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Re: [Xen-devel] [xen-unstable test] 4607: regressions - FAIL

To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] [xen-unstable test] 4607: regressions - FAIL
From: Keir Fraser <keir@xxxxxxx>
Date: Tue, 11 Jan 2011 12:30:53 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-devel] [xen-unstable test] 4607: regressions - FAIL
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On 11/01/2011 12:22, "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> wrote:

> Jan Beulich writes ("Re: [Xen-devel] [xen-unstable test] 4607: regressions -
> FAIL"):
>> hardens my suspicion that some of the tests (the leak-check/check
>> ones in particular based on past observation) fail and succeed
>> randomly. Shouldn't either tests that cause regular random false
>> negatives be removed from the set (or at least made non-blocking),
>> or regular random false positives imply that more than one run
>> must succeed before an automatic push?
> You are indeed right.  And the more tests we add the smaller the
> bearable intermittent failure probability is.
> I have changed the push gate logic so that it looks for tests of the
> same revision, in the way that you did by hand, and doesn't block the
> push if it finds that it passed in another run.
> This ought to get us pushes more often.  It would still be nice to get
> rid of some of these race bugs :-).

Where are the races, do you think?

 -- Keir

> Ian.
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