I have 5.1_RC3/i386 running quite happily on a couple of slightly older Dell PowerEdge r610's. I went to install it on a new R610 and the system dies immediately
[...] Intel 686-class, 2660Hz 0x20bc2 Fatal protection fault in supervisor mode Stopped in pid 0.1(system) at netbsd:rdmsr+0x4 backtrace: rdmsr() est_init_once() _run_once() est_init() cpu_identify() cpu_attach() config_attach_loc() mpacpi_config_cpu() acpi_madt_walk() macpi_scan_apics() mainbus_attach() [...] This new machine has a Xeon E5640 Quad core processor, otherwise not to different to the working ones. Any suggestions on whats broke, how to fix? cheers mark