From owner-freebsd-net@FreeBSD.ORG  Tue Nov 23 18:17:53 2010
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Date: Tue, 23 Nov 2010 13:17:44 -0500
From: Mike Tancsa <mike@sentex.net>
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To: Sean Bruno <seanbru@yahoo-inc.com>
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Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>,
	Ivan Voras <ivoras@freebsd.org>,
	"freebsd-hardware@freebsd.org" <freebsd-hardware@freebsd.org>
Subject: Re: em driver, 82574L chip, and possibly ASPM
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On 11/23/2010 12:39 PM, Sean Bruno wrote:
> On Tue, 2010-11-23 at 04:47 -0800, Ivan Voras wrote:
>> It looks like I'm unfortunate enough to have to deploy on a machine 
>> which has the 82574L Intel NIC chip on a Supermicro X8SIE-F board, which 
> igb0@pci0:5:0:0:        class=0x020000 card=0x8975152d chip=0x10c98086

Strange, the 82574 attaches as em for me, not igb

em1@pci0:10:0:0:        class=0x020000 card=0x34ec8086 chip=0x10d38086
rev=0x00 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
    class      = network
    subclass   = ethernet
    cap 01[c8] = powerspec 2  supports D0 D3  current D0
    cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message
    cap 10[e0] = PCI-Express 1 endpoint max data 128(256) link x1(x1)
    cap 11[a0] = MSI-X supports 5 messages in map 0x1c
ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected
ecap 0003[140] = Serial 1 001517ffffed68a4

Normally, its msix, but I had disabled that hoping it would fix the problem

em1: <Intel(R) PRO/1000 Network Connection 7.1.7> port 0x2000-0x201f mem
0xb4100000-0xb411ffff,0xb4120000-0xb4123fff irq 16 at dev
ice 0.0 on pci10
em1: Using an MSI interrupt
em1: [FILTER]
em1: Ethernet address: 00:15:17:ed:68:a4


	---Mike