netdev - sky2 vs netconsole hard hang

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Message-ID: <20090127120129.GA9696@x200.localdomain>
Date:	Tue, 27 Jan 2009 15:01:29 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	shemminger@...ux-foundation.org
Cc:	netdev@...r.kernel.org
Subject: sky2 vs netconsole hard hang

If sky2 interface is netconsoling, then

	ifconfig down; ifconfig up

leads to hard hang after printing

	sky2 eth0: enabling interface

SysRq+b reboots the box, nothing else works (or prints something).

This is with 2.6.28.2 and 2.6.29-rc2-5ee810072175042775e39bdd3eaaa68884c27805.
Most certainly was there since day one.

Haven't investigated further.
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