Re: LOG: munmap(0x7fff80000000) failed: Invalid argument

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От Chris Richards
Тема Re: LOG: munmap(0x7fff80000000) failed: Invalid argument
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Msg-id CAOan6TmxwsV6t316=c-CWAwxqVVZwH7q0rg8Hc9h48Mv=X+RSw@mail.gmail.com
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Ответ на Re: LOG: munmap(0x7fff80000000) failed: Invalid argument  (Tom Lane <tgl@sss.pgh.pa.us>)
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What more would you like--I'm happy to oblige? The upgrade steps I listed installed into a new directory, new conf file. I didn't even migrate my (skeletal) 9.3 database. Here's the 9.5 command-line. I've attached the referenced config file.

$ chrisr@ff1:~$ ps ax | grep bin/post
109999 ?        S      0:00 /usr/lib/postgresql/9.5/bin/postgres -D /var/lib/postgresql/9.5/main -c config_file=/etc/postgresql/9.5/main/postgresql.conf

Cheers,
Chris


On Mon, Oct 10, 2016 at 5:21 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Chris Richards <chris@infinite.io> writes:
> Setting up postgresql-9.5 (9.5.4-1.pgdg14.04+2) ...
> Creating new cluster 9.5/main ...
>   config /etc/postgresql/9.5/main
>   data   /var/lib/postgresql/9.5/main
>   locale en_US.UTF-8
> LOG:  munmap(0x7fff80000000) failed: Invalid argument
> [... snip 14 or so repeats ...]
> LOG:  munmap(0x7fff80000000) failed: Invalid argument
>   socket /var/run/postgresql
>   port   5433
> update-alternatives: using
> /usr/share/postgresql/9.5/man/man1/postmaster.1.gz to provide
> /usr/share/man/man1/postmaster.1.gz (postmaster.1.gz) in auto mode
>  * Starting PostgreSQL 9.5 database server
>       [ OK ]
> Processing triggers for libc-bin (2.19-0ubuntu6.6) ...

> I'm able to connect and I dumped a few default relations.

> Is the munmap error of concern? It remains upon rebooting / restarting the
> server.

Seems pretty fishy to me; I don't know what would be causing it.

[ digs in code... ]  One theory is that PGSharedMemoryDetach is getting
called more than once, but I'm not sure how that would happen.  Can you
characterize where this happens more precisely?  What nondefault settings
have you got in postgresql.conf?

                        regards, tom lane

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