Re: [Xen-devel] [xen-4.6-testing test] 138333: regressions - FAIL

[Ian Jackson <ian.jackson@xxxxxxxxxx>]

Ian Jackson writes ("Re: [xen-4.6-testing test] 138333: regressions - FAIL"):
> Ian Jackson writes ("Re: [xen-4.6-testing test] 138333: regressions - FAIL"):
> > Ian Jackson writes ("Re: [xen-4.6-testing test] 138333: regressions - 
> > FAIL"):
> > > These all have `qemut' in common.
...
> I'm trying a test with 4.7's version of qemu trad.

This does not work.  4.7's qemu trad doesn't build because of tools
library reorganisation.  Reverting those changes to 4.7 produces a
qemu trad that is identical to 4.6's.  So the regression is not in
qemu.

I suspect a firmware or hvmloader problem.

This is blocking us getting a push for the Xen 4.8 stable branches:

We want to test 4.7->4.8 migration, so we must build 4.7 to test 4.8.
But 4.7 stable does not build (on stretch) and a push of 4.7 is
blocked because:

We want to test 4.6->4.7 migration, so we must build 4.6 to test 4.7.
But 4.6 stable does not build (on stretch) and a push of 4.6 is
blocked because:

4.6 staging does not boot hvm guests with qemu trad.

(There may be other problems too.)

If we were to force push 4.6 then those migration tests of 4.6->4.7
that use qemu-trad would fail because of the same bug.

We could choose to force push 4.7 despite not knowing whether 4.6->4.7
migration still works.

Ian.

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