[NanoPC T4 aleatory crashes]

Thanks both for your replies. 

 

Armbianmonitor output has been uploaded to http://ix.io/2ndb

 

It's booting from emmc memory

[NanoPC T4 aleatory crashes]

Hello all, 

 

I have this board and It's suffering crashes and reboots all day. I think  the logs are stored in RAM because I can't never find anything related to this issue. Is there anything I can do to find the cause?

 

Many thanks.

 

Regards.

[NanoPI T4 3-pin fan with PWM suggestion needed.]

How can I figure out which is the pin of the fan on my nanopc t4? Because when I run the script I get the following:

 

Traceback (most recent call last):
  File "test_fan.py", line 36, in <module>
    fan_rpm()
  File "test_fan.py", line 8, in fan_rpm
    with GPIO(70) as rpm_gpio:
  File "/home/i5Js/.local/lib/python2.7/site-packages/periphery/gpio.py", line 32, in new
    return SysfsGPIO.__new__(cls, *args)
TypeError: __new__() takes exactly 3 arguments (2 given)

 

Thanks.

[PWM Fan on Nanopi M4 ??]

Ok, it’s working perfect.

[PWM Fan on Nanopi M4 ??]

It was fixed flashing with FriendlyElec core image and then armbian... I’m going to test now the fan service.

[PWM Fan on Nanopi M4 ??]

It's strange because this behaviour is after booted from MicroSD and transfer the system with nand-sata util...

[PWM Fan on Nanopi M4 ??]

Buster server with kernel 4.4 I’ll reflash the sd card again and give it a second chance.

[PWM Fan on Nanopi M4 ??]

Ufff this is insane, now says:

mount: no such device

Failed to mount /dev/mmcblk1p2 as root file system. (This I gues is still EMMC)

(initramfs)

[PWM Fan on Nanopi M4 ??]

Hi

 

Thanks for your answer, do you know how many secs? Because it’s imposible!!

 

Thanks.

[PWM Fan on Nanopi M4 ??]

I'm unable now to boot from MicroSD and  flash other Arabian version on the EMMC memory... It's quite desperate because always boot from EMMC

[PWM Fan on Nanopi M4 ??]

Ok, many thanks, I'll and keep you updated.

[PWM Fan on Nanopi M4 ??]

Hi Igor, 

 

Thanks for your answer, and my apologies if I'm not doing things properly

 

This is the url with the output

 

http://ix.io/2fds

 

Regards

 

 

[PWM Fan on Nanopi M4 ??]

Hello all, 

 

I've just bought my nanopc t4 and I'm trying to run the script but I got the following:

 

echo 0 > /sys/class/pwm/pwmchip1/export  echo: write error: Device or resource busy

 

then

 

+ sleep 1
+ '[' '!' -d /sys/class/pwm/pwmchip1/pwm0 ']'
+ sleep 1
+ '[' '!' -d /sys/class/pwm/pwmchip1/pwm0 ']'
+ sleep 1
+ '[' '!' -d /sys/class/pwm/pwmchip1/pwm0 ']'
+ sleep 1
 

 

Can you help me?

 

Many thanks.