We are using Raspbian OS in our A83T processor system. When we giving reboot command system hangs. Please find the log below
bpi-iot-ros-ai login: root
Password:
Last login: Thu Sep 19 20:32:42 CST 2019 on ttyS0
Linux bpi-iot-ros-ai 3.4.39-BPI-M3-Kernel #31 SMP PREEMPT Tue Jul 9 10:25:59 IST 2019 armv7l
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@bpi-iot-ros-ai:~# cat /proc/sys/kernel/printk
3 4 1 3
root@bpi-iot-ros-ai:~# echo 8 > /proc/sys/kernel/printk
root@bpi-iot-ros-ai:~# cat /proc/sys/kernel/printk
8 4 1 3
root@bpi-iot-ros-ai:~# reboot
[ 347.969896] systemd-shutdown[1]: Sending SIGTERM to remaining processes...
[ 348.037611] systemd-journald[195]: Received SIGTERM from PID 1 (systemd-shutdow).
[ 348.444580] systemd-shutdown[1]: Sending SIGKILL to remaining processes...
[ 348.800459] systemd-shutdown[1]: Unmounting file systems.
[ 348.808490] systemd-shutdown[1]: Unmounting /sys/fs/fuse/connections.
[ 348.900299] systemd-shutdown[1]: Unmounting /sys/kernel/config.
[ 348.907497] systemd-shutdown[1]: Unmounting /sys/kernel/debug.
[ 348.914609] systemd-shutdown[1]: Unmounting /dev/mqueue.
[ 348.991735] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 349.057659] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 349.064131] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 349.070601] systemd-shutdown[1]: All filesystems unmounted.
[ 349.077178] systemd-shutdown[1]: Deactivating swaps.
[ 349.083568] systemd-shutdown[1]: All swaps deactivated.
[ 349.089742] systemd-shutdown[1]: Detaching loop devices.
[ 349.105523] systemd-shutdown[1]: All loop devices detached.
[ 349.112193] systemd-shutdown[1]: Detaching DM devices.
[ 349.119080] systemd-shutdown[1]: All DM devices detached.
[ 349.134188] systemd-shutdown[1]: Rebooting.
[ 349.139161] drivers/cpufreq/autohotplug.c:reboot_notifier_call: stop autoplug begin
[ 349.148207] drivers/cpufreq/autohotplug.c:reboot_notifier_call: stop autoplug done
[ 349.157131] drivers/cpufreq/cpufreq.c:reboot_notifier_call: stop none boot cpus
[ 349.314245] CPU1: shutdown
[ 349.514519] CPU2: shutdown
[ 349.653947] CPU3: shutdown
[ 349.856343] CPU4: shutdown
[ 350.051237] CPU5: shutdown
[ 350.251161] CPU6: shutdown
[ 350.341119] CPU7: shutdown
[ 350.346994] drivers/cpufreq/cpufreq.c:reboot_notifier_call: stop none boot cpus done
[ 350.356090] [mmc]: shutdown_mmc: is not card 2, return
[ 350.362002] [mmc]: shutdown_mmc: mmc 0 shutdown exit..ok
[ 350.367986] [mmc]: try to disable cache
[ 350.372386] [mmc]: sdc2 set ios: clk 50000000Hz bm PP pm ON vdd 3.3V width 8 timing LEGACY(SDR12) dt B
[ 350.382998] [mmc]: sdc2 set ios: clk 50000000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
[ 350.393524] [mmc]: sdc2 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
[ 350.403940] [mmc]: sdc2 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
[ 350.416712] [mmc]: sdc2 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
[ 350.480352] [mmc]: shutdown_mmc: mmc 2 shutdown exit..ok
[ 350.710833] Disabling non-boot CPUs ...
[ 350.715166] Restarting system.
[ 350.718598]
[ 350.720302] Restarting Linux version 3.4.39-BPI-M3-Kernel (root@Haber) (gcc version 5.4.0 20160609 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) ) #31 SMP PREEMPT Tue Jul 9 10:25:59 IST 2019
[ 350.720310]
Please let me know, what could be the issues.
