Jesse,
based on your error message, I'd say that you don't have a /dev/console
device node in the root tree that you are mounting via NFS.
If you don't have one, you can create it by cd'ing into your
dev directory, and doing this:
mknod console c 5 1
Hope that helps,
Jim McQuillan
jam@Ltsp.org
On Mon, 12 Jul 2004, Jesse wrote:
> I first want to start off this post by asking how I can capture the text
> that is displayed when my diskless client is booting and I get an error
> that freezes the machine which prevents me from doing anything. If I can
> capture the text and send the output to a machine on the network I can
> send all of that so you guys can see exactly what is occuring during
> during boot.
>
> I'm doing a diskless boot off a Gentoo server and have everything
> working upto booting the root filesystem off of NFS. I'm using the
> "rom-o-matic" rtl8139 boot rom which I've loaded onto a floppy that
> binds to my NIC and talks to the TFTP server which pushes down the linux
> kernel that begins the boot process. When it comes time to load the root
> file system via NFS it says something like "ROOT VFS: mounted" (so it
> looks like it's mounted) and then I get the error: "Unable to open the
> initial console"
>
> thanks
> marshall
>
> Here are my config files for dhcpd.conf, and my exports file, and my
> diskless nodes fstab
>
> DHCPD.CONF
>
> # Global Configuration Options
> authoritative;
> ddns-update-style none;
> option domain-name-servers 192.168.7.1;
> option broadcast-address 192.168.7.255;
> option routers 192.168.7.1;
> allow booting;
> allow bootp;
>
> # DHCP configuration file for DHCP ISC 3.0
> # Definition of PXE-specific options
> # Code 1: Multicast IP address of boot file server
> # Code 2: UDP port that client should monitor for MTFTP responses
> # Code 3: UDP port that MTFTP servers are using to listen for MTFTP
> requests
> # Code 4: Number of seconds a client must listen for activity before trying
> # to start a new MTFTP transfer
> # Code 5: Number of seconds a client must listen before trying to restart
> # a MTFTP transfer
> option space PXE;
> option PXE.mtftp-ip code 1 = ip-address;
> option PXE.mtftp-cport code 2 = unsigned integer 16;
> option PXE.mtftp-sport code 3 = unsigned integer 16;
> option PXE.mtftp-tmout code 4 = unsigned integer 8;
> option PXE.mtftp-delay code 5 = unsigned integer 8;
> option PXE.discovery-control code 6 = unsigned integer 8;
> option PXE.discovery-mcast-addr code 7 = ip-address;
>
> subnet 192.168.7.0 netmask 255.255.255.0 {
>
> class "pxeclients" {
> match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
> option vendor-class-identifier "PXEClient";
> vendor-option-space PXE;
>
> # At least one of the vendor-specific PXE options must be set in
> # order for the client boot ROMs to realize that we are a PXE-compliant
> # server. We set the MCAST IP address to 0.0.0.0 to tell the boot ROM
> # that we can't provide multicast TFTP (address 0.0.0.0 means no
> # address).
>
> option PXE.mtftp-ip 0.0.0.0;
>
> # This is the name of the file the boot ROMs should download.
> filename "/tftpboot/pxelinux.0";
> # This is the name of the server they should get it from.
> # Use the master's IP
> next-server 192.168.7.56;
> }
>
>
> host node1 {
> # Use your slave's MAC address
> hardware ethernet 00:50:2C:06:BA:1F;
> # Give your slave a static IP
> fixed-address 192.168.7.57;
> server-name "superterminal";
> # Use your gateway IP, if required
> option routers 192.168.7.3;
> # Use your DNS IP, if required
> option domain-name-servers 192.168.7.1;
> option domain-name "clubpeb.org";
> # Use your slave hostname
> option host-name "node1";
> # Etherboot and pxe boot with a mac specific image
> option root-path "/mosixnodes/192.168.7.57";
> if substring (option vendor-class-identifier, 0, 9) =
> "Etherboot" {
> filename "/tftpboot/menu.nb";
> } else if substring (option vendor-class-identifier, 0,9)
> ="PXEClient" {
> filename "/tftpboot/pxelinux.0";
> }
> }
> }
>
>
> Exports
>
> /mosixnodes/192.168.7.57
> 192.168.7.0/24(sync,rw,no_all_squash,no_root_squash)
> /opt 192.168.7.0/24(sync,ro,no_all_squash,no_root_squash)
> /usr 192.168.7.0/24(sync,ro,no_all_squash,no_root_squash)
> /home 192.168.7.0/24(sync,ro,no_all_squash,no_root_squash)
> /var/log 192.168.7.0/24(sync,rw,no_all_squash,no_root_squash)
>
> Diskless node FSTAB
>
> # /etc/fstab: static file system information.
> # $Header: /home/cvsroot/gentoo-src/rc-scripts/etc/fstab,v 1.14
> 2003/10/13 20:03:38 azarah Exp $
> #
> # noatime turns off atimes for increased performance (atimes normally
> aren't
> # needed; notail increases performance of ReiserFS (at the expense of
> storage
> # efficiency). It's safe to drop the noatime options if you want and to
> # switch between notail and tail freely.
>
> # <fs> <mountpoint> <type>
> <opts> <dump/pass>
> 192.168.7.56:/mosixnodes/192.168.7.57 / nfs
> sync,hard,intr,rw,nolock,rsize=8192,wsize=8192 0 0
> 192.168.7.56:/opt /opt nfs
> sync,hard,intr,rw,nolock,rsize=8192,wsize=8192 0 0
> 192.168.7.56:/usr /usr nfs
> sync,hard,intr,rw,nolock,rsize=8192,wsize=8192 0 0
> 192.168.7.56:/home /home nfs
> sync,hard,intr,rw,nolock,rsize=8192,wsize=8192 0 0
> 192.168.7.56:/var/log /var/log nfs hard,intr,rw 0 0
>
>
> none /dev/pts devpts mode=0620 0 0
>
>
> # NOTE: The next line is critical for boot!
> none /proc proc
> defaults 0 0
>
>
> #OpenMosix File System
> none /mfs mfs dfsa=1 0 0
>
>
>
>
>
>
>
>
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