eth0 is there, then its not

December 18, 2010 at 01:18:51
Specs: Ubuntu 10.10, I3 2.9ghz 4GBram
I installed the latest ubuntu onto my computer last night. During the installation, it said I was not connected to the Internet. I am connected through the on-board Ethernet port into my router so I thought it was a bit strange for ubuntu not to pick this up. Anyway, I carried on. Once installed, ubuntu did not even see the network card in lspci or ifconfig. I tried to load up the modules but this done nothing. After a few random reboots to see if it comes back, it is working! connected straight to the Internet. But, when I rebooted again, it vanished. I have also used a live disk of backtrack 4r2, this does exactly the same.

Anyone got any clue to what's going on here?

See More: eth0 is there, then its not

December 18, 2010 at 01:22:16
lspci -vv

02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03)
Subsystem: Hewlett-Packard Company Device 2a9c
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 43
Region 0: I/O ports at d800 [size=256]
Region 2: Memory at fbeff000 (64-bit, non-prefetchable) [size=4K]
Region 4: Memory at f8ffc000 (64-bit, prefetchable) [size=16K]
Expansion ROM at fbec0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: r8169
Kernel modules: r8169

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