[cairo] Cairo test comparison 1.12.14 vs 1.12.15~git

[Bryce W. Harrington]

On Friday, June 14, 2013 7:12, Uli Schlachter wrote:
>On 13.06.2013 02:22, Bryce W. Harrington wrote:
>> What follows is a comparison of the cairo test suite run against
>> 1.12.14, and against current git (as of June 12th).
>>
>> # Passed:           8983   9202  +219
>> # Failed:           3287   3384   +97
>> # Expected Failed:   231    298   +85
>> # Error:               1      0    -1
>> # Crash:             194    232   +38
>> # Untested:          575    575    +0
>
>> The pthread-same-source test seems to be crashy:
> [...]
>> This one is a bit mysterious.  I attempted re-running the test in isolation a few dozen times but it appears
>> to always FAIL, both in 1.12.14 and 1.12.15.  So I'm wondering if the PASS in 1.12.14 is spurious.
>
> Yeah, this test does hit a bug, but it only manages to hit it randomly. Oh, the
> joy of threads... :-)
>
> I don't have much time currently. If this ever changes, I will try building
> 1.12.14 to reproduce these results and then perhaps do a git bisect to figure
> out what the heck happened. (But I wouldn't mind if someone else would do this
> first, volunteers?)

I might have a go at it next week.  Aside from bisecting any advice on what to look for?

--
Bryce Harrington
Senior Open Source Developer  -  b.harrington at samsung.com
Open Source Group             -  Samsung Research America