Re: Kernel boot: 'Kernel command line' not getting bootargs?????

In message [ref] 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@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@mvista.com)
On node 0 totalpages: 32768
zone(0): 4096 pages.
zone(1): 28672 pages.
zone(2): 0 pages.

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****************************
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@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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