Some more testing revealed that the de4x5 driver of the 2.6.0 kernel seems to be working with SMP disabled. Unfortunately this required a new kernel build instead of simply passing the nosmp parameter. Regards Tom -- T h o m a s Z e h e t b a u e r ( TZ251 ) PGP encrypted mail preferred - KeyID 96FFCB89 mail pgp-key-request@hostmaster.org History has shown that the people who make history do not learn from it.