linux-kernel - Re: r8169 MAC addresses broken

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Message-ID: <m31vy3jdgh.fsf@maximus.localdomain>
Date:	Sun, 26 Oct 2008 21:42:06 +0100
From:	Krzysztof Halasa <khc@...waw.pl>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Francois Romieu <romieu@...zoreil.com>,
	Simon Arlott <simon@...e.lp0.eu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	Edward Hsu <edward_hsu@...ltek.com.tw>,
	Ivan Vecera <ivecera@...hat.com>
Subject: Re: r8169 MAC addresses broken

Jiri Slaby <jirislaby@...il.com> writes:

> However I may have a hw failure or some bug overwrote my eeprom, I see this
> in current mmotm:
> r8169 0000:06:00.0: PCI INT A disabled
> r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
> r8169 0000:06:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
> r8169 0000:06:00.0: setting latency timer to 64
> r8169: mac_version = 0x0c
> r8169 0000:06:00.0: irq 43 for MSI/MSI-X
> r8169: MAC address found in EEPROM: 00:00:00:00:00:00

Note there is no msg about missing EEPROM signature. I wonder what
exactly is in the EEPROM. A modified (and again reversed) "[PATCH 1/1]
r8169: revert "read MAC address from EEPROM on init" should be able to
show it.

There seem to be a DOS tool on RTL WWW to change the EEPROM data.
-- 
Krzysztof Halasa
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