Re: 'make test' fails in pu

2015-02-17 Thread Junio C Hamano
Jeff King p...@peff.net writes:

 Sometimes a breakage in pu is surprising (e.g., it breaks only on a
 platform that the maintainer does not run make test on) and we would
 want to know about it. But sometimes it is merely that there is a
 work-in-progress. And it probably requires a human to tell the
 difference.

 So no, I do not think automatically mailing on test failures in pu is a
 good idea. Manually peeking at them and sending fixes before the series
 is merged to next _is_ very much encouraged, though. :)

Thanks, that is exactly what people saw.  From time to time, I queue
a topic that does not pass the tests on 'pu', hoping that somebody
sufficiently interested would step in to collaborate with the author
of the topic to move things forward when the breakage looks simple
enough, and sometimes that original author happens to be me.

This case, it turns out that the breakage is not so simple, though.
Inside the rename detection logic, I want to peek the rename source
array to decide which deletion filepair to keep, but rename source
array itself has pointers to the original filepairs the loop wants
to free, so the WIP code was peeking into a freed piece memory X-.

 Unlike pu, next and master should never fail tests (I think that
 Junio will not push them out if the tests have failed on his system). So
 failures there are much more likely to be interesting platform bugs (but
 of course, testing pu is still encouraged, as we may catch problems).

True.  I do not mind automated tests on 'next', and testing 'pu' and
helping the topic to move forward is very much encouraged, but
sending test results on 'pu' blindly is often more noise than it is
worth.

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Re: 'make test' fails in pu

2015-02-17 Thread Michael Blume
For the record, that commit also sporadically breaks test 3910 on my
system (mentioning since it's not on the list)

On Tue, Feb 17, 2015 at 12:55 AM, Jeff King p...@peff.net wrote:
 On Tue, Feb 17, 2015 at 09:39:17AM +0100, Dennis Kaarsemaker wrote:

 Make test has been failing for 'pu' yesterday for and today at
 t4016-diff-quote.sh. Full log:
 http://ci.kaarsemaker.net/git/refs/heads/pu/1df29c71a731c679de9055ae5e407f3a4e18740a/artefact/test/log

 I noticed this a few times before and it tends to get fixed again
 relatively quickly. So I'm wondering:

 - Should I even mention that it's failing, or is that just useless
   noise?
 - If I should report this, I could also make my testing thing send
   mails. Would that be useful?

 If you bisect this, it turns up commit 30cd8f94f, which says:

 WIP: diff-b-m

 [...]

 This update is still broken and breaks a handful of tests:

  4016 4023 4047 4130 6022 6031 6032 9300 9200 9300 9350

 Sometimes a breakage in pu is surprising (e.g., it breaks only on a
 platform that the maintainer does not run make test on) and we would
 want to know about it. But sometimes it is merely that there is a
 work-in-progress. And it probably requires a human to tell the
 difference.

 So no, I do not think automatically mailing on test failures in pu is a
 good idea. Manually peeking at them and sending fixes before the series
 is merged to next _is_ very much encouraged, though. :)

 Unlike pu, next and master should never fail tests (I think that
 Junio will not push them out if the tests have failed on his system). So
 failures there are much more likely to be interesting platform bugs (but
 of course, testing pu is still encouraged, as we may catch problems).

 But even for next, I would say blind automated emails are not nearly
 as useful as a human who has looked at the problem (and especially
 bisected).

 -Peff
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'make test' fails in pu

2015-02-17 Thread Dennis Kaarsemaker
Make test has been failing for 'pu' yesterday for and today at
t4016-diff-quote.sh. Full log:
http://ci.kaarsemaker.net/git/refs/heads/pu/1df29c71a731c679de9055ae5e407f3a4e18740a/artefact/test/log

I noticed this a few times before and it tends to get fixed again
relatively quickly. So I'm wondering:

- Should I even mention that it's failing, or is that just useless
  noise?
- If I should report this, I could also make my testing thing send 
  mails. Would that be useful?

-- 
Dennis Kaarsemaker
http://www.kaarsemaker.net

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Re: 'make test' fails in pu

2015-02-17 Thread Jeff King
On Tue, Feb 17, 2015 at 09:39:17AM +0100, Dennis Kaarsemaker wrote:

 Make test has been failing for 'pu' yesterday for and today at
 t4016-diff-quote.sh. Full log:
 http://ci.kaarsemaker.net/git/refs/heads/pu/1df29c71a731c679de9055ae5e407f3a4e18740a/artefact/test/log
 
 I noticed this a few times before and it tends to get fixed again
 relatively quickly. So I'm wondering:
 
 - Should I even mention that it's failing, or is that just useless
   noise?
 - If I should report this, I could also make my testing thing send 
   mails. Would that be useful?

If you bisect this, it turns up commit 30cd8f94f, which says:

WIP: diff-b-m

[...]

This update is still broken and breaks a handful of tests:

 4016 4023 4047 4130 6022 6031 6032 9300 9200 9300 9350

Sometimes a breakage in pu is surprising (e.g., it breaks only on a
platform that the maintainer does not run make test on) and we would
want to know about it. But sometimes it is merely that there is a
work-in-progress. And it probably requires a human to tell the
difference.

So no, I do not think automatically mailing on test failures in pu is a
good idea. Manually peeking at them and sending fixes before the series
is merged to next _is_ very much encouraged, though. :)

Unlike pu, next and master should never fail tests (I think that
Junio will not push them out if the tests have failed on his system). So
failures there are much more likely to be interesting platform bugs (but
of course, testing pu is still encouraged, as we may catch problems).

But even for next, I would say blind automated emails are not nearly
as useful as a human who has looked at the problem (and especially
bisected).

-Peff
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