Subject: Re: Bizarre initrd problem on CLLF860T

From: Wolfgang Denk <[email-masked]>
Date: Mon, 17 Apr 2000 15:54:50 +0200

In message <[email-masked]> Dan Malek wrote:
>
> > Sending BOOTP requests..... OK
> > IP-Config: Got BOOTP answer from 10.2.2.90, my address is 10.2.0.21
> > IP-Config: Guessing netmask 255.0.0.0
> > RAMDISK: Compressed image found at block 0
>
> IP-Config with Ramdisk is a pretty weird configuration.  At the
> 'Linux/PPC Load:' enter 'root=/dev/ram ip=off'.

Why do you call this weird? Is it not possible to use BOOTP  to  just
get an IP address assigned?

What method for network configuration do you suggest for a  minimized
embedded  system? Including tools like ifconfig and set-up scripts to
call them?

I've been using similar combinations (RARP + initrd)  for  some  time
without problems; would this fail using BOOTP?

Ummm... let's see:

Using RARP:

	...
	ttyS00 at 0x0380 is a SMC
	ttyS01 at 0x0280 is a SMC
	pty: 256 Unix98 ptys configured
	Found 2x16bit 4Mbyte CFI flash device of type AMD/Fujitsu standard at 40000000
	registered flash device /dev/flash0
	Found 2x16bit 4Mbyte CFI flash device of type AMD/Fujitsu standard at 40400000
	registered flash device /dev/flash1
	RAM disk driver initialized:  16 RAM disks of 4096K size
	eth0: CPM ENET Version 0.2, 00:d0:93:00:02:6c
	PPP: version 2.3.7 (demand dialling)
	TCP compression code copyright 1989 Regents of the University of California
	PPP line discipline registered.
	Sending RARP requests.... OK
	IP-Config: Got RARP answer from 10.0.0.1, my address is 10.0.0.99
	IP-Config: Guessing netmask 255.0.0.0
	RAMDISK: Compressed image found at block 0
	EXT2-fs warning: checktime reached, running e2fsck is recommended
	VFS: Mounted root (ext2 filesystem).
	Freeing unused kernel memory: 32k init
	Stand-alone shell (version 2.1)

Using BOOTP:

	...
	ttyS00 at 0x0380 is a SMC
	ttyS01 at 0x0280 is a SMC
	pty: 256 Unix98 ptys configured
	Found 2x16bit 4Mbyte CFI flash device of type AMD/Fujitsu standard at 40000000
	registered flash device /dev/flash0
	Found 2x16bit 4Mbyte CFI flash device of type AMD/Fujitsu standard at 40400000
	registered flash device /dev/flash1
	RAM disk driver initialized:  16 RAM disks of 4096K size
	eth0: CPM ENET Version 0.2, 00:d0:93:00:02:6c
	PPP: version 2.3.7 (demand dialling)
	TCP compression code copyright 1989 Regents of the University of California
	PPP line discipline registered.
	Sending BOOTP requests.... OK
	IP-Config: Got BOOTP answer from 10.0.0.1, my address is 10.0.0.99
	RAMDISK: Compressed image found at block 0
	EXT2-fs warning: checktime reached, running e2fsck is recommended
	VFS: Mounted root (ext2 filesystem).
	Freeing unused kernel memory: 36k init
	Stand-alone shell (version 2.1)

This works for me, too.

Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: [email-masked]
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