Re: [Xen-devel] [OSSTEST PATCH] debianhvm tests: Re-permute guest architecture

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Apr 17, 2019 at 11:08:40AM +0100, Ian Jackson wrote:
> Firstly, change the smoke flight to use amd64, not i386.
> Secondly, make the other flights have a mixture of i386 and amd64, not
> just amd64.
> 
> It was always wrong to test only one guest architecture in the main
> flights.
> 
> The context for changing the smoke flight is that there seems to be a
> problem affecting Debian i386 guests.  This is rather a nuisance but
> it is not a Xen regression so we probably want to do an amd64 guest
> instead so we have some HVM tests in the smoke flights.
> 
> Checked with standalone-generate-dump-flight-runvars.  Differences
> are as follows:
> 
> 1. Generally, to change the guest arch from amd64 to i386 in:
> 
>   test-amd64-amd64-xl-qemut-debianhvm-{amd64,i386}-xsm
>   test-amd64-amd64-xl-qemuu-debianhvm-{amd64,i386}-xsm
>   test-amd64-i386-xl-qemut-debianhvm-{amd64,i386}-xsm
>   test-amd64-i386-xl-qemuu-debianhvm-{amd64,i386}-xsm
> 
> This occurs in all the usual flights.
> 
> 2. To change the guest arch from i386 to amd64 in:
> 
>   xen-unstable-smoke   test-amd64-amd64-xl-qemuu-debianhvm-i386
> 
> In all cases, this implies a variety of changes to runvars, including
> the ISO to be used, the install timeout, etc.
> 
> Usually I would introduce new jobs first, and then, after an overlap,
> remove old ones.  But the regression, due to the i386 hvm stretch
> problem, is already with us.
> 
> I expect this change to unblock the xen-unstable-smoke flights by
> dropping the failing job and replacing it with a passing one.
> 
> The other flights will now start to fail, though.  I will need,
> separately, to develop a workaround for the stretch i386 hvm guest
> bug.
> 
> CC: Wei Liu <wei.liu2@xxxxxxxxxx>
> CC: Juergen Gross <jgross@xxxxxxxx>
> CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

FWIW:
Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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