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

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Message-ID: <9F6ACAE02B6DD040A1E259977622CFDB03F5BCCB@oslexcp1.eu.tandberg.int>
Date:	Wed, 24 Sep 2008 13:26:16 +0200
From:	"John Gumb" <john.gumb@...dberg.com>
To:	<linux-kernel@...r.kernel.org>
Cc:	<netdev@...r.kernel.org>
Subject: D945GCLF  intel atom board & r8169 ethernet broken in linux-2.6.27-rc5??

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

Cheers

John

Download attachment "config" of type "application/octet-stream" (43020 bytes)

Download attachment "lspci.bad" of type "application/octet-stream" (18951 bytes)

Download attachment "lspci.good" of type "application/octet-stream" (20638 bytes)