Hi, When i get fast data mmu miss, it is usually related to device scanning and such on scsi controllers. Check that your nvramrc doesn't have things in it like scsi-probe-all and such.
I've also had this problem once trying to load a kernel and initrd that was too big. HTH -Kevin On Tue, Jun 4, 2019 at 12:28 PM Anatoly Pugachev <[email protected]> wrote: > On Tue, Jun 4, 2019 at 12:42 PM Sonnie Hook <[email protected]> wrote: > > > > I inserted a USB disk on M10-4 and partitioned it with grub bios in > rescue mode. The installer automatically installed GRUB to /dev/sda. I > chroot to /target and executed > > > > # grub-install --force-extra-removable "/dev/sdb" > > > > Installing for sparc64-ieee1275 platform. > > > > Installation finished. No error reported. > > > > > > Then something different happened: > > > > {0} ok boot /pci@8000/pci@4/pci@0/pci@1/pci@0/usb@4,1/disk@0,0:a > > > > Boot device: /pci@8000/pci@4/pci@0/pci@1/pci@0/usb@4,1/disk@0,0:a File > and args: > > > > GRUB Loading kernel. > > > > vitual-device not found. > > > > ERROR: Last Trap: Fast Data Access MMU Miss > > > JFYI > > Last time i've seen this error on 220R (like 10 years ago) , the only > way to boot linux on it was to hard power reset > >

