| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Recent failures in IsolationCheck deadlock-hard |
| Date: | 2019-08-06 06:18:26 |
| Message-ID: | 1573.1565072306@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> On Sat, Aug 3, 2019 at 2:11 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Also worth noting is that anole failed its first try at the new
>> deadlock-parallel isolation test:
>> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=anole&dt=2019-08-01%2015%3A48%3A16
> And friarbird (also CLOBBER_CACHE_ALWAYS) fails every time.
Yeah, there have been half a dozen failures since deadlock-parallel
went in, mostly on critters that are slowed by CLOBBER_CACHE_ALWAYS
or valgrind. I've tried repeatedly to reproduce that here, without
success :-(. It's unclear whether the failures represent a real
code bug or just a problem in the test case, so I don't really want
to speculate about fixes till I can reproduce it.
regards, tom lane
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