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Re: Enabling Checksums

Ants Aasma <ants@cybertec.at>

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From: Ants Aasma <ants@cybertec.at>
To: Florian Pflug <fgp@phlo.org>
Cc: Andres Freund <andres@2ndquadrant.com>, Tom Lane <tgl@sss.pgh.pa.us>, Bruce Momjian <bruce@momjian.us>, Jeff Davis <pgsql@j-davis.com>, Heikki Linnakangas <hlinnakangas@vmware.com>, Simon Riggs <simon@2ndquadrant.com>, Greg Smith <greg@2ndquadrant.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2013-04-18T17:24:32Z
Lists: pgsql-hackers 
On Thu, Apr 18, 2013 at 8:15 PM, Florian Pflug <fgp@phlo.org> wrote:
> So either the CRC32-C polynomial isn't irreducible, or there something
> fishy going on. Could there be a bug in your CRC implementation? Maybe
> a mixup between big and little endian, or something like that?

I'm suspecting an implementation bug myself. I already checked the
test harness and that was all sane, compiler hadn't taken any
unforgivable liberties there. I will crosscheck the output with other
implementations to verify that the checksum is implemented correctly.

Regards,
Ants Aasma
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