On Wed, Mar 11, 2015 at 10:22:30AM +0100, BERTRAND Joël wrote: > Mar 10 22:14:30 legendre /netbsd: cpu1: data fault: pc=f00092e0 > rpc=103b3d5e0 addr=fffffff52c8a2000 No, indeed that is again a data fault in OF. Wonder if you should try an empty version of prom_printf instead. Martin