In message <995FF289C9D69747A09E42992644595405B23649 at penguin.adic.com> you
wrote:
>
> Ebony/440GP progress update.
>
> I'm almost there ... I can smell it, I can taste it, I can hear it .... but
> I just can't see or feel it yet.
Then open your eyes, because the problem is right in front of them,
it seems.
> Wolfgang mentioned this in a previous post. As everyone knows, appropriate
> bootargs need to be passed for the kernel to boot with an nfs-mounted root
... which means that you have to define an envionment variable named
"bootargs" in U-Boot.
> => printenv
> baudrate=9600
> ethaddr=00:04:AC:E3:1B:54
> serial#=ADIC-Ebony1-iSCSI
> bootcmd=bootp; setenv bootargs root=/dev/nfs rw
> nfsroot=$(serverip):$(rootpath)
> ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; bootm
> bootdelay=5
> stdin=serial
> stdout=serial
> stderr=serial
> bootfile=/tftpboot/vmlinux.PPCBoot
> filesize=9105f
> gatewayip=172.16.77.1
> netmask=255.255.255.0
> hostname=ebony1-linux-iSCSI
> rootpath=/opt/eldk/ppc_4xx
> ipaddr=172.16.77.152
> serverip=172.16.77.151
>
> Environment size: 465/4092 bytes
But I don't see any bootargs here.
I can see that you will define such a variable if you let the initial
countdown time out and execute the automatic boot command
("bootcmd"). But you don't do this. Instead:
> => bootm
> ## Booting image at 00100000 ...
> Image Name: Linux-2.4.20
> Created: 2003-02-03 18:02:31 UTC
> Image Type: PowerPC Linux Kernel Image (gzip compressed)
> Data Size: 593951 Bytes = 580 kB
> Load Address: 00000000
> Entry Point: 00000000
> Verifying Checksum ... OK
> Uncompressing Kernel Image ... OK
...you manually boot the kernel. So no "bootargs" is set in U-Boot, ...
> Linux version 2.4.20 (root at ppc-dev) (gcc version 2.95.4 20010319
> (prerelease/franzo/20011204)) #1 Mon Feb 3 12:59:58 EST 2003
> IBM Ebony port (C) 2002 MontaVista Software, Inc. (source at mvista.com)
> On node 0 totalpages: 32768
> zone(0): 4096 pages.
> zone(1): 28672 pages.
> zone(2): 0 pages.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> ****************************
> Kernel command line: ip=on * Why does this not reflect my bootarg??
> ****************************
...and none gets passed to Linux.
Pilot error, it seems.
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
All he had was nothing, but that was something, and now it had been
taken away. - Terry Pratchett, _Sourcery_
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