I have the same two NIC's and also see a lot of watchdog timeout, in the 
log I have just entries from one of them,
but I have I/O errors on both

Uptime: 1 day, 07:30
In/out errors     3/52
In/out errors     337/0

Arne

kernel: xl1: link state changed to UP
Jan 2 19:50:12 	kernel: xl1: link state changed to DOWN
Jan 2 19:50:12 	kernel: xl1: watchdog timeout
Jan 2 19:12:01 	kernel: xl1: link state changed to UP
Jan 2 19:11:59 	kernel: xl1: link state changed to DOWN
Jan 2 19:11:59 	kernel: xl1: watchdog timeout
Jan 2 19:07:23 	kernel: xl1: link state changed to UP
Jan 2 19:07:21 	kernel: xl1: link state changed to DOWN
Jan 2 19:07:21 	kernel: xl1: watchdog timeout
Jan 2 18:05:58 	kernel: xl1: link state changed to UP
Jan 2 18:05:56 	kernel: xl1: link state changed to DOWN
Jan 2 18:05:56 	kernel: xl1: watchdog timeout
Jan 2 17:49:50 	kernel: xl1: link state changed to UP
Jan 2 17:49:48 	kernel: xl1: link state changed to DOWN



Göran Samuelsson skrev:
> Hi,
>
> just tried to upgrade to 1.3b2 from the 1.23b1 release an cannot get 
> it to work properly.
>
> The problem seams to be with the NIC at the WAN-side. I have a generic 
> PC, an Compaq DPENS with two 3com 3C905B-TX NICS. (see 
> http://m0n0.ch/wall/gallery/43.jpg)
>
> When upgrading to 1.3b2 the communication almost stops, if i type 
> "www.google.com" in a browser at the LAN it takes several minutes to 
> go through. I've also notised that I cannot release the lease of the 
> WAN interface and that I get a "xl1 watchdog timeout" on the console. 
> (xl1 => WAN i/f)
>
> Been trying to change irq's on the NIC but nothing helps, when 
> downgrading to 1.23b1 all works fine again...
>
> best
> Göran Samuelsson
>
>