linux-kernel - Re: sk98lin for 2.6.23-rc1

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Date:	Thu, 6 Sep 2007 00:00:47 +0100
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Kyle Rose <krose@...se.org>
Cc:	James Corey <ploversegg@...oo.com>, Rob Sims <lkml-z@...sims.com>,
	Adrian Bunk <bunk@...sta.de>, linux-kernel@...r.kernel.org
Subject: Re: sk98lin for 2.6.23-rc1

On Wed, 05 Sep 2007 17:04:59 -0400
Kyle Rose <krose@...se.org> wrote:

> 
> > However, it really DOES lock up under load. I even 
> > tried 2.6.23-rc4 and the absolute latest version of
> > the
> > driver and it still locks up, as in
> >   
> Yich.  I'm glad I'm still using sk98lin on my unmanned colo box.
> 
> Kyle
> 

Great for you, when I was testing sk98lin crashed my machine on
overnight stress run. My intuition is that there is a bug in sk98lin
on Yukon EC-U chips (those without ram buffer) and a hardware
problem on Yukon XL chips (those with ram buffer) and the sky2
driver doesn't have workaround for getting the ram buffer stuck (yet).

I don't like putting workarounds in for problems I can't reproduce.
After KS, I'll rerun more stress tests on all the chip flavors
and see if the hang is reproducible.
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