Re: [Xen-devel] Problem with Xen 4.5 failing XTF tests on old AMD cpus ?

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 09/21/2016 12:13 PM, Ian Jackson wrote:
> Platform Team regression test user writes ("[xen-4.5-testing baseline-only 
> test] 67737: regressions - FAIL"):
>> test-xtf-amd64-amd64-1 19 xtf/test-hvm32-invlpg~shadow fail REGR. vs. 67706
>> test-xtf-amd64-amd64-1 26 xtf/test-hvm32pae-invlpg~shadow fail REGR. vs. 
>> 67706
> Several of these, 32bit and 64bit HVM.  This is in the Citrix
> Cambridge osstest instance.  The Xen Project colo instance is
> unaffected (flight 101045 there passed with the same revisions of
> everything)
>
> This is with:
>
>   xen e4ae4b03d35babc9624b7286f1ea4c6749bad84b
>   xtf b5c5332de4268d33a6f8eadc1d17c7b9cf0e7dc3
>   linux b65f2f457c49b2cfd7967c34b7a0b04c25587f13
>   linux-firmware c530a75c1e6a472b0eb9558310b518f0dfcd8860

I can't get these commits neither for Xen nor for Linux. Are these from
Citrix trees?

>
> The log says this:
>
>   2016-09-21 06:07:36 Z ---------- substep 19 xtf/test-hvm32-invlpg~shadow 
> running ---------- 
>   2016-09-21 06:07:36 Z executing ssh ... root@10.80.228.78                 
> /home/xtf/xtf-runner -m logfile test-hvm32-invlpg~shadow 1>&2; echo $?
>
>   Using logfile '/var/log/xen/console/guest-test-hvm32-invlpg~shadow.log'
>   Executing 'xl create -F tests/invlpg/test-hvm32-invlpg~shadow.cfg'
>   --- Xen Test Framework ---
>   Environment: HVM 32bit (No paging)
>   Testing 'invlpg' in normally-faulting conditions
>     Test: Mapped address
>     Test: Unmapped address
>     Test: NULL segment override
>     Test: Past segment limit
>       Fail: Unexpected #GP[0000]
>     Test: Before expand-down segment limit
>       Fail: Unexpected #GP[0000]
>   Test result: FAILURE
>
>   Combined test results:
>   test-hvm32-invlpg~shadow                 FAILURE
>
> Sadly we haven't yet managed to make the logs from this instance
> public.

I looked at the logs you posted but I can't find guest config file. Are
they part of the logs?

>
> Do you have any idea what might be causing this ?  Is there a real
> problem with the Xen 4.5 branch ?  The Citrix Cambridge instance has
> old hardware.

We run 4.5 every week or so here but we don't run without HAP (which,
based on the name, I assume is what this guest is).

I'll give it a try.

-boris

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