Re: howto keep fixed name for the usbnet interface?

[Andrey Borzenkov <arvidjaar@mail.ru>]

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On Thursday 20 July 2006 23:12, lamikr wrote:
> I am using Mandriva's development version (cooker) and I am used to
> connect my ipaq to desktop computer by using usb-cable and then
> boot the iPAQ to Linux in a way that usbnet connection is created.
>
> With the udev 0.94 Mandriva is using, the usb interface name does not
> stay anymore as a usb0, instead it is changing everytime I boot the iPAQ
> to Linux.
> (usb1 in second boot, usb2 in third boot). This probably happens because
> in the kernel's usbnet.c, the MAC address for usbnet is randomly generated
> by not initializing an array. In mandriva, there is following bug entry
> describing the details.
>     http://qa.mandriva.com/show_bug.cgi?id!717
>
> Is this something that could be fixed to upstream udev rules and could
> already know howto handle this there?
>

The same problem exists for irda 
(http://qa.mandriva.com/show_bug.cgi?id#663) and we also have report about 
Atheros driver creating two interfaces (ath0 and wifi0) with identical MACs; 
the effect in current udev is, one interface is left as ath0_renamed while in 
previous versions it simply failed to rename but was left usable :)

It looks like MAC alone is not sufficient to uniquely identify and name 
interface.

- -andrey
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