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From: Auke Kok <auke-jan.h.kok@intel.com>
To: Francois Romieu <romieu@fr.zoreil.com>
Cc: Jeff Garzik <jeff@garzik.org>,
	netdev@vger.kernel.org, "Brandeburg,
	Jesse" <jesse.brandeburg@intel.com>,
	"Kok, Auke" <auke@foo-projects.org>,
	"Ronciak, John" <john.ronciak@intel.com>
Subject: Re: [PATCH 1/3] e1000: fix shared interrupt warning message
Date: Sat, 17 Feb 2007 18:20:33 -0800	[thread overview]
Message-ID: <45D7B7F1.8020504@intel.com> (raw)
In-Reply-To: <20070217231949.GB17396@electric-eye.fr.zoreil.com>

Francois Romieu wrote:
> Auke Kok <auke-jan.h.kok@intel.com> :
> [...]
>> It is suspected that workarounds in the _up() routine of e1000 can cause 
>         ^^^^^^^^^
>> the receive unit to be enabled before we're all done initializing the 
>> adapter data. An interrupt arriving before we're all done setting up 
>> obviously causes problems. To fix, we postpone enabling interrupts 
>> completely until the software intialization is finished.
> 
> Call me dense but is there a chance that the same receive unit that should
> not be enabled now emits interrupts between e1000_up() and request_irq() ?

turning on the receive unit starts the rx logic on the mac, but doesn't make the 
mac generate interrupts as far as I know. The fix was verified and even 
suggested earlier by some people as well.

Cheers,

Auke

  reply	other threads:[~2007-02-18  2:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-16 22:39 [PATCH 0/3] e1000: fix, two minor updates Kok, Auke
2007-02-16 22:39 ` [PATCH 1/3] e1000: fix shared interrupt warning message Kok, Auke
2007-02-17 20:38   ` Jeff Garzik
2007-02-17 20:47     ` Auke Kok
2007-02-17 23:19       ` Francois Romieu
2007-02-18  2:20         ` Auke Kok [this message]
2007-02-16 22:39 ` [PATCH 2/3] e1000: remove obsolete custom pci_save_state code Kok, Auke
2007-02-16 22:39 ` [PATCH 3/3] e1000: allow ethtool to see link status when down Kok, Auke

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