Kernel error, after shutdowning ppp device

[Hannes Mayer]

sanya G wrote:
> Hi, all.
> I've installed FC2 and configured ppp connection similar to my old FC1
> configuration. It's works well, but when i try to shutdown ppp0 (ifdown ppp0),
> pppd starts using 100% of cpu and i get the following errors in /var/log/messages:
> kernel: unregister_netdevice: waiting for ppp0 to become free. Usage count = 1
> I can't kill pppd as root with kill -9.
> 
> Maybe it's a kernel-2.6 bug?
> (kernels 2.6.5-1.358, 2.6.6-1.427 and 2.6.7-rc3 from kernel.org)
> 

I had the same problem with kernel 2.6.6.-1.424.
The problem is gone in 427 for me. Haven't tested kernel 435 yet, cause I'm
the only user on this machine...

I'm not sure if it's a pppd bug - possibly a odd combination of a kernel and
pppd bug ?

Cheers,
Hannes.