On Sun, Mar 23, 2008 at 10:50:20AM +0100, Kurt Roeckx wrote:
> On Sat, Mar 22, 2008 at 11:28:57PM +0100, Marco d'Itri wrote:
> > On Mar 22, Kurt Roeckx <[EMAIL PROTECTED]> wrote:
> >
> > > I assumed that either you or upstream has some expierence with dealing
> > > with such situation. I assume the kernel breaks things once in a while.
> > > I have no idea if there are any workarounds for simular problems.
> > Yes, but the report was confusing. People can't assume that I know about
> > every broken version of every wifi driver around...
> > I do not understand if removing the old rules and reloading the modules
> > fixed the problem or not.
>
> Removing the rules and then letting udev add the new rules does work.
>
> > Also, what changed exactly from the kernel side?
>
> It changed from driver bcm43xx to b43. bcm43xx only showed 1 interface,
> wlan0 or something. b43 also has a wmaster0.
With the bcm43xx driver the interface is actually called eth1 before
udev renames it (to eth3).
> > And where did the eth3 name came from?
>
> Some previous version of udev assigned that name while I was still using
> the bcm43xx driver.
So the rule it added previously was:
# PCI device 0x14e4:0x4320 (bcm43xx)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:0f:66:c6:91:12",
NAME="eth3"
> > > My first idea was that if the b43 driver is loaded and the MAC adddress
> > > matches that the 'ATTRS{type}="1"' gets added automaticly if it's not
> > > present.
> > Automatically modifying exising rules is hard.
> >
> > > Alternativly udev should know that (for the b43 driver) it should only
> > > attemp to rename it if the type is 1.
> > It does:
> >
> > if [ $basename = "ath" -o $basename = "wlan" ]; then
> > match="$match, ATTR{type}==\"1\"" # do not match the wifi*
> > interfaces
> > fi
>
> For some reason that didn't work. Is there a way I can debug this?
That seems to be from the /lib/udev/write_net_rules file, which
generates the rules file? I was more thinking about when you check the
rules file that the devices match ...
Kurt
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