第4章 起動と終了

4.1. 起動

Armadilloの電源を投入してください。次のように起動ログがシリアル通信ソフトウェアに表示されます。

Hermit-At v2.0.0 (armadillo4x0) compiled at 23:03:08, Mar 08 2010
Uncompressing  kernel..............................................................................................................done.
Uncompressing ramdisk.......................................................................................................................................................................................................................
.............................................................................................................................................................................................................done.
Linux version 2.6.26-at8 (2.6.26) (atmark@atde3) (gcc version 4.3.2 (Debian 4.3.2-1.1) ) #1 PREEMPT Mon Apr 26 18:11:22 JST 2010
CPU: ARM926EJ-S [41069264] revision 4 (ARMv5TEJ), cr=00053177
Machine: Armadillo-420
Memory policy: ECC disabled, Data cache writeback
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
CPU0: D cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line: console=ttymxc1,115200
MXC IRQ initialized
PID hash table entries: 256 (order: 8, 1024 bytes)
MXC GPT timer initialized, rate = 12000000
Console: colour dummy device 80x30
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 47892KB available (3248K code, 223K data, 128K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 480 bytes
NET: Registered protocol family 16
MXC WDOG1 Enabled
CPU is i.MX25 Revision 1.0
Clock input source is 24000000
MXC GPIO hardware
Using SDMA I.API
MXC DMA API initialized
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
MXC I2C driver
MXC I2C driver
MXC I2C driver
MC34704 regulator successfully probed
mc34704 0-0054: Loaded
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
NET: Registered protocol family 1
checking if image is initramfs...it isn't (bad gzip magic numbers); looks like an initrd
Freeing initrd memory: 13410K
usb: Host 2 host (serial) registered
usb: DR host (utmi) registered
msgmni has been set to 119
io scheduler noop registered
io scheduler cfq registered (default)
Serial: MXC Internal UART driver
mxcintuart.1: ttymxc1 at MMIO 0x43f94000 (irq = 32) is a Freescale MXC
console [ttymxc1] enabled
mxcintuart.2: ttymxc2 at MMIO 0x5000c000 (irq = 18) is a Freescale MXC
mxcintuart.4: ttymxc4 at MMIO 0x5002c000 (irq = 40) is a Freescale MXC
brd: module loaded
loop: module loaded
FEC Ethernet Driver
PPP generic driver version 2.4.2
Linux video capture interface: v2.00
usbcore: registered new interface driver uvcvideo
USB Video Class driver (v0.1.0)
Driver 'sd' needs updating - please use bus_type methods
armadillo-nor: Found 1 x16 devices at 0x0 in 16-bit bank
 Intel/Sharp Extended Query Table at 0x010A
 Intel/Sharp Extended Query Table at 0x010A
 Intel/Sharp Extended Query Table at 0x010A
 Intel/Sharp Extended Query Table at 0x010A
 Intel/Sharp Extended Query Table at 0x010A
Using buffer write method
Using auto-unlock on power-up/resume
cfi_cmdset_0001: Erase suspend on write enabled
armadillo-nor: use default partitions(4)
Creating 4 MTD partitions on "armadillo-nor":
0x00000000-0x00020000 : "nor.bootloader"
0x00020000-0x00220000 : "nor.kernel"
0x00220000-0x00fe0000 : "nor.userland"
0x00fe0000-0x01000000 : "nor.config"
fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller
fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1
fsl-ehci fsl-ehci.0: irq 35, io mem 0x53ff4400
fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
fsl-ehci fsl-ehci.1: Freescale On-Chip EHCI Host Controller
fsl-ehci fsl-ehci.1: new USB bus registered, assigned bus number 2
fsl-ehci fsl-ehci.1: irq 37, io mem 0x53ff4000
fsl-ehci fsl-ehci.1: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
input: gpio-keys as /devices/platform/gpio-keys.0/input/input0
rtc-s353xxa 1-0030: rtc core: registered rtc-s353xxa as rtc0
rtc-s353xxa: S-353XXA Real Time Clock class driver, (C) 2008 Atmark Techno, Inc.
i2c /dev entries driver
mxsdhci: MXC Secure Digital Host Controller Interface driver
mxsdhci: MXC SDHCI Controller Driver. 
mmc0: SDHCI detect irq 159 irq 9 INTERNAL DMA
Registered led device: red
Registered led device: green
Registered led device: yellow
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
Advanced Linux Sound Architecture Driver Version 1.0.16.
usbcore: registered new interface driver snd-usb-audio
usbcore: registered new interface driver snd-usb-caiaq
ASoC version 0.13.2
ALSA device list:
  No soundcards found.
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 17
NET: Registered protocol family 15
Static Power Management for Freescale i.MX25
rtc-s353xxa 1-0030: setting system clock to 2010-04-26 12:16:26 UTC (1272284186)
RAMDISK: ext2 filesystem found at block 0
RAMDISK: Loading 13410KiB [1 disk] into ram disk... done.
VFS: Mounted root (ext2 filesystem).
Freeing init memory: 128K
init started:  BusyBox v1.00 (2010.04.26-09:15+0000) multi-call binary
Starting fsck for root filesystem.
fsck 1.25 (20-Sep-2001)
ext2fs_check_if_mount: No such file or directory while determining whether /dev/ram0 is mounted.
/dev/ram0: clean, 938/1136 files, 12225/13410 blocks
Checking root filesystem: done
Remounting root rw: done
Mounting proc: done
Mounting usbfs: done
Mounting sysfs: done
Cleaning up system: done
Running local start scripts.
Starting udevd: done
Loading /etc/config: done
Changing file permissions: done
Configure /home/ftp: done
Starting syslogd: done
Starting klogd: done
Starting basic firewall: done
Setting hostname: done
Configuring network interfaces: udhcpc (v0.9.9-pre) started
fec: PHY @ 0x0, ID 0x0007c0f1 -- LAN8720
Sending discover...
eth0: link down
eth0: link up, 100Mbps, full-duplex
Sending discover...
Sending select for 172.16.2.130...
Lease of 172.16.2.130 obtained, lease time 86400
done
Starting inetd: done
Setting at-cgi: done
Starting lighttpd: done
Creating avahi.services: done
Starting avahi.daemon: done
Mounting ramfs /home/ftp/pub: done

atmark-dist v1.26.0 (AtmarkTechno/Armadillo-420)
Linux 2.6.26-at8 [armv5tejl arch]

armadillo420-0 login: 

図4.1 起動ログ


4.2. ログイン

起動が完了するとログインプロンプトが表示されます。表4.1「シリアルコンソールログイン時のユーザ名とパスワード」に示すユーザでログインすることができます。

表4.1 シリアルコンソールログイン時のユーザ名とパスワード

ユーザ名パスワード権限
rootrootrootユーザ
guest(なし)一般ユーザ

4.3. 終了方法

安全に終了させる場合は、次のようにコマンドを実行し、「The system is halted.」と表示されたのを確認してから電源を切断します。

[armadillo ~]# halt
[armadillo ~]#
System is going down for system reboot now.

Starting local stop scripts.
Exiting Syslogd!
Syncing all filesystems:                        done
Unmounting all filesystems:                     done
The system is going down NOW !!
Sending SIGTERM to all processes.
The system is halted. Press Reset or turn off power

図4.2 終了方法


リムーバブルディスクを使用していない場合は、電源を切断し終了させることもできます。

[警告]

リムーバブルディスクにデータを書き込んでいる途中に電源を切断した場合、ファイルシステム、及び、データが破損する恐れがあります。リムーバブルディスクをアンマウントしてから電源を切断するようにご注意ください。