kernel: unregister_netdevice: waiting for ppp0 to become free. Usage count = 1

[Hannes Mayer]

Fons van der Beek wrote:
> Hello all,
>  I keep having a problem with ppp, I use a ppp dial up connection to connect
> to the internet,
> futhermore i use mldonkey to transfer files on the ed2k network.
> I turns out that when the connection is dropped for various reasons I  guess
> (once a week of once per
> few days). the fllowing messages appears in the messageslog:
> 
> kernel: unregister_netdevice: waiting for ppp0 to become free. Usage count =
> 1
> 
> I am not able to restart my network or to kill the ppp connection (which is
> not functioning anymore)
> untill I kill mldonkey, after the killing of the process. The device
> unregisters and the connection resumes.
> 
> Has anybody expierenced this problem before, any clues how to deal with
> this, I had no problems on
> Redhat 8.0 on 2.4 so this is kernel related???

Goede Dag Fons!

Try upgrading to the latest kernel. I had this particular problem on a
previous kernel, but it almost vanished on kernel 435.
While running on 435 I experienced this scenario only once so far otherwise
it's stable for 11 days now (I upgraded on June, 14th)

Cheers,
Hannes.