From: suse-sparc@venns.org Date: Fri, 14 Jun 2002 21:33:55 -0500 Message-Id: <200206142133.55207.suse-sparc@venns.org> Subject: [suse-sparc] openboot prom command for network boot
I have just recently gotten a collection of suns to boot of the network. I
had to use kernel 2.4.19-pre10 to avoid the init problem. To make the
network kernel bootable I had to make the tftpboot.img in the
arch/sparc64/boot directory. This file requires there to be a
/usr/src/root.img file. Currently I just use an empty file there for it to
piggyback. Does anyone know what is supposed to be in this file? I looked
all over for some info on it. The servers mount their root filesystem from
an nfs server so I assume there does not have to be a filesystem in root.img.
Here's the details:
I use rarpd on a linux box to pass the hexed ip address (and therefore the
tftpboot kernel image) with a tftp server. The only way to get it to
completely boot was to use this as the openboot prom command:
boot net root=/dev/nfs nfsroot=10.0.0.200:/home/db0
ip=10.0.0.150:10.0.0.200:10.0.0.1:255.255.255.0:db0:eth0:none
I was hoping something in the root.img file would allow me to just use "boot
net", but if I use that now, it doesn't find its root= information or its
filesystem.
Any ideas?
Thanks in advance.
-Isaac
BTW, I never would have gotten this far if it wasn't for the information I
found on this list. Thanks.
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