netdev - Re: 2.6.23-rc4-mm1: e1000e napi lockup

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Message-ID: <46E4E4D3.7040905@intel.com>
Date:	Sun, 09 Sep 2007 23:31:47 -0700
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	Jiri Slaby <jirislaby@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>, netdev@...r.kernel.org,
	e1000-devel@...ts.sourceforge.net,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: 2.6.23-rc4-mm1: e1000e napi lockup

Jiri Slaby wrote:
> Kok, Auke napsal(a):
>> Jiri Slaby wrote:
>>> I still have problems with the driver. When I do `ip link set eth0
>>> up', ksoftirq
>>> runs with 100 % cpu time, so I think you endlessly re-schedule some
>>> timer (or
>>> the new napi layer?)
>> something changed in the logic and e1000e apparently does something
>> wrong. I'll look into it on monday and resubmit a fixup patch (see
>> robert olsson's mail as well discussing this issue)
> 
> he's posted me a patch, but no change on my side :(.

that's what I feared/thought as well when I saw his patch - e1000e and e1000 are 
slightly different so the exit condition will be as well.

> Anyway, I'm going away of the box on monday (today). will be back on fri to
> test patches :).

I'll be on top of it. Since e1000e will be merged I need to get this workign 
properly before the merge window opens - no pressure :)

Auke
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