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Date:	Wed, 12 May 2010 23:31:51 -0700 (PDT)
From:	David Miller <>
Subject: Re: [net-next-2.6 PATCH 02/12] e1000e: bad state after running
 ethtool diagnostics with AMT enabled

From: Jeff Kirsher <>
Date: Mon, 10 May 2010 17:59:31 -0700

> From: Bruce Allan <>
> When running ethtool online diagnostics with no open interface, there is a
> short period of time where the driver relinquishes control of the adapter
> during which time AMT (manageability firmware) can put the adapter into an
> unknown state resulting in such things as link test failure, hardware hang,
> reporting an incorrect link speed, etc.  Resetting the adapter during an
> open() resolves this by putting the adapter into a quiescent state.
> Signed-off-by: Bruce Allan <>
> Signed-off-by: Jeff Kirsher <>

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