(1) linux-2.6.36 の .config 変更
以下のように起動しました。冗長ですが、コンソールログです。
nfsroot指定の起動後、負荷をかけたテストとかはしていないので、問題があるかもしれません。今回参考になったのは、linux-2.6.36/Documentation/filesystems/nfs/nfsroot.txt や 3.4 NFS ルートファイルシステムに関する起動時引数 などです。・make menuconfig の変更箇所 (→部分)
│ [*] Networking support --->
│ --- Networking support
│ Networking options --->
→│ [*] IP: kernel level autoconfiguration
→│ [*] IP: DHCP support (NEW)
→│ [*] IP: BOOTP support (NEW)
→│ [*] IP: RARP support (NEW)
│ [*] Network File Systems --->
│ --- Network File Systems
→│ <*> NFS client support
→│ [*] Root file system on NFS
→│ <*> NFS server support
│ -*- NFS server support for NFS version 3
│ [*] NFS server support for the NFSv3 ACL protocol extension
│ [*] NFS server support for NFS version 4 (EXPERIMENTAL)
・.config の差分
root@squeeze:linux-2.6.36# diff .config_3 .config
4c4
< # Mon Jun 13 10:33:02 2011
---
> # Mon Jun 20 14:24:56 2011
364c364,367
< # CONFIG_IP_PNP is not set
---
> CONFIG_IP_PNP=y
> CONFIG_IP_PNP_DHCP=y
> CONFIG_IP_PNP_BOOTP=y
> CONFIG_IP_PNP_RARP=y
1704c1707
< CONFIG_NFS_FS=m
---
> CONFIG_NFS_FS=y
1708a1712
> CONFIG_ROOT_NFS=y
1711c1715
< CONFIG_NFSD=m
---
> CONFIG_NFSD=y
1716c1720
< CONFIG_LOCKD=m
---
> CONFIG_LOCKD=y
1718,1719c1722,1723
< CONFIG_EXPORTFS=m
< CONFIG_NFS_ACL_SUPPORT=m
---
> CONFIG_EXPORTFS=y
> CONFIG_NFS_ACL_SUPPORT=y
1721,1723c1725,1727
< CONFIG_SUNRPC=m
< CONFIG_SUNRPC_GSS=m
< CONFIG_RPCSEC_GSS_KRB5=m
---
> CONFIG_SUNRPC=y
> CONFIG_SUNRPC_GSS=y
> CONFIG_RPCSEC_GSS_KRB5=y
1941c1945
< CONFIG_CRYPTO_MD5=m
---
> CONFIG_CRYPTO_MD5=y
1963c1967
< CONFIG_CRYPTO_DES=m
---
> CONFIG_CRYPTO_DES=y
root@squeeze:linux-2.6.36# [ERROR:1] (11-06-20 Mon 14:26:20 PM)
このあと、 make uImage; make modules; make modules_install
UIMG=uImage.36_$(date +'%Y%m%d')
mkimage -n "$(date +'%Y%m%d_%H%M')-sda1" -A ppc -O linux -T multi -C gzip ¥
-d vmlinux.bin.gz:ramdisk.image-cfboot.gz:obs600.dtb ${UIMG}
にて、
-rw-r--r-- 1 root root 2617662 Jun 20 19:41 uImage.36_20110620
ができあがりました。これを、
/usr/sbin/flashcfg -f uImage.36_20110620 しました。(2) nfsroot 指定による起動以下のように起動しました。冗長ですが、コンソールログです。
U-Boot 2009.01-ph20100607-01 (Jun 07 2010 - 18:10:57)
CPU: AMCC PowerPC 405EX Rev. D at 400 MHz (PLB=200, OPB=100, EBC=100 MHz)
Security support
Bootstrap Option C - Boot ROM Location EBC (16 bits)
16 kB I-Cache 16 kB D-Cache
Board: OBS600 - Plat'Home OBS600 Board
I2C: ready
DRAM: 1 GB
FLASH: 128 MB
Net: ppc_4xx_eth0, ppc_4xx_eth1
*** SW 4 IS OFF, CPU Clock TO 600MHZ ***
*** WILL RESET CHIP TO TAKE EFFECT ***
U-Boot 2009.01-ph20100607-01 (Jun 07 2010 - 18:10:57)
CPU: AMCC PowerPC 405EX Rev. D at 600 MHz (PLB=200, OPB=100, EBC=100 MHz)
Security support
Bootstrap Option C - Boot ROM Location EBC (16 bits)
16 kB I-Cache 16 kB D-Cache
Board: OBS600 - Plat'Home OBS600 Board
I2C: ready
DRAM: 1 GB
FLASH: 128 MB
Net: ppc_4xx_eth0, ppc_4xx_eth1
*** SW 4 IS OFF, CPU Clock TO 600MHZ ***
Display the current time of RTC by UTC.
