Re: curious regression failures (was Re: [PATCHES] PL/TCL Patch to prevent postgres from becoming multithreaded)

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 10:25:03wildebeest | InstallCheck
|2007-09-11 22:00:11baiji      | InstallCheck | 2007-09-12 22:39:24luna_moth  | InstallCheck | 2007-09-19 13:10:01
 
(4 rows)


cheers

andrew