samba3.raw.notify flapping

[Andrew Bartlett]

On Fri, 2015-03-20 at 10:30 +1300, Andrew Bartlett wrote:
> I've been working on a way to test for flapping tests faster, by running
> 4 autobuilds in parallel on isolated machines in the Catalyst Cloud.
> 
> 3 of the builds passed (not triggering the tombstone_reanimation failure
> I was looking for, even after removing it from flapping), but I did get
> this failure:
> 
> [359(1292)/1735 at 34m27s] samba3.raw.notify(ad_dc)
> TESTING CHANGE NOTIFY WITH RECURSION
> (439) wrong value for notify.nttrans.out.num_changes  0x1 should be 0x3
> UNEXPECTED(error): samba3.raw.notify.recursive(ad_dc)
> REASON: Exception: Exception: Unknown error/failure. Missing
> torture_fail() or torture_assert_*() call?
> 
> FAILED (0 failures, 1 errors and 0 unexpected successes in 0 testsuites)
> 
> A summary with detailed information can be found in:
>   ./bin/ab/summary
> 
> I realise there isn't much detail but can someone look into this?
> 
> Andrew Bartlett

Perhaps this test is sensitive to disk latency (being higher in the
cloud than on bare metal)?  I've also seen this on 12.04 on another
cluster:

[359(1292)/1735 at 36m38s] samba3.raw.notify(ad_dc)
TESTING CHANGE NOTIFY FOR DIFFERENT DEPTHS
took 20.0020 seconds to propogate all events
ERROR: i=0 expected 30 got 25 for '\test_notify\abc'
ERROR: i=12 expected 40 got 30 for '\test_notify\zqy\..'
ERROR: i=13 expected 40 got 30 for '\test_notify'
ERROR: i=14 expected 6 got 2 for '\test_notify'
ERROR: i=16 expected 24 got 18 for '\test_notify\abc'
ERROR: i=19 expected 24 got 18 for '\test_notify\abc'
UNEXPECTED(error): samba3.raw.notify.tree(ad_dc)

Andrew Bartlett

-- 
Andrew Bartlett
http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba