linux-kernel - Re: Linux 2.6.30-rc1

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Date:	Tue, 7 Apr 2009 22:54:33 -0700
From:	"Michael Chan" <mchan@...adcom.com>
To:	"'Robin Holt'" <holt@....com>,
	"Matthew Carlson" <mcarlson@...adcom.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Benjamin Li" <benli@...adcom.com>
cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>
Subject: Re: Linux 2.6.30-rc1

Robin Holt wrote:

> Booting an ia64 box with a tg3 adapter results in no network.
>  If I look
> at the MAC address of the adapter, it has changed radically from the
> original MAC.  The original MAC continues to be reported by EFI and
> booting an old kernel gets the correct MAC.
>
> Good MAC:     08:00:69:13:E6:3C
> Bad MAC:      00:00:3C:E6:13:69 (recreated from memory)

Looks like endian swapped.  Can you provide the entire tg3 signon
string?  Please also dump the beginning part of the nvram:

ethtool -e eth0 length 0x90

>
> If I set the MAC using ifconfig, then everything works normally.
>

The bad MAC address that has been swapped is also a valid MAC address
and should still work though.

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