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Date: Fri, 2 May 2008 14:09:39 +1000
From: Paul Mackerras <paulus@samba.org>
To: Josh Boyer <jwboyer@gmail.com>
Cc: Adrian Bunk <bunk@kernel.org>, Arjan van de Ven <arjan@infradead.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       "Rafael J. Wysocki" <rjw@sisk.pl>, davem@davemloft.net,
       linux-kernel@vger.kernel.org, jirislaby@gmail.com,
       Steven Rostedt <rostedt@goodmis.org>
Subject: Re: RFC: starting a kernel-testers group for newbies
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Josh Boyer writes:

> On Fri, 2008-05-02 at 12:08 +1000, Paul Mackerras wrote:
> > Adrian Bunk writes:
> > 
> > > "Kernel oops while running kernbench and tbench on powerpc" took more 
> > > than 2 months to get resolved, and we ship 2.6.25 with this regression.
> > 
> > That was a very subtle bug that only showed up on one particular
> > powerpc machine.  I was not able to replicate it on any of the powerpc
> > machines I have here.  Nevertheless, we found it and we have a fix for
> > it.  I think that's an example of the process working. :)
> 
> Was it even a regression in the classical sense of the word?  Seemed
> more of a latent bug that was simply never triggered before.

That's right.  The bug has been there basically forever (i.e. since
before 2.6.12-rc2 ;) and no-one has been able to trigger it reliably
before.

Paul.