rockpro 64 does not boot up automatically after software reboot
#1
Hi, I am using rockpro64 with Ubuntu18.04 LXDE image.
I made a project on rockpro64 that runs continously 24x7. 
Sometimes when light goes or i do software restart, it does not reboot. I have to plug out the power jack and plug it again. SOmetime it reboots automatically after restart.
 Is this common issue? Is it related to Hardware or Image? Any idea?
Thanks.
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#2
Have the same issue with dietpi and libreelec. The board is a piece of shit
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#3
(08-21-2019, 03:18 AM)rahulsharma Wrote: Hi, I am using rockpro64 with Ubuntu18.04 LXDE image.
I made a project on rockpro64 that runs continously 24x7. 
Sometimes when light goes or i do software restart, it does not reboot. I have to plug out the power jack and plug it again. SOmetime it reboots automatically after restart.

Have you tried to attach RTC backup battery? The ability to restart after power loss is solely depends on RK808 power management controller. If it will be equipped by a backup power source at RTC connector, the restart may become more predictable.

I still don't know why the RK808 may not restart without of RTC battery. System voltage ramps up quite sharp and RK808 should detect the turning on reliable.
How much time the board remained without of power before re-applying? May be power supply networks or the capacitors on ROCKpro64 board was not discharged enough?
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#4
Hi @Nikolay_Po , 
Thanks for concern.


Yes the power cut is unpredictable. It ranges from 1 hr to 1 day.
I also think that sudden power on/off make OS corruption. As after few days, the board does not even boot up.

Weirdly when i press power button, then it starts booting.

Also when i reflash the same OS , again it starts working well (auto restart) for few days.

So not able to decide if it is hardware error or OS error.
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