It turns out that I had set the MAC address in the WinXp driver software
(different to the HW address) for the RTL8169 (I dual boot), which was
then carried over to Ubuntu after a reboot - I guess Gutsy saw a new
MAC address and assigned it to eth2. Or something... Why it alternated,
I'm not sure. Possibly an Ubuntu-Ubuntu reboot would reset the MAC
address to the HW MAC address, which would go back to eth0, and a WinXP
- Ubuntu reboot would leave the software MAC address in place and result
in eth2. Alternatively, powering down fully between OSes might reset
the HW address.
/etc/udev/rules.d/70-persistent-net.rules
# PCI device 0x10ec:0x8169 (r8169)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="xx:xx:xx:xx:xx:0b",
NAME="eth0" ##<= MAC set in WinXP driver software
# PCI device 0x14e4:0x4318 (bcm43xx)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="xx:xx:xx:xx:xx:5f",
NAME="eth1" ##<= WiFi
# PCI device 0x10ec:0x8169 (r8169)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="xx:xx:xx:xx:xx:0a",
NAME="eth2"##<= hardware MAC address
--
Ethernet device's number increases by one after every reboot
https://bugs.launchpad.net/bugs/153727
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
