In article <20060407181110.wocuhjtlc80swso4@webmail.tcnet.ch>
fox@tcnet.ch wrote:

> I still see strange errors in dmesg after the transfers, but the qube  
> does not crash (i'm aware that these errors might be network related).
> 
> tlp0: incoming packet spilled, resetting
> tlp0: link state changed to DOWN
> tlp0: receive watchdog timeout
> tlp0: link state changed to UP
> tlp0: receive error: CRC error
 :

Looks like real receive errors.
Maybe you could try other cable or switch, but not sure.

> But there is no usb support, most of the tests with my kernel i did  
> with a usb attache harddrive, this was never running stable.

What USB host adapter did you try?
VIA boards may have problems on non intel based machines.

> Are you able to compile a usb enabled kernel for me?

Sure, here it is:
http://www.ceres.dti.ne.jp/~tsutsui/netbsd/netbsd-cobalt-USB-20060408.gz
(untested)
---
Izumi Tsutsui