On Sat, 2012-11-10 at 00:45 +0100, Lennart Poettering wrote:
> On Fri, 09.11.12 11:42, Daniel Drake (dsd@xxxxxxxxxx) wrote:
>
> > Hi Bill
> >
> > I see that initscripts in F18 ships this udev rule:
> >
> > ACTION=="add", SUBSYSTEM=="net", PROGRAM="/lib/udev/rename_device",
> > RESULT=="?*", ENV{INTERFACE_NAME}="$result"
> >
> > I'm trying to tackle some problems related to interface renaming, and
> > understanding how this works would be useful.
> >
> > But I can't find which software component *applies* the INTERFACE_NAME
> > variable set by the above rule, actually performing the interface
> > rename. Can you explain?
> >
> > FYI, I would imagine this area will also be susceptible to a current
> > udev bug, https://bugs.freedesktop.org/show_bug.cgi?id=56929
>
> IIRC support INTERFACE_NAME is gone for quite a while since udev stopped
> to provide implicit permenanet naming since it was a trainwreck. People
> should use biosdevname instead.
Which doesn't work for USB devices, in which case you have to write
manual rules to do the rename. And when you do, please make sure you
rename the interface somewhere *not* in the kernel namespace, which
means don't use "ethX", "usbX", "wwanX", "wlanX", etc. Otherwise you'll
race with the kernel when discovering network devices, and the rename
will fail.
Dan
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