Tom Dyas wrote: > [...] > You would also want to add /dev/openprom to that list as well. Oops, sorry I forgot it :-(
> > I need a device for nfs-root partition. Actually I use /dev/nfs declared > > as > > block device, major 0, minor 1, but I don't know if these attributes are > > really used. Kernel documentation about nfsroot says that it's not a real > > device but just a synonym to tell the kernel to use NFS instead of a real > > device. To be able to boot via network on Sparc, I have to create this > > device > > on the server's mount point (I put it in a root.tgz image that looks like > > root.bin from boot floppies). > > You shouldn't need to have a /dev/nfs. When you do a "root=/dev/nfs" on > the kernel command line, the kernel just checks an array of device names. > There is no attempt to open any userland file at all. See the routine > parse_root_dev() in linux/init/main.c for more information. Ok, but I don't pass root=/dev/nfs to the kernel. I just enter "boot net" at monitor prompt to boot my Sparc over the network. Now I want to know which device the client root partition is mounted from (local disk or nfsroot ?). "block_device /" command can then return /dev/nfs if this device exists. It can further be used to indicate if installation starts from a NFS mounted root partition. Furthermore, I want to see the root partition when I use mount command (without arguments) and would want to manipulate it (mount -o remount...). I'm not sure mount displays a block device if it does not exists? A named block can help in this process, I guess. Regards. -- Eric Delaunay | "La guerre justifie l'existence des militaires. [EMAIL PROTECTED] | En les supprimant." Henri Jeanson (1900-1970) -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .