reboot service failed issue

[ilyyxfe]

to who it may concerned

i use imx6sllevk evaluation board

and my yocto version is 4.9.88-2.0.0

i tapped the reboot command，and it start to reboot

but i found two failed during the reboot process though it reboot successfully.

i bold the font during the log as follow

pls give me some advice whether this may cause reboot fail

and what i can do to eliminate this failed ， update the yocto to 4.14.78？

root@imx6sllevk:~# reboot
[ OK ] Stopped target System Time Synchronized.
[ OK ] Stopped target Sound Card.
[ OK ] Stopped target Host and Network Name Lookups.
[  Stopping Serial Getty on ttymxc0...
Stopping Login Service...
[ OK ] Stopped target Containers.
Stopping Kernel Logging Service...
Stopping Network Name Resolution...
[ OK ] Stopped target Timers.
[ OK ] Stopped Daily Cleanup of Temporary Directories.
Stopping D-Bus System Message Bus...
[ OK ] Stopped target Remote File Systems.
Stopping System Logging Service...
[ OK ] Stopped System Logging Service.
[ OK ] Stopped Kernel Logging Service.
[ OK ] Stopped Serial Getty on ttymxc0.
[ OK ] Stopped Login Service.
[ OK ] Stopped D-Bus System Message Bus.
mxsfb 20f8000.lcdif: mxs wait for pan flip timeout
[ OK ] Stopped Getty on tty1.
[ OK ] Stopped Network Name Resolution.
[ OK ] Stopped target Network.
Stopping Network Service...
[ OK ] Removed slice system-getty.slice.
[ OK ] Removed slice system-serial\x2dgetty.slice.
[ OK ] Stopped target Basic System.
[ OK ] Stopped target Sockets.
[ OK ] Closed D-Bus System Message Bus Socket.
[ OK ] Stopped target Slices.
[ OK ] Removed slice User and Session Slice.
[ OK ] Stopped target Paths.
[ OK ] Stopped Forward Password Requests to Wall Directory Watch.
[ OK ] Stopped Dispatch Password Requests to Console Directory Watch.
[ OK ] Stopped target System Initialization.
Stopping Network Time Synchronization...
Stopping Load/Save Random Seed...
Stopping Update UTMP about System Boot/Shutdown...
Stopping Load/Save Screen Backlight…ightness of backlight:backlight...
[ OK ] Stopped Update is Completed.
[ OK ] Stopped Rebuild Dynamic Linker Cache.
[ OK ] Stopped Rebuild Hardware Database.
[ OK ] Stopped Rebuild Journal Catalog.
[ OK ] Closed Syslog Socket.
[ OK ] Stopped Network Time Synchronization.
[ OK ] Stopped Network Service.
[ OK ] Stopped Load/Save Random Seed.
[ OK ] Stopped Load/Save Screen Backlight Brightness of backlight:backlight.
[ OK ] Stopped Update UTMP about System Boot/Shutdown.
[ OK ] Removed slice system-systemd\x2dbacklight.slice.
[ OK ] Stopped Apply Kernel Variables.
[ OK ] Stopped Create Volatile Files and Directories.
[ OK ] Stopped target Local File Systems.
Unmounting /var/volatile...
Unmounting Temporary Directory (/tmp)...
[FAILED] Failed unmounting /var/volatile.
[FAILED] Failed unmounting Temporary Directory (/tmp).
[ OK ] Stopped target Swap.
[ OK ] Reached target Unmount All Filesystems.
[ OK ] Stopped target Local File Systems (Pre).
[ OK ] Stopped Create Static Device Nodes in /dev.
[ OK ] Stopped Create System Users.
[ OK ] Stopped Remount Root and Kernel File Systems.
[ OK ] Reached target Shutdown.
watchdog: watchdog0: watchdog did not stop!
systemd-shutdow: 23 output lines suppressed due to ratelimiting
systemd-shutdown[1]: Sending SIGTERM to remaining processes...
systemd-journald[149]: Received SIGTERM from PID 1 (systemd-shutdow).
systemd-shutdown[1]: Sending SIGKILL to remaining processes...
systemd-shutdown[1]: Hardware watchdog 'imx2+ watchdog', version 0
systemd-shutdown[1]: Unmounting file systems.
systemd-shutdown[1]: Remounting '/var/volatile' read-only with options ''.
systemd-shutdown[1]: Unmounting /var/volatile.
systemd-shutdown[1]: Remounting '/tmp' read-only with options ''.
systemd-shutdown[1]: Unmounting /tmp.
systemd-shutdown[1]: Remounting '/' read-only with options 'data=ordered'.
EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered
systemd-shutdown[1]: Remounting '/' read-only with options 'data=ordered'.
EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered
EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered
imx2-wdt 20bc000.wdog: Device shutdown: Expect reboot!
ci_hdrc ci_hdrc.1: remove, state 4
usb usb1: USB disconnect, device number 1
ci_hdrc ci_hdrc.1: USB bus 1 deregistered
reboot: Restarting system

best  regards

zhang

[igorpadykov]

Hi zhang

may be recommended to upgrade to latest Linux L4.14.98
https://source.codeaurora.org/external/imx/linux-imx/tree/?h=imx_4.14.98_2.0.0_ga

and reproduce issue on i.MX6SLL EVK reference board with Demo Image

Linux Binary Demo Files - i.MX 6SLL EVK

Best regards
igor
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