netdev - Re: mv643xx broken on pegasos

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Message-ID: <20090115203214.GB18393@deprecation.cyrius.com>
Date:	Thu, 15 Jan 2009 21:32:14 +0100
From:	Martin Michlmayr <tbm@...ius.com>
To:	pacman@...h.dhis.org
Cc:	netdev@...r.kernel.org, buytenh@...tstofly.org
Subject: Re: mv643xx broken on pegasos

* pacman@...h.dhis.org <pacman@...h.dhis.org> [2009-01-14 20:22]:
> In 2.6.27 it was completely broken.

I just noticed that this bug has also been reported on the Pegasos
forum: http://www.powerdeveloper.org/forums/viewtopic.php?p=11849
The discussion doesn't contain a lot of information, except for this
observation:

"I've been bisecting the problem today and the regression is indeed
with one of Lennert's changes, but I would certainly not have bet on
the innocent looking "mv643xx_eth: use longer DMA bursts" patch (git
commit identifier cd4ccf76bfd2c36d351e68be7e6a597268f98a1a).

With this commit reverted, Gb ethernet is working again with kernel
2.6.27 on Pegasos."

-- 
Martin Michlmayr
http://www.cyrius.com/
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