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Re: [Xen-devel] [xen-4.5-testing test] 56898: regressions - FAIL

>>> On 22.05.15 at 09:19, <ian.campbell@xxxxxxxxxx> wrote:
> On Fri, 2015-05-22 at 08:11 +0100, Jan Beulich wrote:
>> >>> On 21.05.15 at 21:30, <osstest@xxxxxxxxxxxxxxx> wrote:
>> > flight 56898 xen-4.5-testing real [real]
>> > http://logs.test-lab.xenproject.org/osstest/logs/56898/ 
>> > 
>> > Regressions :-(
>> > 
>> > Tests which did not succeed and are blocking,
>> > including tests which could not be run:
>> >  test-amd64-i386-xl-qemut-win7-amd64 16 guest-stop         fail REGR. vs. 
>> > 56728
>> This is recurring (i.e. presumably real), but none of the few changes
>> under test appear to be related in any way. And going through the
>> logs I can't spot anything suspicious either. Does anyone else have
>> a clue?
> For a long time this test was marked "never passed". However I recently
> added osstest support for using the ACPI shutdown method against certain
> guests when configured to do so and configured win7.
> However it is starting to look like the ACPI shutdown method is
> unreliable, since this now seems to be failing intermittently. I haven't
> had a chance to analyse it yet, but it seems like it might also be
> specific to Windows 7.
> In this case, as with the other one I looked at earlier in the week, the
> guest vnc screenshot shows no sign that it is considering shutting down.
>> >  test-amd64-amd64-rumpuserxen-amd64 15 
>> > rumpuserxen-demo-xenstorels/xenstorels.repeat fail REGR. vs. 56728
>> I suppose this (also recurring, and also seemingly unrelated to
>> any of the commits under test)
> Correct, this is a long standing heisenbug. I recently increased the
> number of iterations used in this test to (hopefully) reduce the
> incidences of false passes.
> I would force push any flight which failed only this case.

Together with your explanation on the other failure this then perhaps
is enough reason to actually do a force push here (which iiuc will at
once make both of them allowable failures going forward).


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