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

[Boris Ostrovsky <boris.ostrovsky@oracle.com>]

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]
>>>> http://logs.test-lab.xenproject.org/osstest/logs/59041/
>>>>
>>>> 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. 58581
>>> 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
>>> faulting.
>>
>> 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
> http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-amd64-xl-pvh-intel/linux-3.18.html
>
>>   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:
> http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-amd64-xl-pvh-intel/linux-linus.html
> http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-amd64-xl-pvh-intel/linux-next.html
>
> 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.

-boris