root@armadillo:/home/atmark# mount /dev/mmcblk0p2 /mnt root@armadillo:/home/atmark# cp armadillo-640-at-dtweb.dtb /mnt/boot/a640.dtb root@armadillo:/home/atmark# umount /mnt root@armadillo:/home/atmark# exit exit atmark@armadillo:~$ reboot -bash: reboot: command not found atmark@armadillo:~$ su Password: root@armadillo:/home/atmark# reboot Stopping Session c2 of user atmark. [ OK ] Stopped target Graphical Interface. Unmounting /opt/license... [ OK ] Stopped target Multi-User System. Stopping OpenBSD Secure Shell server... [ OK ] Stopped target Login Prompts. Stopping Serial Getty on ttymxc0... Stopping Regular background program processing daemon... Stopping User Manager for UID 1000... Stopping LSB: exim Mail Transport Agent... [ OK ] Stopped target Timers. [ OK ] Stopped Daily apt upgrade and clean activities. [ OK ] Stopped Daily apt download activities. [ OK ] Stopped Daily Cleanup of Temporary Directories. Stopping System Logging Service... Stopping Getty on tty1... Stopping D-Bus System Message Bus... [ OK ] Stopped Regular background program processing daemon. [ OK ] Stopped D-Bus System Message Bus. [ OK ] Stopped System Logging Service. [ OK ] Stopped OpenBSD Secure Shell server. [ OK ] Stopped Getty on tty1. [ OK ] Stopped Serial Getty on ttymxc0. [ OK ] Stopped User Manager for UID 1000. [ OK ] Stopped Session c2 of user atmark. [ OK ] Unmounted /opt/license. [ OK ] Removed slice User Slice of atmark. Stopping Login Service... [ OK ] Removed slice system-serial\x2dgetty.slice. [ OK ] Stopped /etc/rc.local Compatibility. [ OK ] Removed slice system-getty.slice. Stopping Permit User Sessions... [ OK ] Stopped Login Service. [ OK ] Stopped Permit User Sessions. [ OK ] Stopped LSB: exim Mail Transport Agent. [ OK ] Stopped target System Time Synchronized. [ OK ] Stopped target Network is Online. [ OK ] Stopped target Network. Stopping Raise network interfaces... Stopping ifup for eth0... [ OK ] Stopped target Remote File Systems. [ OK ] Stopped target Basic System. [ OK ] Stopped target Sockets. [ OK ] Closed Syslog Socket. [ OK ] Stopped target Paths. [ OK ] Stopped target Slices. [ OK ] Removed slice User and Session Slice. [ OK ] Closed D-Bus System Message Bus Socket. [ OK ] Stopped target System Initialization. Stopping Load/Save Random Seed... Stopping Update UTMP about System Boot/Shutdown... Stopping Network Time Synchronization... [ OK ] Stopped target Encrypted Volumes. [ OK ] Stopped Forward Password Requests to Wall Directory Watch. [ OK ] Stopped Dispatch Password Requests to Console Directory Watch. [ OK ] Stopped target Swap. Stopping Load/Save Screen Backlight�.| of backlight:backlight-display... [ OK ] Stopped Network Time Synchronization. [ OK ] Stopped Load/Save Random Seed. [ OK ] Stopped Load/Save Screen Backlight �.|ss of backlight:backlight-display. [ OK ] Stopped Update UTMP about System Boot/Shutdown. [ OK ] Removed slice system-systemd\x2dbacklight.slice. [ OK ] Stopped Create Volatile Files and Directories. [ OK ] Stopped ifup for eth0. [ OK ] Stopped Raise network interfaces. [ OK ] Stopped Apply Kernel Variables. [ OK ] Stopped target Network (Pre). Stopping netfilter persistent configuration... [ OK ] Stopped netfilter persistent configuration. [ OK ] Stopped target Local File Systems. Unmounting /run/user/1000... [ OK ] Stopped Load Kernel Modules. [ OK ] Unmounted /run/user/1000. [ OK ] Reached target Unmount All Filesystems. [ OK ] Stopped target Local File Systems (Pre). [ OK ] Stopped Remount Root and Kernel File Systems. [ OK ] Stopped Create Static Device Nodes in /dev. [ OK ] Reached target Shutdown. [ 2635.207082] watchdog: watchdog0: watchdog did not stop! [ 2635.224145] systemd-shutdow: 33 output lines suppressed due to ratelimiting [ 2635.274917] systemd-shutdown[1]: Sending SIGTERM to remaining processes... [ 2635.293809] systemd-journald[153]: Received SIGTERM from PID 1 (systemd-shutdow). [ 2635.310901] systemd-shutdown[1]: Sending SIGKILL to remaining processes... [ 2635.327365] systemd-shutdown[1]: Hardware watchdog 'imx2+ watchdog', version 0 [ 2635.336762] systemd-shutdown[1]: Unmounting file systems. [ 2635.343977] systemd-shutdown[1]: Remounting '/' read-only with options 'data=ordered'. [ 2635.368685] EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered [ 2635.382512] systemd-shutdown[1]: Remounting '/' read-only with options 'data=ordered'. [ 2635.391535] EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered [ 2635.397867] systemd-shutdown[1]: All filesystems unmounted. [ 2635.403745] systemd-shutdown[1]: Deactivating swaps. [ 2635.409295] systemd-shutdown[1]: All swaps deactivated. [ 2635.414914] systemd-shutdown[1]: Detaching loop devices. [ 2635.453316] ci_hdrc ci_hdrc.1: remove, state 1 [ 2635.458121] usb usb2: USB disconnect, device number 1 [ 2635.463437] usb 2-1: USB disconnect, device number 2 [ 2635.469498] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0 [ 2635.476871] pl2303 2-1:1.0: device disconnected [ 2635.484113] ci_hdrc ci_hdrc.1: USB bus 2 deregistered [ 2635.492840] ci_hdrc ci_hdrc.0: remove, state 4 [ 2635.497600] usb usb1: USB disconnect, device number 1 [ 2635.504011] ci_hdrc ci_hdrc.0: USB bus 1 deregistered [ 2635.509636] imx2-wdt 20bc000.wdog: Device shutdown: Expect reboot! [ 2635.516223] reboot: Restarting system U-Boot 2018.03-at8 (Feb 17 2020 - 19:19:11 +0900) CPU: Freescale i.MX6ULL rev1.1 at 396 MHz Reset cause: POR I2C: ready DRAM: 512 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from MMC... *** Warning - bad CRC, using default environment Failed (-5) In: serial Out: serial Err: serial PMIC: PFUZE3000 DEV_ID=0x30 REV_ID=0x11 Net: FEC Hit any key to stop autoboot: 0 7067392 bytes read in 216 ms (31.2 MiB/s) 26537 bytes read in 54 ms (479.5 KiB/s) ## Booting kernel from Legacy Image at 82000000 ... Image Name: Linux-4.14-at25 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 7067328 Bytes = 6.7 MiB Load Address: 82000000 Entry Point: 82000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 83000000 Booting using the fdt blob at 0x83000000 Loading Kernel Image ... OK Loading Device Tree to 9eefa000, end 9ef037a8 ... OK Starting kernel ...