netdev - Re: sky2 tx watchdog timeout with 1Gb speed

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Message-ID: <20111206075740.6bd4764d@s6510.linuxnetplumber.net>
Date:	Tue, 6 Dec 2011 07:57:40 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Milan Kocian <milon@...cz>
Cc:	netdev@...r.kernel.org
Subject: Re: sky2 tx watchdog timeout with 1Gb speed

On Tue, 6 Dec 2011 10:59:19 +0100
Milan Kocian <milon@...cz> wrote:

> On Mon, Dec 05, 2011 at 08:16:11AM -0800, Stephen Hemminger wrote:
> > On Mon, 5 Dec 2011 13:47:25 +0100
> > Milan Kocian <milon@...cz> wrote:
> > 
> > > On Sat, Nov 26, 2011 at 05:03:31PM -0800, Stephen Hemminger wrote:
> > > > 
> > > > I think the problem might be that the board doesn't really have all the DMA pins
> > > > wired. You might try enabling iommu, or limiting to <4G of memory.
> > > 
> > > hello stephen,
> > > 
> > > you are probably right. I found that with this mb (Gigabyte GA-965GM-S2) was
> > > more problems with linux. So I replaced this old crap with new one :-).
> > > Many thanks for your time.
> > > 
> > > Best regards,
> > 
> > There was a similar glitch with some skge users.
> > 
> > I have a patch to limit driver to 32bit only. If you send the DMI information,
> > it can be made automatic.
> > 
> 
> ok, I can connect old mb again. Is the output of dmidecode enough ?
> 

Yes. The quirk will be based off board_vendor and board_name.
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