[Development] CI broken again?

[Mandeep Sandhu]

On Thu, Feb 6, 2014 at 10:10 PM, Thiago Macieira
<thiago.macieira at intel.com>wrote:

> Em qui 06 fev 2014, às 16:01:05, Mandeep Sandhu escreveu:
> > It can't be related to my change as the same tests pass 100% of the time
> on
> > my local setup (Ubuntu 13.10) and moreover my changes do not kick-in if
> the
> > name server is not specified (which is the case with all the failing test
> > cases).
>
> That doesn't mean anything. The difference might be the type of DNS servers
> available. For example, I wrote a QDnsLookup test that tried to query a
> record
> containing multiple RR types. It passed on my machine. But on the CI farm,
> the
> DNS server is "too nice" and sends more information than the DNS request
> really asked for, causing the test to fail.
>
> It's not a CI farm problem. It's a problem with the test I wrote.
>
> I don't know what your change caused of problems. But if the tst_QDnsLookup
> failure happened four times exactly the same way when that change was
> staged,
> I'm calling that change the culprit. Maybe your code doesn't have a bug and
> this is a problem in the server, maybe it does have a bug you haven't
> thought
> of, but either way your change causes the test to fail in the farm. You
> need
> to modify the test so it doesn't fail.
>
> > The latest test failures seemed to be due to timeout rather than anything
> > else. The 'waitForDone()' function is exiting with a failure due to DNS
> > lookup timeout. The current timeout is set to 10 secs. This is quite
> large,
> > but still, could there be a network issue with the CI setup?
>
> Yes, but it's unlikely to be the case. The only times that tst_QDnsLookup
> has
> failed in the past 6 months are when your change was staged. The
> correlation
> factor is way too high.
>

Ok, I'll dig in more into this problem. IF only I could replicate it
somehow, it'll be that much easier to fix! :/

-mandeep


>
> --
> Thiago Macieira - thiago.macieira (AT) intel.com
>   Software Architect - Intel Open Source Technology Center
>
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