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Date: Thu, 20 Sep 2012 20:28:15 +0300
From: Thanasis <thanasis@asyr.hopto.org>
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Subject: RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
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I have an Acer Aspire One notebook, and it has a NIC as shown below:

# lspci |grep -i Realtek
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)

The driver module that I use is r8169. It works with 2.6 series of
kernels, but it does *not* with the recent 3.x of kernels.

Here is the output of ethtool with the 2.6.38 kernel:

# ethtool eth0
Settings for eth0:
	Supported ports: [ TP MII ]
	Supported link modes:   10baseT/Half 10baseT/Full
	                        100baseT/Half 100baseT/Full
	Supported pause frame use: No
	Supports auto-negotiation: Yes
	Advertised link modes:  10baseT/Half 10baseT/Full
	                        100baseT/Half 100baseT/Full
	Advertised pause frame use: No
	Advertised auto-negotiation: Yes
	Link partner advertised link modes:  10baseT/Half 10baseT/Full
	                                     100baseT/Half 100baseT/Full
	Link partner advertised pause frame use: No
	Link partner advertised auto-negotiation: Yes
	Speed: 100Mb/s
	Duplex: Full
	Port: MII
	PHYAD: 0
	Transceiver: internal
	Auto-negotiation: on
	Supports Wake-on: pumbg
	Wake-on: g
	Current message level: 0x00000033 (51)
			       drv probe ifdown ifup
	Link detected: yes

Question: Should I stick with 2.6 kernels, or are there any directions
on how to make the NIC work with recent 3.x kernels?