> I suspect it may be related to the RRB allocation. The driver used to be > even slower until I made it use a second RRB by using the BRIDGE virtual > device feature. I can work on this. > Obviously all the funky RRB stuff of the BRIDGE has no public documentation. > However the SN1 / SN2 bits in the kernel tree should be rather close. If you believe that public documentation is important, think again :)) Stanislaw