netdev - Re: [net-next-2.6 PATCH 04/12] e1000e: s/w initiated LSC MSI-X interrupts not generated; no transmit

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Message-Id: <20100512.233201.39192795.davem@davemloft.net>
Date:	Wed, 12 May 2010 23:32:01 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, bruce.w.allan@...el.com
Subject: Re: [net-next-2.6 PATCH 04/12] e1000e: s/w initiated LSC MSI-X
 interrupts not generated; no transmit

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Mon, 10 May 2010 18:00:10 -0700

> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> In MSI-X mode when an IMPI SoL session was active (i.e. the PHY reset was
> blocked), the LSC interrupt generated by s/w to start the watchdog which
> started the transmitter was not getting fired by the hardware because bit
> 24 (the 'other' cause bit) also needed to be set.  Without an active SoL
> session, the PHY was reset which caused the h/w to fire the LSC interrupt.
> 
> Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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