linux-kernel - Intel on-board NIC negotiates at 10mbps instead of 1gbps (new Intel P55KG motherboard), driver bug?

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Date:	Tue, 13 Oct 2009 07:46:21 -0400
From:	Justin Piszcz <jpiszcz@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-net@...r.kernel.org
Subject: Intel on-board NIC negotiates at 10mbps instead of 1gbps (new Intel 
	P55KG motherboard), driver bug?

Hello,

I recently purchased/installed an Intel DP55KG motherboard and when I
boot from the System Rescue CD (1.3.0) the on-board NIC only
negotiates at 10mbps, when I plug the same cable into two other Intel
x1 PCI-e nics, they negotiate at 1gbps without any issue.  My old
system also negotiated at 1gbps (a DG965WH) board.

I understand support for chip has recently been added to the e1000e
driver, has this been resolved in newer kernels?

I am asking as I am still running memtest etc before putting the box
in production, thanks.

>From the logs:

e1000e: Intel(R) PRO/1000 Network Driver - 1.0.2-k2
e1000e: Copyright (c) 1999-2008 Intel Corporation.
e1000e 0000:00:19.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
e1000e 0000:00:19.0: pci_enable_pcie_error_
reporting failed 0xfffffffb
e1000e 0000:00:19.0: setting latency timer to 64
e1000e 0000:00:19.0: irq 36 for MSI/MSI-X
0000:00:19.0: eth0: (PCI Express:2.5GB/s:Width x1) (mac address)
0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection
0000:00:19.0: eth0: MAC: 9, PHY: 9, PBA No: ffffff-0ff

e1000e 0000:00:19.0: irq 36 for MSI/MSI-X
e1000e 0000:00:19.0: irq 36 for MSI/MSI-X
ADDRCONF(NETDEV_UP): eth0: link is not ready
e1000e: eth0 NIC Link is Up 10 Mbps Full Duplex, Flow Control: RX
0000:00:19.0: eth0: 10/100 speed: disabling TSO
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
eth0: no IPv6 routers present

Please cc as I am not on the lists, thanks.

(resent as plain-text)

Justin.
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