René Scharfe wrote:
> Am 28.07.2012 20:46, schrieb Ramsay Jones:
>> Unfortunately, I was unable to reproduce the final failure in t7810-grep.sh.
>> I tried, among other things, to provoke a failure thus:
>>
>> $ for i in $(seq 100); do
>> > if ! ./t7810-grep.sh -i -v; then
>> > break;
>> > fi
>> > done
>> $
>>
>> but, apart from chewing on the cpu for about 50 minutes, it didn't result
>> in a failure. :(
>>
>> However, after looking at test 59, it seems to me to be a stale (redundant)
>> test. So, patch #2 removes that test! :-D [I wish I could reproduce the
>> failure because I don't like not knowing why it failed, but ...]
>
> Removing the test makes sense, since it was needed for --ext-grep only,
> is relatively expensive and a bit fragile (by depending on MAXARGS).
Indeed.
> I'm slightly worried about the non-reproducible failure, though.
Yep, me too.
> Perhaps a timing issue is involved and chances are higher if you leave
> out the option -v?
Yes, one of the "among other things" I tried was to drop the -v, but the
end result was the same. Also, since I have "DEFAULT_TEST_TARGET=prove"
in my config.mak, I tried:
$ for i in $(seq 100); do
> if ! prove --exec sh t7810-grep.sh; then
> break;
> fi
> done
$
But again, it didn't provoke a failure (it did run quite a bit faster ...).
I have now run this test file in excess of 600 times without failure in the
last two evenings (taking about 5-6 hours wallclock time).
[I haven't come remotely close to running the test-suite 600 times on
cygwin in the last 6 years ...]
So, I'm out of ideas (and will stop trying to reproduce the failure).
ATB,
Ramsay Jones
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