>Okay, this seems to be the interesting part:
>
>   342 Xaccel   CALL  open(0x5a48,0,0x3d5)
>   342 Xaccel   NAMI  "/dev/mem"
>   342 Xaccel   RET   open 5
>   342 Xaccel   CALL  mmap(0,0x60000,0x3,0,0x5,0,0xa0000,0)
>   342 Xaccel   RET   mmap -1 errno 13 Permission denied
>   342 Xaccel   PSIG  SIGBUS caught handler=0x5f20 mask=0x0 code=0x4
>   342 Xaccel   CALL  sigaction(0xa,0xefbfd5b8,0)
>   342 Xaccel   RET   sigaction 0


it appears to be opening /dev/mem O_RDONLY and then trying to 
mmap() it (PROT_READ|PROT_WRITE).   thus the "Permission denied."

you say it works with the old BSD VM?  if so, i suspect a 
strangeness with MAP_FILE that the compat code isn't handling.


chuck