netdev - Re: [PATCH v3 00/10] split out emac cpdma and mdio for reuse

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Date:	Mon, 13 Sep 2010 11:46:00 -0400
From:	Cyril Chemparathy <cyril@...com>
To:	"Chemparathy, Cyril" <cyril@...com>
CC:	Caglar Akyuz <caglarakyuz@...il.com>,
	Michael Williamson <michael.williamson@...ticallink.com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: [PATCH v3 00/10] split out emac cpdma and mdio for reuse

Hi Caglar,

[...]
> Assuming that the DMA got stuck at some point leading up to the transmit
> timeout, any ideas as to why a host error was not thrown?  To help
> debug, I'll post out a set of patches that dump out the MAC (and DMA)
> registers on timeout.  That should give us some visibility into the problem.

I have posted a couple of additional patches for this on [1].  Would you
mind giving these a quick try?  The register dumps should prove useful
in figuring this out.

Regards
Cyril.

[1]
http://arago-project.org/git/people/?p=cyril/linux-tnetv107x.git;a=shortlog;h=refs/heads/emac-cpdma-mdio-fixes
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