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Re: [Xen-devel] [linux-3.18 test] 59041: regressions - trouble: blocked/broken/fail/pass

On 07/06/2015 11:49 AM, Ian Campbell wrote:
On Mon, 2015-07-06 at 11:22 -0400, Boris Ostrovsky wrote:
On 07/06/2015 04:32 AM, Ian Campbell wrote:
On Fri, 2015-07-03 at 22:21 +0000, osstest service owner wrote:
flight 59041 linux-3.18 real [real]

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
   test-amd64-amd64-xl-pvh-intel 11 guest-start              fail REGR. vs. 
Not really sure who is on the hook for pvh fails these days, copying
some likely suspects + x86 maintainers. Looks like the guest is triple

Looks like something happened between 2015-06-15 and 2015-06-29 (flights
58581 and 58976)
Yes, and a bit of the original report I should have quoted is:

version targeted for testing:
  linux                ea5dd38e93b3bec3427e5d3eef000bbf5d637e76
baseline version:
  linux                d048c068d00da7d4cfa5ea7651933b99026958cf

See also the complete history of this test on this branch at

  and it's only 3.18 kernel, right?
As far as I know. But: older linux-X.Y doesn't support PVH, so this test
has always failed at guest-start in those flights, before we would have
gotten to this failure.

The only newer stable branch which we test is linux-4.1, flight 59054
from didn't show this issue, but the next one might pick up something
newer, or 4.1.(y+1) might still be in the pipeline upstream and  the
issue will show up later.

We also test linux-linus and linux-next, so far neither of them seems to
exhibit this problem:

Which is interesting in itself I suppose.

Bisection was broken for linux-3.18 until this morning, Ian fixed the
config and it should pick up on this failure and start investigating
once the next flight completes (tonight some time).

OK, I'll wait until tomorrow then to see if it (the bisection) is successful.

BTW, our last test on Xen4.6/linux4.1+ was on July 1st and it passed too.


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