Re: How can I prevent udevd from renaming eth0 to em1

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On Thu, 2012-10-18 at 10:05 -0600, JD wrote:
> On 10/18/2012 09:16 AM, Tim wrote:
> > On Thu, 2012-10-18 at 08:11 -0600, JD wrote:
> >> I assure you the MAC does match the MAC of the Ethernet chipset.
> >> Looking at the quotes:..
> > I meant taking out some other rules which mightn't match, so you *only*
> > trying to match the MAC, not the MAC *and* this *and* that.
> >
> >> All entries have exactly the same quotes around every item right of
> >> the
> > Must have just gone missing in the post.
> >
> Made the change and  rebooted.
> Sorry - it does not deter udev from screwing up!
> 
> $ dmesg | grep em1
> [    6.033303] udevd[218]: renamed network interface eth0 to em1
> 
> $ cat /etc/udev/rules.d/70-persistent-net.rules
> # This file was automatically generated by the /lib/udev/write_net_rules
> # program, run by the persistent-net-generator.rules rules file.
> #
> # You can modify it, as long as you keep each rule on a single
> # line, and change only the value of the NAME= key.
> 
> # PCI device 0x1039:0x0900 (sis900)

> SUBSYSTEM=="net",  ATTR{address}=="edited out", KERNEL=="eth*", NAME="eth0"

I had the same problem you did (didn't work removing biosdevname and
didn't work adding the suggested persistent-net rules) until I went to
that posting another contributor made toward a tutorial.

Following his instructions, I ended up with this:

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:19:b9:13:a8:fc", NAME="eth0"

The earlier (in this thread) suggestion was this:

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:19:b9:13:a8:fc", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

That did NOT work for me either.

The difference drops these three stanzas:

ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*",

That seems to have made it work for me.  At least it's now working for
me.  I may try and add those stanzas back in one by one to see which one
broke it.

Since you dropped the first two but kept the KERNEL=="eth*" stanza,
maybe that's your problem.

Regards,
Mike
-- 
Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw@xxxxxxxxxxxx
   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
   NIC whois: MHW9          | An optimist believes we live in the best of all
 PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!

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