Re: Intermittent crashes on brolga in join.sql test

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От Andrew Dunstan
Тема Re: Intermittent crashes on brolga in join.sql test
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Msg-id 012391ce-54e9-005c-073e-2a44af785935@2ndQuadrant.com
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Ответ на Intermittent crashes on brolga in join.sql test  (Thomas Munro <thomas.munro@enterprisedb.com>)
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On 01/07/2018 03:51 PM, Thomas Munro wrote:
> Hi Andrew,
>
> As mentioned over here, but probably lost in the noise of that thread:
>
> https://www.postgresql.org/message-id/CAEepm%3D2r1svRUfeR1c9Z4UegkPdMw4gxyok4jCWf-h7kdqHHAA%40mail.gmail.com
>
> ... there is an intermittent crash in my new Parallel Hash code that
> occurs only on your 32 bit Windows XP + Cygwin animal "brolga".
> Unfortunately I haven't managed to come up with a theory to explain
> this using only brain power and tea.
>
> Would you mind trying to get a backtrace from that system?  Either
> from a regular make check failure, or perhaps it can be provoked by
> running the attached script?  I don't know anything about Cygwin
> myself but I see that it's possible to get a core file that gdb can
> load with "dumper":
>
> https://stackoverflow.com/questions/320001/using-a-stackdump-from-cygwin-executable
> https://cygwin.com/cygwin-ug-net/dumper.html
>
> Thanks,
>



This machine is now very old, and doesn't have gdb installed. The
chances of my getting a compatible one now are close to zero.

A better bet might be for me to revive my other 32 bit Cygwin instance,
cockatiel.

I'll look into that.

cheers

andrew

-- 
Andrew Dunstan                https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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