netdev - Re: [e1000][net-2.6 tree] Regression: driver doesn't detect card on my node.

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Date:	Wed, 06 Feb 2008 10:27:22 +0300
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Yinghai Lu <Yinghai.Lu@....COM>
CC:	"Kok, Auke" <auke-jan.h.kok@...el.com>, jesse.brandeburg@...el.com,
	jeffrey.t.kirsher@...el.com, john.ronciak@...el.com,
	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>,
	e1000-devel@...ts.sourceforge.net, Denis Lunev <den@...nvz.org>,
	Justin Piszcz <jpiszcz@...idpixels.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [e1000][net-2.6 tree] Regression: driver doesn't detect card
 on my node.

Yinghai Lu wrote:
> On Tuesday 05 February 2008 09:24:17 am Kok, Auke wrote:
>> [Added Ingo, Thomas, Justin who signed off on the patch/tested it]
>>
>> Pavel Emelyanov wrote:
>>> The commit
>>>
>>> 	093af8d7f0ba3c6be1485973508584ef081e9f93
>>> 	x86_32: trim memory by updating e820
>>>
>>> broke my e1000 card: on loading driver says that
>>>
>>> 	e1000: probe of 0000:04:03.0 failed with error -5
>>>
>>> and the interface doesn't appear.
>>>
>>> With this commit reset everything is OK.
>>>
>>> lspci output:
>>> 04:03.0 Ethernet controller: Intel Corporation 82541GI Gigabit Ethernet Controller (rev 05)
>>> lspci -n output:
>>> 04:03.0 Class 0200: 8086:1076 (rev 05)
>>>
>>> My colleague Denis Lunev has e1000 adapter too, but doesn't
>>> experience such problems.
>>>
>>> What other info from me is required?

Upd: booting with disable_mtrr_trim option helps.

> 
> boot log please. with the patch and reverting the patch.
> 
> Thanks
> 
> YH
> 

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