netdev - Re: D945GCLF intel atom board & r8169 ethernet broken in linux-2.6.27-rc5??

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Date:	Wed, 24 Sep 2008 11:37:31 -0700
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	John Gumb <john.gumb@...dberg.com>
CC:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: D945GCLF  intel atom board & r8169 ethernet broken in linux-2.6.27-rc5??

John Gumb wrote:
> Hi
> 
> I have an Intel Atom D945GCLF based system. It has a realtek RTL8101E
> PCI network interface.
> 
> With linux-2.6.27-rc4 - everything seems fine. I think we've been
> working OK since 2.6.26ish.
> 
> With linux-2.6.27-rc5, "ifconfig eth0" just hangs. lspci -vvx reports,
> after loading the driver,
> 
>> 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E
> PCI Express Fast Ethernet controller (rev ff) (prog-if ff)
>>       !!! Unknown header type 7f
> 00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> 
> 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> 
> 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> 
> 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  
> 
> Before I load the driver lspci -vvx looks OK.
> 
> I do not have (much) time to look into this any further but hopefully
> this might help someone.
> 
> I know there are problems with this device on the atom board
> particularly around warm start but thus far I seem to have avoided this
> issue.
> 
> A cold start in this case does not help.
> 
> Lspci.bad comes from -rc5 with the r8169 driver loaded.
> Lspci.good comes from -rc4 with the r8169 driver loaded


did you check if falling back to the older kernel makes the device work again?
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