Date: 2011-06-21 (Tuesday) Time: 5:54:17
Hit any key to stop autoboot: 0
Run Boot Selection Script
*** SW 1 IS ON ***
*** SW 2 IS OFF, ENTER COMMAND PROMPT ***
=> setenv bootargs console=ttyS0,115200 root=/dev/nfs rw ¥
nfsroot=192.168.1.70:/mnt/share/OBS600/Debian/nfs_squeeze ip=dhcp; bootm 0xf8000000
## Booting kernel from Legacy Image at f8000000 ...
Image Name: 20110620_1941-sda1
Created: 2011-06-20 10:41:40 UTC
Image Type: PowerPC Linux Multi-File Image (gzip compressed)
Data Size: 2617598 Bytes = 2.5 MB
Load Address: 00000000
Entry Point: 00000000
Contents:
Image 0: 2192626 Bytes = 2.1 MB
Image 1: 417113 Bytes = 407.3 kB
Image 2: 7838 Bytes = 7.7 kB
Verifying Checksum ... OK
## Loading init Ramdisk from multi component Legacy Image at f8000000 ...
## Flattened Device Tree from multi component Image at F8000000
Booting using the fdt at 0xf827d2a0
Uncompressing Multi-File Image ... OK
Loading Ramdisk to 0fdfe000, end 0fe63d59 ... OK
Loading Device Tree to 007fb000, end 007ffe9d ... OK
Using OpenBlockS 600 machine description
Linux version 2.6.36_obs600 (root@squeeze) (gcc version 4.4.5 (Debian 4.4.5-8) ) ¥
#5 Mon Jun 20 18:01:14 JST 2011
Found initrd at 0xcfdfe000:0xcfe63d59
Zone PFN ranges:
DMA 0x00000000 -> 0x00020000
Normal empty
HighMem 0x00020000 -> 0x00040000
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
0: 0x00000000 -> 0x00040000
MMU: Allocated 1088 bytes of context maps for 255 contexts
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260096
Kernel command line: console=ttyS0,115200 root=/dev/nfs rw ¥
nfsroot=192.168.1.70:/mnt/share/OBS600/Debian/nfs_squeeze ip=dhcp
PID hash table entries: 2048 (order: 1, 8192 bytes)
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 1034648k/1048576k available (4540k kernel code, 13928k reserved, ¥
180k data, 146k bss, 164k init)
Kernel virtual memory layout:
* 0xfffcf000..0xfffff000 : fixmap
* 0xff800000..0xffc00000 : highmem PTEs
* 0xff600000..0xff800000 : consistent mem
* 0xff5fe000..0xff600000 : early ioremap
* 0xe1000000..0xff5fe000 : vmalloc & ioremap
Hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:512
UIC0 (32 IRQ sources) at DCR 0xc0
UIC1 (32 IRQ sources) at DCR 0xd0
UIC2 (32 IRQ sources) at DCR 0xe0
clocksource: timebase mult[6aaaab] shift[22] registered
Console: colour dummy device 80x25
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
devtmpfs: initialized
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
Switching to clocksource timebase
NET: Registered protocol family 2
IP route cache hash table entries: 16384 (order: 4, 65536 bytes)
TCP established hash table entries: 65536 (order: 7, 524288 bytes)
TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
TCP: Hash tables configured (established 65536 bind 65536)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
Trying to unpack rootfs image as initramfs...
