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boot/nfsroot probles

Subject: boot/nfsroot probles
From: Florian Lohoff <>
Date: Sat, 1 Apr 2000 14:10:30 +0200
Organization: rfc822 - pure communication
after i got a binary kernel bootable on the indigo2 i am now a couple
steps further - It seems i have problems with the hardhat userspace

PROMLIB: ARC firmware Version 1 Revision 10
PROMLIB: Total free ram 131911680 bytes (128820K,125MB)
Loading R4000 MMU routines.
CPU revision is: 00000460
Primary instruction cache 16kb, linesize 16 bytes)
Primary data cache 16kb, linesize 16 bytes)
Secondary cache sized at 2048K linesize 128
Linux version 2.3.21 ( (gcc version egcs-2.90.29 
980515 (egcs-1.0.3 release)) #11 Wed Jan 12 16:38:45 EST 2000
MC: SGI memory controller Revision 3
calculating r4koff... 0013145a(1250394)
Console: colour dummy device 80x25
zs0: console input
Console: ttyS0 (Zilog8530)
Calibrating delay loop... 124.93 BogoMIPS
Memory: 122912k/260664k available (1264k kernel code, 4608k data)
Buffer-cache hash table entries: 8192 (order: 3, 32768 bytes)
Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
Checking for 'wait' instruction...  unavailable.
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.3
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
TCP: Hash tables configured (established 8192 bind 16384)
Starting kswapd v1.6
SGI Zilog8530 serial driver version 1.00
tty00 at 0xbfbd9830 (irq = 21) is a Zilog8530
tty01 at 0xbfbd9838 (irq = 21) is a Zilog8530
pty: 256 Unix98 ptys configured
DS1286 Real Time Clock Driver v1.0
streamable misc devices registered (keyb:150, gfx:148)
wd33c93-0: chip=WD33c93B/13 no_sync=0xff no_dma=0 debug_flags=0x00
           Version 1.25 - 09/Jul/1997, Compiled Jan 12 2000 at 16:41:47
wd33c93-1: chip=WD33c93B/13 no_sync=0xff no_dma=0 debug_flags=0x00
           Version 1.25 - 09/Jul/1997, Compiled Jan 12 2000 at 16:41:47
scsi0 : SGI WD93
scsi1 : SGI WD93
scsi : 2 hosts.
 sending SDTR 0103013f0csync_xfer=2c  Vendor: SGI       Model: QUANTUM XP32150
 Rev: S89C
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 1, lun 0
scsi : detected 1 SCSI disk total.
SCSI device sda: hdwr sector= 512 bytes. Sectors= 4404489 [2150 MB] [2.2 GB]
sgiseeq.c: David S. Miller (
eth0: SGI Seeq8003 08:00:69:0a:04:b9
Sending BOOTP requests.... OK
IP-Config: Got BOOTP answer from, my address is
Partition check:
 sda: sda1 sda2 sda3 sda4
Looking up port of RPC 100003/2 on
Looking up port of RPC 100005/1 on
VFS: Mounted root (NFS filesystem) readonly.
Freeing prom memory: 768k freed
Freeing unused kernel memory: 48k freed
Warning: unable to open an initial console.

The last line is strictly optional - I see this if i remove the /dev/console
node (major 5 minor 1 )

Giving different combinations of init=/bin/sh init=/usr/bin/ash 

I see a bit nfs traffic in the tcpdump but this stops after 2-3 seconds
so i am a bit lost where the problem might be ...

I suppose a console/userspace problem ... (And now its raining ...)

Florian Lohoff                  +49-5241-470566
"Technology is a constant battle between manufacturers producing bigger and
more idiot-proof systems and nature producing bigger and better idiots."

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