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SubjectRe: 2.6.8-rc4-bk1 problem: unregister_netdevice: waiting for ppp0 to become free. Usage count = 1
Nuno Silva <> wrote:
> The problem is in the QoS code. If I start ppp whithout the

OK, this appears to be due to the changeset titled

[PKT_SCHED]: Refcount qdisc->dev for __qdisc_destroy rcu-callback

It adds a reference to dev.

I don't see any code that cleans up that reference when the dev goes
down. So someone needs to add that similar to the code in net/core/dst.c.

Patrick, could you please have a look at this?

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