Can't keep a constant MAC address for eth0

[Joel Goguen]

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I have a HP Pavilion dv2622 with Ubuntu Gutsy, and I can't seem to get
the MAC address for eth0 to stay constant. At this time, I have eth27 in
ifconfig output, with 28 entries in
/etc/udev/rules.d/70-persistent-net.rules all similar to the following:

# PCI device 0x10de:0x054c (forcedeth)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:00:6c:28:81:2f",
NAME="eth0"

The only difference is the MAC address, which always starts with
"00:00:6c" but has the last 3 pairs different for each instance, and the
name, which seems to be incrementing every time I reboot or wake the
laptop. None of the entries have anything close to the real MAC address
though, which is 00:16:D3:F2:08:8D. In /var/log/kern.log, I see these
pairs of entries every time a new MAC (and device) is created:

Jan 18 18:09:50 hermes kernel: [64594.332000] 0000:00:0a.0: Invalid Mac
address detected: 8d:08:f2:d3:16:00
Jan 18 18:09:50 hermes kernel: [64594.332000] Please complain to your
hardware vendor. Switching to a random MAC.

This corresponds to the ethernet controller device in my lspci output:

00:0a.0 Ethernet controller: nVidia Corporation Unknown device 054c (rev a2)

The MAC detected is the reverse of the real MAC address.  How do I
either tell udev to reverse the detected MAC address, or to not try and
create new ethX devices and force eth0 to use the proper MAC?

- --
Joel Goguen
http://jgoguen.ca/
The goal of Computer Science is to build something that
will last at least until we've finished building it.
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