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Re: Any MIPS assembly experts in the house?

From: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Any MIPS assembly experts in the house?
Date: 2005-08-26 20:09:21
Message-ID: 430F76F1.9010404@kaltenbrunner.cc (view raw or flat)
Thread:
Lists: pgsql-hackers
Tom Lane wrote:
> I see the latest buildfarm result from a mipsel machine is failing:
> http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=lionfish&dt=2005-08-26%2005:30:07
> 
> and the failure is this:
> 
> TRAP: FailedAssertion("!(lock->shared > 0)", File: "lwlock.c", Line: 456)
> LOG:  server process (PID 10112) was terminated by signal 6
> 
> which makes it seem highly probable that this recently committed patch
> to convert the MIPS out-of-line spinlock code into inline assembler
> isn't right:
> http://archives.postgresql.org/pgsql-committers/2005-08/msg00319.php
> 
> Can anyone spot the problem?  If not I fear we'll have to revert this.

As the owner of said machine I was about to report the problem - but on
a subsequent run of the buildfarm-script(to get access to the compiled
source for further debugging and testing) it completed without an error.



Stefan

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