I get this all the time on my laptop (2.6.8 - 2.6.10) even
when connected to the router
b44: eth0: BUG! Timeout waiting for bit 00000001 of register 41c to set.
repeats about 5 times then goes away. Connection works fine.
Description is
01:0c.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
Subsystem: Fujitsu Limited.: Unknown device 123b
Flags: bus master, fast devsel, latency 64, IRQ 11
Memory at d0204000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [40] Power Management version 2