Re: BUG #14261: Hanged randomly in hash_seq_search

amdecreme@airfrance.fr writes:
> The process can be found stuck in the hash_seq_search().

> Call stack:
> #0  0x000000000075e919 in hash_seq_search ()
> #1  0x00007fd0af74fb2b in pgqs_entry_dealloc ()
>    from /tech/postgres/9.4.1/server/lib/pg_qualstats.so
> #2  0x00007fd0af750a15 in pgqs_ExecutorEnd ()
>    from /tech/postgres/9.4.1/server/lib/pg_qualstats.so
> #3  0x000000000055dade in PortalCleanup ()
> #4  0x000000000077438a in PortalDrop ()
> #5  0x000000000077472a in PreCommit_Portals ()
> #6  0x00000000004b36ec in CommitTransaction ()

I do not know what pg_qualstats.so is, but it's certainly not part of the
PG core distribution.  I suggest asking its author(s) about known bugs
in their code ...

            regards, tom lane