Re: intermittent failures in Cygwin from select_parallel tests

On 06/23/2017 07:47 AM, Andrew Dunstan wrote:
>
> On 06/23/2017 12:11 AM, Tom Lane wrote:
>> Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> writes:
>>> On 06/22/2017 10:24 AM, Tom Lane wrote:
>>>> That earlier request is still valid. Also, if you can reproduce the
>>>> symptom that lorikeet just showed and get a stack trace from the
>>>> (hypothetical) postmaster core dump, that would be hugely valuable.
>>> See attached log and stacktrace
>> The stacktrace seems to be from the parallel-query-leader backend.
>> Was there another core file?
>>
>> The lack of any indication in the postmaster log that the postmaster saw
>> the parallel worker's crash sure looks the same as lorikeet's failure.
>> But if the postmaster didn't dump core, then we're still at a loss as to
>> why it didn't respond.
>>
>>
>
>
> Rerunning with some different settings to see if I can get separate cores.
>

Numerous attempts to get core dumps following methods suggested in
Google searches have failed. The latest one is just hanging.

cheers

andrew

--
Andrew Dunstan https://www.2ndQuadrant.com
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