netdev - Re: net_rx_action/NAPI oops [PATCH]

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Message-ID: <18253.24223.970902.546253@robur.slu.se>
Date:	Wed, 28 Nov 2007 13:27:11 +0100
From:	Robert Olsson <Robert.Olsson@...a.slu.se>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
Cc:	Robert Olsson <Robert.Olsson@...a.slu.se>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Auke Kok <sofar@...-projects.org>
Subject: Re: net_rx_action/NAPI oops [PATCH]


Stephen Hemminger writes:

 > It is considered a driver bug in 2.6.24 to call netif_rx_complete (clear NAPI_STATE_SCHED)
 > and do a full quota. That bug already had to be fixed in other drivers,
 > look like e1000 has same problem.

 From what I see the problem is not related to ->poll. But it's a variant of the same theme
 here it's napi_disable in  XXXX_down via ifconfig down that clears NAPI_STATE_SCHED while
 driver delivers a full quota.
 
 Cheers
						--ro
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