On 03/22/2010 04:55 PM, Michael Buesch wrote:
> 
> I don't see a problem for udev to distinguish the cards. It can do it merely 
> on
> the bus-ID. That's unique. Yeah, it might change if you change the hardware.
> But do we care? I say no, because you cannot actually change the hardware in 
> real life
> for any of these devices. And even if you could reorder the devices on the 
> bus or whatever.
> What would happen? The card would get a new MAC address. That's all. That's 
> acceptable.
> 
> The kernel would (for example) just set the mac address to all-ones. Udev 
> would
> notice this (invalid) mac address and reassign a new persistent one to the 
> device. It then
> stores the address on the harddisk.

What ensures that this persistent name would be unique?

> In fact, if we implement a mechanism in the kernel, we have _exactly_ the 
> same problem.
> However, currently Larry's patches just ignore that problem and assume that 
> there's only
> one card in the system anyway.

As I said in a posting a few minutes ago, that problem is solved.

Larry
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