Linux/DECstation DECStation Linux root image


The DECStation linux root image

The DECStation Mipsel Linux root image is available on .
Here is the bootlog of this image:
KN04 V2.1k    (PC: 0xa0026768, SP: 0x8119fde8)
>>boot 3/tftp console=ttyS2 rw single

-tftp boot(3), bootp/
-tftp load 1724096+0+148272
This DECstation is a DS5000/1xx
Loading R4000 MMU routines.
CPU revision is: 00000430
Primary instruction cache 8kb, linesize 16 bytes.
Primary data cache 8kb, linesize 16 bytes.
Secondary cache sized at 1024K linesize 32 bytes.
Linux version 2.4.0-test9 ( (gcc version egcs-2.90.27 980315 (egcs-1.0.2 release)) #2 Thu Oct 26 15:56:18 MEST 2000
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: console=ttyS2 rw single
Calibrating delay loop... 49.68 BogoMIPS
Memory: 30100k/32768k available (1542k kernel code, 2668k reserved, 75k data, 64k init)
Dentry-cache hash table entries: 4096 (order: 3, 32768 bytes)
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 2048 (order: 2, 16384 bytes)
Checking for 'wait' instruction...  unavailable.
POSIX conformance testing by UNIFIX
TURBOchannel rev. 1 at 12.5 MHz (no parity)
Linux NET4.0 for Linux 2.4
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, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 2048 bind 2048)
Initializing RT netlink socket
Starting kswapd v1.8
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: enabling 8 loop devices
DECstation Z8530 serial driver version 0.03
devfs: devfs_register(): device already registered: "ttyS"
devfs: devfs_register(): device already registered: "ttyS"
devfs: devfs_register(): device already registered: "ttyS"
devfs: devfs_register(): device already registered: "cua"
devfs: devfs_register(): device already registered: "cua"
devfs: devfs_register(): device already registered: "cua"
ttyS00 at 0xbc100001 (irq = 4) is a Z85C30 SCC
ttyS01 at 0xbc100009 (irq = 4) is a Z85C30 SCC
ttyS02 at 0xbc180001 (irq = 4) is a Z85C30 SCC
ttyS03 at 0xbc180009 (irq = 4) is a Z85C30 SCC
rtc: Digital DECstation epoch (2000) detected
Real Time Clock Driver v1.10d
declance.c: v0.008 by Linux Mips DECstation task force
eth0: IOASIC onboard LANCE, addr = 08:00:2b:26:47:f0, irq = 3
SCSI subsystem driver Revision: 1.00
SCSI ID 7 Clk 25MHz CCF=5 TOut 167 NCR53C9x(esp236)
ESP: Total of 1 ESP hosts found, 1 actually in use.
scsi0 : ESP236 (NCR53C9x)
esp0: hoping for msgout
  Vendor: DEC       Model: RZ56     (C) DEC  Rev: 0400
  Type:   Direct-Access                      ANSI SCSI revision: 01 CCS
  Vendor: DEC       Model: RZ25     (C) DEC  Rev: 0700
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
Detected scsi disk sdb at scsi0, channel 0, id 1, lun 0
SCSI device sda: 1299174 512-byte hdwr sectors (665 MB)
Partition check:
 /dev/scsi/host0/bus0/target0/lun0: p1 p2 p3 p4
esp0: target 1 [period 200ns offset 15 5.00MHz synchronous SCSI]
SCSI device sdb: 832527 512-byte hdwr sectors (426 MB)
 /dev/scsi/host0/bus0/target1/lun0: p1 p2
Sending BOOTP requests.... OK
IP-Config: Got BOOTP answer from, my address is
devfs: v0.102 (20000622) Richard Gooch (
devfs: boot_options: 0x2
kmem_create: Forcing size word alignment - nfs_fh
Looking up port of RPC 100003/2 on
Looking up port of RPC 100005/2 on
VFS: Mounted root (nfs filesystem).
Freeing unused PROM memory: 124k freed
Freeing unused kernel memory: 64k freed
INIT: version 2.78 booting
                        Welcome to Red Hat Linux
                Press 'I' to enter interactive startup.
Mounting proc filesystem [  OK  ]
Setting clock  (utc): Thu Nov  2 08:35:48 MET 2000 [  OK  ]
Activating swap partitions [  OK  ]
Setting hostname  [  OK  ]
Checking root filesystem
[/sbin/fsck.nfs -- /] fsck.nfs -a /dev/root
[  OK  ]
Remounting root filesystem in read-write mode mount: directory to mount not in host:dir format

This error message is from rc.sysinit, where the root fs is remounted, using the entry in the /etc/fstab file. This can not reflect the correct NFS server, hence the error messages. Can be ignored, or you can comment out the corresponding lines in the rc file.

Finding module dependencies [  OK  ]
Checking filesystems
Checking all file systems.
[  OK  ]
Mounting local filesystems [  OK  ]
Enabling swap space [  OK  ]
bash# exit
INIT: Entering runlevel: 3
Entering non-interactive startup
Enabling IPv4 packet forwarding [  OK  ]
/proc/sys/net/ipv4/ip_always_defrag is missing -- cannot control IP defragmentation
My kernel doesn't support this yet.
Bringing up interface lo [  OK  ]
Initializing random number generator [  OK  ]
Mounting NFS filesystems [  OK  ]
Mounting other filesystems [  OK  ]
Starting system logger: [  OK  ]
Starting kernel logger: [  OK  ]
Starting INET services: [  OK  ]
Starting keytable [  OK  ]

Red Hat Linux release 6.1 (Cartman)
DECStation version

default root password is "secret"
default guest password is "letmein"
Kernel 2.4.0-test9 on a mips login: root
[root@139 /root]# init 0
[root@139 /root]# INIT: Switching to runlevel: 0
INIT: Sending processes the TERM signal
Stopping INET services: [  OK  ]
Saving random seed [  OK  ]
Disabling IPv4 packet forwarding [  OK  ]
Shutting down kernel logger: [  OK  ]
Shutting down system logger: [  OK  ]
Starting killall [  OK  ]
Sending all processes the TERM signal...
Sending all processes the KILL signal..
Unmounting proc file system
mount: directory to mount not in host:dir format
The system is halted
Power down.

KN04 V2.1k    (PC: 0xa0026768, SP: 0x81bfbde8)

© Copyright 1998, 1999, 2000 The DECstation Linux Porting Team.
These pages are maintained by Karel van Houten (
 Last change: 17-12-2000