Date: Thu, 23 Dec 1999 22:04:32 +0100 From: Wilko Bulte <wilko@yedi.iaf.nl> To: FreeBSD-alpha mailing list <freebsd-alpha@freebsd.org> Subject: diskless boot on Alpha Message-ID: <19991223220432.A11438@yedi.iaf.nl>
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I'm probably overlooking something too obvious. As can be seen
below the Alpha (DEC3000/400 Sandpiper) tries to mount its root
device using ufs. Does not work too well with an nfs root.
Previously there was a 'root on <bla> clause in the kernel config file.
But this is depreciated (right?).
Question remains: how do I convince the kernel to use the nfs root?
Wilko
The kernel config file says:
# SANDpiper
machine alpha
cpu EV4
ident SAND
maxusers 32
#makeoptions DEBUG=-g #Build kernel with gdb(1) debug
symbols
# Platforms supported
options DEC_3000_500 # DEC3000/[4-9]00 Flamingo/Sandpiper
fa
mily
options INET #InterNETworking
#
options NFS #Network Filesystem
options NFS_ROOT #NFS usable as root device
options BOOTP # Use BOOTP to obtain IP address/hostname
options BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info
options BOOTP_COMPAT # Workaround for broken bootp daemons.
options BOOTP_WIRED_TO=le0 # Use interface le0 for BOOTP
#
options CD9660 #ISO 9660 Filesystem
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP
THIS!]
options SCSI_DELAY=5000 #Be pessimistic about Joe SCSI device
# SCSI Controllers
# A single entry for any of these controllers (ahb, ahc, amd, ncr, etc...)
is
# sufficient for any number of installed devices.
#controller esp0
# SCSI peripherals
# Only one of each of these is needed, they are dynamically allocated.
#controller scbus0 # SCSI bus (required)
#device da0 # Direct Access (disks)
#device sa0 # Sequential Access (tape etc)
#device cd0 # CD
#device pass0 # Passthrough device (direct SCSI access)
# real time clock
device mcclock0
# Ethernet
device le0 # Lance
# Pseudo devices - the number indicates how many units to allocated.
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
pseudo-device pty # Pseudo-ttys (telnet etc)
===
Try unionizing the nu_nickname and nu_flag fields
Timecounter "alpha" frequency 133000000 Hz
le0 XXX: driver didn't set ifq_maxlen
Mounting root from ufs:192.168.200.22:/usr/sandpiper
Can't allocate root mount for filesystem 'ufs': 19
Root mount failed: 19
Manual root filesystem specification:
<fstype>:<device> Mount <device> using filesystem <fstype>
eg. ufs:/dev/da0s1a
? List valid disk boot devices
<empty line> Abort manual input
>>>
--
Wilko Bulte Arnhem, The Netherlands - The FreeBSD Project
WWW : http://www.tcja.nl http://www.freebsd.org
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