From: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgreSQL.org
Subject: Re: curious regression failures (was Re: [PATCHES] PL/TCL Patch to prevent postgres from becoming multithreaded)
Date: Wed, 19 Sep 2007 18:21:39 +0200
Message-ID: <46F14C93.4040908@kaltenbrunner.cc> (raw)
In-Reply-To: <46F1468F.1080903@dunslane.net>
References: <200709141720.l8EHKwX13792@momjian.us>
<87bqc5m90n.fsf@oxford.xeocode.com>
<12919.1189792669@sss.pgh.pa.us>
<46EADA0A.3040504@kaltenbrunner.cc>
<12435.1189821208@sss.pgh.pa.us>
<46EC07E7.9000100@kaltenbrunner.cc>
<28630.1189875785@sss.pgh.pa.us>
<46ED527A.4090108@kaltenbrunner.cc>
<20616.1190214860@sss.pgh.pa.us>
<46F1468F.1080903@dunslane.net>
Andrew Dunstan wrote:
>
>
> Tom Lane wrote:
>> Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
>>
>>> Tom Lane wrote:
>>>
>>>> Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
>>>>
>>>>> ! ERROR: could not read block 2 of relation 1663/16384/2606: read
>>>>> only 0 of 8192 bytes
>>>>>
>>>> Is that repeatable? What sort of filesystem are you testing on?
>>>> (soft-mounted NFS by any chance?)
>>>>
>>
>>
>>> doesn't seem to be repeatable :-(
>>>
>>
>> Hmm ...
>> http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=luna_moth&dt=2007-09-19%2013:10:01
>>
>>
>> Exact same error --- is it at the same place in the tests where you
>> saw it?
>>
>> Now that I think about it, there have been similar transient failures
>> ("read only 0 of 8192 bytes") in the buildfarm before. It would be
>> helpful to collect a list of exactly which build reports contain
>> that string, but AFAIK there's no very easy way to do that; Andrew,
>> any suggestions?
>>
>>
>>
>
> pgbfprod=# select sysname, stage, snapshot from build_status where log ~
> $$read only \d+ of \d+ bytes$$;
> sysname | stage | snapshot
> -----------+--------------+---------------------
> zebra | InstallCheck | 2007-09-11 10:25:03
> wildebeest | InstallCheck | 2007-09-11 22:00:11
> baiji | InstallCheck | 2007-09-12 22:39:24
> luna_moth | InstallCheck | 2007-09-19 13:10:01
hmm all of those seem to fail the foreign key checks in a very similiar
way and that are vastly different platforms (windows,solaris,openbsd and
linux).
Stefan
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To: pgsql-hackers@postgresql.org
Cc: stefan@kaltenbrunner.cc, andrew@dunslane.net, tgl@sss.pgh.pa.us
Subject: Re: curious regression failures (was Re: [PATCHES] PL/TCL Patch to prevent postgres from becoming multithreaded)
In-Reply-To: <46F14C93.4040908@kaltenbrunner.cc>
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