netdev - Re: [PATCH 5/5] net/igb: Fix kexec with igb (rev. 3)

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Message-Id: <20090402.010016.263453234.davem@davemloft.net>
Date:	Thu, 02 Apr 2009 01:00:16 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, rjw@...k.pl
Subject: Re: [PATCH 5/5] net/igb: Fix kexec with igb (rev. 3)

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 01 Apr 2009 00:23:50 -0700

> Impact: Fix
> 
> Yinghai Lu found one system with 82575EB where, in the kernel that is
> kexeced, probe igb failed with -2, the reason being that the adapter
> could not be brought back from D3 by the kexec kernel, most probably
> due to quirky hardware (it looks like the same behavior happened on
> forcedeth).
> 
> Prevent igb from putting the adapter into D3 during shutdown except
> when we going to power off the system.  For this purpose, seperate
> igb_shutdown() from igb_suspend() and use the appropriate PCI PM
> callbacks in both of them.
> 
> Signed-off-by: "Rafael J. Wysocki" <rjw@...k.pl>
> Reported-by: Yinghai Lu <yinghai@...nel.org>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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