[comp.os.mach] Bootstrapping Mach 2.5 on mVAX-II

tage@staff.cs.uit.no (Tage Stabell-Kuloe) (02/07/91)

Equipment:	
	mVAX-II, 13 Mb, 2*300 Mb RA80 (compatible) disks.
	Mach and 4.3BSD sources on line
	Running Ultrix 3.1

Problem:
	The only tape-drive I have is connected to a VMS system.  The sysadm
	is unable to read inn the second file on my Mach-tape.  The file
	contains the /-dump.  I have the rest.

	How to bootstrap Mach without the dump ?

I have tried :

	0)	Using chpt to give the disk rigth partitions.  Use the
	Ultrix newfs.  Install /ultrixboot together with  the 4.3BSD 
	root-partition.  Copy in the "Mach/4.3 #5.1 rel 2.5b" kernel
	and reboot.  (The 4.3BSD kernel don't have support for mVAX).
	The kernel is loaded by /ultrixboot, but is unable to find
	/etc/init (errno 2), although it is there.  Seems as if it can't 
	read the filesystem crated with Ultrix mkfs.

	1)	Substituting the files in /usr/mdec with those on the 4.3BSD
	tape.  Then use 4.3BSD-mkfs to make the file-system.
	Now - the filsystem can't be mounted.
	fsck (Ultrix or 4.3BSD) finds a couple of dirty files (on the
	newly make filesystem).  After the fsck the filesystem can be mounted
	and 4.3BSD as in 0)
	Now, the hardware wont even load the boot-progam.
		>>> b dua1
			2..
		?06 HLT INST
			PC = 00000EE6
		Failure.
		>>>

	2)	Using the mkfs found on the tape (file 1), with the
	4.3BSD files in /usr/mdec.  This wreck the partition table
	in the superblock.

Now I'm out of ideas.



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