The used hardware is a P133 with 64 MB.

1.11 and 1.2b3 ran fine, but now I get this error at boot:

md0: preloaded image (mfsroot) ...
fatal trap 12: page fault while in kernel mode fault virtual address =
0x0 fault code = supervisor read, page not present instruction pointer =
0x8:0x0
stack pointer	= 0x10:0xc1c21d50
frame pointer	= 0x10:0xc1c21d60
code segment	= base 0x0, limit 0xfffff, type 0x1b
		= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0 current process =
0 (swapper) trap number = 12
panic: page fault
uptime: 1s
cannot dump. no dump device defined.

Is this a known problem? Any suggestions?