More info...
uname -a Linux cheese 2.6.20-8-generic #2 SMP ...
lspci -v excerpt 01:09.0 Ethernet controller: Realtek Semiconductor Cp., Ltd. RTL-8139/8139C/8139C+ (rev 10) Subsystem: Unknown device 1919:1001 Flags: bus master, medium devsel, latency 32, IRQ 18 I/O ports at b800 [size=256] Memory at fe5ff800 (32-bit, non-prefetchable) [size=256] Capabilities: [50] Power Management version 2
Kernel log matches the pattern reported by Daniel.
More info...
uname -a
Linux cheese 2.6.20-8-generic #2 SMP ...
lspci -v excerpt 8139C/8139C+ (rev 10)
Capabilities: [50] Power Management version 2
01:09.0 Ethernet controller: Realtek Semiconductor Cp., Ltd. RTL-8139/
Subsystem: Unknown device 1919:1001
Flags: bus master, medium devsel, latency 32, IRQ 18
I/O ports at b800 [size=256]
Memory at fe5ff800 (32-bit, non-prefetchable) [size=256]
Kernel log matches the pattern reported by Daniel.