One cpu core always 100% - rk3399


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Hi folks,

This is a bit strange.   One core is constantly at 100% on a  firefly-rk3399 board.

It seems to be because of some emmc issues according to this output.

 

Quote

$ ps aux --sort=-pcpu | head
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root       226 91.9  0.0      0     0 ?        R    09:23   5:41 [kworker/u12:1+brcmf_wq/mmc0:0001:1]

 

Quote

uname -a
Linux firefly-rk3399 5.8.17-rockchip64 #20.08.21 SMP PREEMPT Sat Oct 31 08:22:59 CET 2020 aarch64 GNU/Linux

 

journalctl -f

 

Spoiler

journalctl -f
-- Logs begin at Sun 2020-11-22 09:23:31 UTC. --
Nov 22 09:24:55 firefly-rk3399 systemd[1]: Reached target Graphical Interface.
Nov 22 09:24:55 firefly-rk3399 systemd[1]: Starting Update UTMP about System Runlevel Changes...
Nov 22 09:24:55 firefly-rk3399 systemd[1]: systemd-update-utmp-runlevel.service: Succeeded.
Nov 22 09:24:55 firefly-rk3399 systemd[1]: Started Update UTMP about System Runlevel Changes.
Nov 22 09:24:55 firefly-rk3399 systemd[1]: Startup finished in 16.550s (kernel) + 1min 31.073s (userspace) = 1min 47.623s.
Nov 22 09:25:01 firefly-rk3399 CRON[2474]: pam_unix(cron:session): session opened for user root by (uid=0)
Nov 22 09:25:01 firefly-rk3399 CRON[2475]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Nov 22 09:25:01 firefly-rk3399 CRON[2474]: pam_unix(cron:session): session closed for user root
Nov 22 09:26:44 firefly-rk3399 su[2751]: (to root) steini on pts/1
Nov 22 09:26:44 firefly-rk3399 su[2751]: pam_unix(su:session): session opened for user root by (uid=1000)
Nov 22 09:28:04 firefly-rk3399 sudo[2815]:   steini : TTY=pts/2 ; PWD=/home/steini ; USER=root ; COMMAND=/usr/bin/apt install px
Nov 22 09:28:04 firefly-rk3399 sudo[2815]: pam_unix(sudo:session): session opened for user root by (uid=0)
Nov 22 09:28:25 firefly-rk3399 sudo[2815]: pam_unix(sudo:session): session closed for user root
Nov 22 09:30:01 firefly-rk3399 CRON[3075]: pam_unix(cron:session): session opened for user root by (uid=0)
Nov 22 09:30:01 firefly-rk3399 CRON[3076]: (root) CMD (/usr/lib/armbian/armbian-truncate-logs)
Nov 22 09:30:01 firefly-rk3399 CRON[3075]: pam_unix(cron:session): session closed for user root
Nov 22 09:34:50 firefly-rk3399 dbus-daemon[741]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.70' (uid=1000 pid=2518 comm="/usr/lib/firefox-esr/firefox-esr ")
Nov 22 09:34:50 firefly-rk3399 systemd[1]: Starting Hostname Service...
Nov 22 09:34:50 firefly-rk3399 dbus-daemon[741]: [system] Successfully activated service 'org.freedesktop.hostname1'
Nov 22 09:34:50 firefly-rk3399 systemd[1]: Started Hostname Service.
Nov 22 09:34:50 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:50 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:51 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:51 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:51 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:52 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:52 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:52 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:52 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:52 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:34:52 firefly-rk3399 org.gtk.vfs.Daemon[1527]: mkdir failed on directory /var/cache/samba: Permission denied
Nov 22 09:35:01 firefly-rk3399 CRON[3447]: pam_unix(cron:session): session opened for user root by (uid=0)
Nov 22 09:35:01 firefly-rk3399 CRON[3448]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Nov 22 09:35:01 firefly-rk3399 CRON[3447]: pam_unix(cron:session): session closed for user root
Nov 22 09:35:20 firefly-rk3399 systemd[1]: systemd-hostnamed.service: Succeeded.
Nov 22 09:38:39 firefly-rk3399 systemd[1]: Starting Cleanup of Temporary Directories...
Nov 22 09:38:39 firefly-rk3399 systemd-tmpfiles[3625]: [/usr/lib/tmpfiles.d/speech-dispatcher.conf:1] Line references path below legacy directory /var/run/, updating /var/run/speech-dispatcher → /run/speech-dispatcher; please update the tmpfiles.d/ drop-in file accordingly.
Nov 22 09:38:39 firefly-rk3399 systemd-tmpfiles[3625]: [/usr/lib/tmpfiles.d/speech-dispatcher.conf:2] Line references path below legacy directory /var/run/, updating /var/run/speech-dispatcher/.cache → /run/speech-dispatcher/.cache; please update the tmpfiles.d/ drop-in file accordingly.
Nov 22 09:38:39 firefly-rk3399 systemd-tmpfiles[3625]: [/usr/lib/tmpfiles.d/speech-dispatcher.conf:3] Line references path below legacy directory /var/run/, updating /var/run/speech-dispatcher/.speech-dispatcher → /run/speech-dispatcher/.speech-dispatcher; please update the tmpfiles.d/ drop-in file accordingly.
Nov 22 09:38:39 firefly-rk3399 systemd-tmpfiles[3625]: [/usr/lib/tmpfiles.d/speech-dispatcher.conf:4] Line references path below legacy directory /var/run/, updating /var/run/speech-dispatcher/.cache/speech-dispatcher → /run/speech-dispatcher/.cache/speech-dispatcher; please update the tmpfiles.d/ drop-in file accordingly.
Nov 22 09:38:39 firefly-rk3399 systemd-tmpfiles[3625]: [/usr/lib/tmpfiles.d/speech-dispatcher.conf:5] Line references path below legacy directory /var/run/, updating /var/run/speech-dispatcher/log → /run/speech-dispatcher/log; please update the tmpfiles.d/ drop-in file accordingly.
Nov 22 09:38:39 firefly-rk3399 systemd[1]: systemd-tmpfiles-clean.service: Succeeded.
Nov 22 09:38:39 firefly-rk3399 systemd[1]: Started Cleanup of Temporary Directories.

 

This is htop

 

htop_cpu1.png

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