rootfs image is not initramfs (no cpio magic); looks like an initrd
Freeing initrd memory: 407k freed
audit: initializing netlink socket (disabled)
type=2000 audit(0.128:1): initialized
highmem bounce pool size: 64 pages
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
msgmni has been set to 997
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
OBS600 LED driver v0.2
Push switch driver v0.1
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0xef600200 (irq = 26) is a U6_16550A
console [ttyS0] enabled
serial8250.0: ttyS1 at MMIO 0xef600300 (irq = 16) is a U6_16550A
brd: module loaded
f8000000.nor_flash: Found 1 x16 devices at 0x0 in 16-bit bank. ¥
Manufacturer ID 0x000001 Chip ID 0x002801
Amd/Fujitsu Extended Query Table at 0x0040
Amd/Fujitsu Extended Query version 1.3.
number of CFI chips: 1
cmdlinepart partition parsing not available
RedBoot partition parsing not available
Creating 7 MTD partitions on "f8000000.nor_flash":
0x000000000000-0x000003de0000 : "kernel + initrd"
0x000003de0000-0x000003e60000 : "user config area"
0x000003e60000-0x000007e60000 : "user program area"
0x000007e60000-0x000007ee0000 : "flat device tree"
0x000007ee0000-0x000007f60000 : "test program"
0x000007f60000-0x000007fa0000 : "u-boot env"
0x000007fa0000-0x000008000000 : "u-boot"
PPC 4xx OCP EMAC driver, version 3.54
MAL v2 /plb/mcmal, 2 TX channels, 2 RX channels
RGMII /plb/opb/emac-rgmii@ef600b00 initialized with MDIO support
/plb/opb/emac-rgmii@ef600b00: input 0 in RGMII mode
eth0: EMAC-0 /plb/opb/ethernet@ef600900, MAC 00:0a:85:04:19:9e
eth0: found Generic MII PHY (0x02)
/plb/opb/emac-rgmii@ef600b00: input 1 in RGMII mode
eth1: EMAC-1 /plb/opb/ethernet@ef600a00, MAC 00:0a:85:04:99:9e
eth1: found Generic MII PHY (0x03)
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
dwc_otg: version 1.05
Using DMA mode
of:dwc_otg ef6c0000.usbotg: DWC OTG Controller
of:dwc_otg ef6c0000.usbotg: new USB bus registered, assigned bus number 1
of:dwc_otg ef6c0000.usbotg: irq 33, io mem 0x00000000
Init: Port Power? op_state=a_host
Init: Power Port (0)
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: DWC OTG Controller
usb usb1: Manufacturer: Linux 2.6.36_obs600 dwc_otg_hcd
usb usb1: SerialNumber: dwc_otg_hcd
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
mice: PS/2 mouse device common for all mice
i2c /dev entries driver
of:ibm-iic ef600400.i2c: using standard (100 kHz) mode
rtc-ds1307 0-0068: rtc core: registered ds1340 as rtc0
of:ibm-iic ef600500.i2c: using standard (100 kHz) mode
Netfilter messages via NETLINK v0.30.
NET: Registered protocol family 17
Registering the dns_resolver key type
registered taskstats version 1
rtc-ds1307 0-0068: setting system clock to 2011-06-21 05:54:49 UTC (1308635689)
++OTG Interrupt: Debounce Done++
usb 1-1: new high speed USB device using of:dwc_otg and address 2
eth0: link is down
eth1: link is down
usb 1-1: New USB device found, idVendor=0424, idProduct=2514
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected
usb 1-1.1: new high speed USB device using of:dwc_otg and address 3
usb 1-1.1: New USB device found, idVendor=05e3, idProduct=0702
usb 1-1.1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
usb 1-1.1: Product: USB Storage
usb-storage 1-1.1:1.0: Quirks match for vid 05e3 pid 0702: 520
scsi0 : usb-storage 1-1.1:1.0
eth0: link is up, 100 FDX, pause enabled
Sending DHCP requests ., OK
IP-Config: Got DHCP answer from 0.0.0.0, my address is 192.168.1.29
IP-Config: Complete:
device=eth0, addr=192.168.1.29, mask=255.255.255.0, gw=192.168.1.28,
host=192.168.1.29, domain=gjs.or.jp, nis-domain=(none),
bootserver=0.0.0.0, rootserver=192.168.1.70, rootpath=
RAMDISK: gzip image found at block 0
VFS: Mounted root (ext2 filesystem) on device 1:0.
