Re: Problem with Xen 4.5 failing XTF tests on old AMD cpus ?

[Wei Liu <wei.liu2@citrix.com>]

On Wed, Sep 21, 2016 at 12:42:51PM -0400, Boris Ostrovsky wrote:
> 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?

No. They are all upstream commits.

> 
> >
> > 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?

The guest config file is not stored because it is part of xtf. So ...

> 
> >
> > 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.
> 

... the best way to try is to build and run xtf.

After building:

./xtf-runner --host --functional

> -boris

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