Re: "new style" netdevice allocation patch for TUN driver (2.4.18 kernel)

[kuznet@xxxxxxxxxxxxx]

Hello!

> network. And "unregister_netdevice: waiting for tun0 to become free"

This smells like a leakage. I think this should be investigated.


> devices, and that only the "old style" devices have this problem.
> I had similar problem with VLAN devices some time ago, so I checked VLAN
> driver sources too.

Well, switching to "new style" does not solve the problem. If we have
a leakage, it will continue silently which is even worse.
Probably, you should to define NET_REFCNT_DEBUG in net/core/dev.c
to track what happens with the device.

Alexey