From: Andrew Dunstan <andrew@dunslane.net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
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 11:55:59 -0400
Message-ID: <46F1468F.1080903@dunslane.net> (raw)
In-Reply-To: <20616.1190214860@sss.pgh.pa.us>
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>
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
(4 rows)
cheers
andrew
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To: pgsql-hackers@postgresql.org
Cc: andrew@dunslane.net, tgl@sss.pgh.pa.us, stefan@kaltenbrunner.cc
Subject: Re: curious regression failures (was Re: [PATCHES] PL/TCL Patch to prevent postgres from becoming multithreaded)
In-Reply-To: <46F1468F.1080903@dunslane.net>
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