursday, February 9, 2017 4:06 AM
To: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Steve Wilson <steve@xxxxxxxxxxxxxxxxxxxxxxx>; Alena Hyde 
<alena@xxxxxxxxxxxxxxxxxxxxxxx>; wg-test-framework@xxxxxxxxxxxxxxxxxxxx; Lars 
Kurth <lars.kurth@xxxxxxxxxx>; Frank Motta <frank@xxxxxxxxxxxxxxxxxxxxxxx>; 
ypatel@xxxxxxxxxxx
Subject: Re: 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 
> Lab)"):
>> 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 support.
>
> 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.

Cheers,

--
Julien Grall

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