> Ok, I think I've identified the incorrect bus_dma(9) settings > with the help of Tatsuo YOKOGAWA's ali(4) (which as least for > the alignment requirement also matches the NetBSD autri(4). A > new patch is at: > http://people.freebsd.org/~marius/t4dwave_M5451_32-bit.diff Thanks, I'll give it a try and report back. Christian