Setting real-root-dev to nfs.
Looking up port of RPC 100003/2 on 192.168.1.70
Looking up port of RPC 100005/1 on 192.168.1.70
VFS: Mounted root (nfs filesystem) on device 0:15.
Trying to move old root to /initrd ... /initrd does not exist. Ignored.
Unmounting old root
Trying to free ramdisk memory ... okay
[prepare_namespace] Executing flashcfg...
[prepare_namespace] Finished executing flashcfg
Freeing unused kernel memory: 164k init
scsi 0:0:0:0: Direct-Access SanDisk SDCFH-004G 0014 PQ: 0 ANSI: 0
sd 0:0:0:0: [sda] 7813120 512-byte logical blocks: (4.00 GB/3.72 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] Assuming drive cache: write through
sda: sda1 sda2
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] Attached SCSI disk
INIT: version 2.88 booting
Using makefile-style concurrent boot in runlevel S.
.udev/ already exists on the static /dev! ... (warning).
Starting the hotplug events dispatcher: udevd.
Synthesizing the initial hotplug events...done.
Waiting for /dev to be fully populated...done.
Activating swap...done.
Cleaning up ifupdown....
Setting up networking....
Loading kernel modules...done.
Activating lvm and md swap...done.
Checking file systems...fsck from util-linux-ng 2.17.2
done.
Mounting local filesystems...done.
Activating swapfile swap...done.
Cleaning up temporary files....
Configuring network interfaces...done.
Starting portmap daemon....
Starting NFS common utilities: statd.
Cleaning up temporary files....
Setting kernel variables ...done.
INIT: Entering runlevel: 2
Using makefile-style concurrent boot in runlevel 2.
Starting portmap daemon...Already running..
Starting NFS common utilities: statd.
Starting enhanced syslogd: rsyslogd.
Starting periodic command scheduler: cron.
Starting internet superserver: inetd.
Starting OpenBSD Secure Shell server: sshdNET: Registered protocol family 10
lo: Disabled Privacy Extensions
Debian GNU/Linux 6.0 squeeze ttyS0
squeeze login: root
Password:
Last login: Tue Jun 21 14:46:10 JST 2011 on ttyS0
Linux squeeze 2.6.36_obs600 #5 Mon Jun 20 18:01:14 JST 2011 ppc
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
root@squeeze:‾#
root@squeeze:‾# df
Filesystem 1K-blocks Used Available Use% Mounted on
192.168.1.70:/ 112877656 90367260 16776540 85% /
tmpfs 517608 0 517608 0% /lib/init/rw
udev 10240 64 10176 1% /dev
tmpfs 517608 4 517604 1% /dev/shm
root@squeeze:‾# mount (NFSルートマウントになっています)
192.168.1.70:/ on / type nfs (rw,vers=4,addr=192.168.1.70,clientaddr=192.168.1.29)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
root@squeeze:‾#
root@squeeze:‾# fdisk -l (CFディスクも見えています)
Disk /dev/sda: 3 GB, 3996647424 bytes
128 heads, 63 sectors/track, 968 cylinders
Units = cylinders of 8064 * 512 = 4128768 bytes
Device Boot Start End Blocks Id System
/dev/sda1 1 892 3596512 83 Linux
/dev/sda2 893 968 302400 82 Linux swap
root@squeeze:‾#
(母艦側は 玄箱 KURO-BOX[100BASE-TX版]です。)
root@squeeze:‾# ssh 192.168.1.70 uname -a|nkf -w
root@192.168.1.70's password:
Linux kuro 2.4.17_mvl21 #24 2004年 10月 19日 火曜日 17:17:03 JST ppc GNU/Linux
root@squeeze:‾#
(bootargsのip=の書式)
ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
ここでは、ip=dhcp としましたが、
ip=192.168.1.29:192.168.1.70:192.168.1.28:255.255.255.0:::off
とかでもよさそうです。
(母艦側の準備)
rsync -ax / 192.168.1.70:/mnt/share/OBS600/Debian/nfs_squeeze
CFディスクを、まるごと母艦側にコピーしました。
一箇所 etc/fstab は "192.168.1.70:/ / nfs defaults 0 0" に変更。--
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