Re: [PATCH] to deal with bad dev->refcnt in unregister_netdevice()

[kuznet]

Hello!

> Here is a patch which may not solve the underlying

This does not. refcnt cannot be <1 at this point.


> assuming that the latter messages aren't serious?

They are fatal. Machine must be rebooted after them.


> I hope the networking gurus can find the real bugs here.

Well, someone forgets to grab refcnt or makes redundant dev_put.
Try to catch this, f.e. adding BUG() to the places where fatal
messages are generated to get backtraces.

Alexey
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