Re: [BUGS] BUG #14897: Segfault on statitics SQL request - Mailing list pgsql-bugs

From Tom Lane
Subject Re: [BUGS] BUG #14897: Segfault on statitics SQL request
Date
Msg-id 17617.1510355215@sss.pgh.pa.us
Whole thread Raw
In response to Re: [BUGS] BUG #14897: Segfault on statitics SQL request  (Dmitry Dolgov <9erthalion6@gmail.com>)
Responses Re: [BUGS] BUG #14897: Segfault on statitics SQL request  (Andres Freund <andres@anarazel.de>)
Re: [BUGS] BUG #14897: Segfault on statitics SQL request  (Michael Paquier <michael.paquier@gmail.com>)
List pgsql-bugs
Dmitry Dolgov <9erthalion6@gmail.com> writes:
> Looks like I can reproduce something close to this issue on my Gentoo
> installation using the provided dataset, but it looks quite weird for me:

Interesting.  I wonder whether __int128 has an alignment requirement that
is more than MAXALIGN.  Intel chips generally don't enforce alignment
requirements, but maybe there's an exception here?

My Fedora box thinks __alignof__(__int128) is 16, which is suspicious,
but it's not crashing.
        regards, tom lane


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