Adrian Chadd wrote:
>
> Hi,
>
> I'm using the vlan code in FreeBSD-stable.
>
> I've discovered that on the fxp, if I ifconfig a vlan up without
> ifconfig'ing the parent interface (fxp) up, I'll get a panic.
> I don't have the bt handy at the moment but basically the codepath
> is bringing the vlan interface up, sending the gratuituous(sp)? arp
> request out the vlan interface, which sends it out the parent interface.
> The fxp code doesn't check whether the interface has been initialised
> when it attempts to queue a packet for outbound, and you get a panic.
>
> When I try the same thing on a machine with a tl interface it works
> fine.
>
> Now, I can hear people shouting "fix the fxp driver!", but I'm not
> sure that is the right solution. (However I do believe the fxp
> driver should have a check in there in any case.)
>
> I believe that if a vlan interface is attached to a device and configured
> up the device itself should also be configured up. This way the initial
> gratuituous(sp?) arp request will make it on to the wire.
there's an fxp-Vlan patch floating around somewhere.
>
> Opinions?
>
> Thanks!
>
> Adrian
>
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