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Re: Linux for MIPS Atlas 4Kc board

Subject: Re: Linux for MIPS Atlas 4Kc board
From: "Michael Anburaj" <>
Date: Thu, 08 May 2003 22:47:40 -0700
Original-recipient: rfc822;

I have passed a static IP address as parameter.

YAMON> go . nfsroot= \
? ip=

LINUX started...
Config serial console: ttyS0,115200
CPU revision is: 00018001
Primary instruction cache 16kB, physically tagged, 4-way, linesize 16 bytes.
Primary data cache 16kB 4-way, linesize 16 bytes.
Linux version 2.4.21-pre4 (root@localhost.localdomain) (gcc version egcs-2.91.63Determined physical RAM map:
memory: 00001000 @ 00000000 (reserved)
memory: 000ef000 @ 00001000 (ROM data)
memory: 00010000 @ 000f0000 (ROM data)
memory: 001a4000 @ 00100000 (reserved)
memory: 03d5c000 @ 002a4000 (usable)
On node 0 totalpages: 16384
zone(0): 16384 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: nfsroot= ip= r4koff... 00061a83(400003)
CPU frequency 80.00 MHz
Calibrating delay loop... 79.66 BogoMIPS
Memory: 62120k/62832k available (1308k kernel code, 712k reserved, 164k data, 1)Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)
Inode cache hash table entries: 4096 (order: 3, 32768 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes)
Page-cache hash table entries: 16384 (order: 4, 65536 bytes)
Checking for 'wait' instruction...  available.
POSIX conformance testing by UNIFIX
PCI: Probing PCI hardware on host bus 0.
PCI: device 01:06.0 has unknown header type 7f, ignoring.
PCI: device 01:0b.0 has unknown header type 7f, ignoring.
PCI: device 01:0d.0 has unknown header type 7f, ignoring.
PCI: device 01:0f.0 has unknown header type 7f, ignoring.
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI edttyS00 at 0x1f000900 (irq = 0) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
Found SAA9730 (PCI) at 0x10800000, irq 16.
SCSI subsystem driver Revision: 1.00
ncr53c8xx: at PCI bus 0, device 16, function 0
ncr53c8xx: 53c810a detected
ncr53c810a-0: rev 0x12 on pci bus 0 device 16 function 0 irq 17
ncr53c810a-0: ID 7, Fast-10, Parity Checking
scsi0 : ncr53c8xx-3.4.3b-20010512
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 4096 bind 4096)
IP-Config: Complete:
     device=eth0, addr=, mask=, gw=,
    host=, domain=, nis-domain=(none),
    bootserver=, rootserver=, rootpath=
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
Looking up port of RPC 100003/2 on
Looking up port of RPC 100005/1 on
Root-NFS: Server returned error -13 while mounting /export/RedHat7.1
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "" or 02:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 02:00

Let me why NFS server is returning error -13.


From: Jan-Benedict Glaw <>
Subject: Re: Linux for MIPS Atlas 4Kc board
Date: Thu, 8 May 2003 23:40:57 +0200

On Thu, 2003-05-08 10:02:54 -0700, Michael Anburaj <>
wrote in message <>:
> Hi JBG,
> The MIPS box (Atlas running YAMON) has a fixed IP address assigned by me. > TFTP boot works fine. But this IP is held within the boot monitor program
> (YAMON).
> YAMON> set

That doesn't help you. This is yamon, it's not Linux:)

> Apart from the dynamic IP address assignment methods....
> Suggest me a method to communicate this value to the RAM resident Linux
> kernel. Or can I assign a fixed IP addredd by passing it as a parameter

Look at ./linux/net/ipv4/ipconfig.c

> when the linux kernel boots up? If so what is the syntax & please point me


> to the document that has this info. about passed parameter when booting the

The source file is the document, syntax is described there, too.

> kernel.

Please answer under old emails, not above them.


   Jan-Benedict Glaw    . +49-172-7608481
"Eine Freie Meinung in einem Freien Kopf | Gegen Zensur | Gegen Krieg fuer einen Freien Staat voll Freier Bürger" | im Internet! | im Irak!
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