linux-kernel - Re: RFC: starting a kernel-testers group for newbies

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Message-ID: <18458.37891.268060.691285@cargo.ozlabs.ibm.com>
Date:	Fri, 2 May 2008 14:09:39 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Josh Boyer <jwboyer@...il.com>
Cc:	Adrian Bunk <bunk@...nel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, davem@...emloft.net,
	linux-kernel@...r.kernel.org, jirislaby@...il.com,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: RFC: starting a kernel-testers group for newbies

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.
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