[SOLVED] CloudShell2 FAN not working on 5.4 Kernel

[noobs4u]

Ever since the upgrade to 5.4 the Cloudshell2 fan has not been working. My XU4 spikes to 80C after a reboot, we wont even discuss how high it gets when trying to file transfer or use plex! How do I get the fan up and working again? Or is it easier to downgrade? I'd like to get his fixed before thermal damage turns my cloushell2 nas into a paper weight. I did pull the power pin and test the fan to make sure it didn't die.

[mad_ady]

Are you sure it's kernel 5.14? Or 4.14?
What OS are you on?

[noobs4u]

Are you sure it's kernel 5.14? Or 4.14?
What OS are you on?

Welcome to Ubuntu 20.04.1 LTS (GNU/Linux 5.4.87-218 armv7l)

Corrected the kernel version to 5.4 in title

[noobs4u]

Code: Select all

root@odroid:~# apt install cloudshell2-fan
Reading package lists... Done
Building dependency tree
Reading state information... Done
cloudshell2-fan is already the newest version (1.1~202009160920~ubuntu20.04.1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Code: Select all

root@odroid:~# i2cset -y 1 0x60 0x05 0xf0
Error: Could not open file `/dev/i2c-1' or `/dev/i2c/1': No such file or directory

Code: Select all

root@odroid:~# cat /sys/devices/virtual/thermal/thermal_zone0/temp
54000
root@odroid:~#

So the fan software is installed, but when I try to manually turn it on or off, it says that directory doesn't exist. It's jumped 4 degrees since keyed in those 3 items listed above. Before the upgrade it never idled over 36C

[noobs4u]

Code: Select all

root@odroid:~# i2cdetect -y 1
Error: Could not open file `/dev/i2c-1' or `/dev/i2c/1': No such file or directory

Code: Select all

root@odroid:/dev# ls -l /dev/i2c*
crw-rw---- 1 root i2c 89, 2 Jan 22 04:41 /dev/i2c-2
crw-rw---- 1 root i2c 89, 4 Jan 22 04:41 /dev/i2c-4

Code: Select all

root@odroid:/dev# i2cdetect -l
i2c-4   i2c             exynos5-i2c                             I2C adapter
i2c-2   i2c             s3c2410-i2c                             I2C adapter

/dev only contains i2c-2 and i2c-4. I'm not sure what command to use to determine what they are exactly. Or even if it matters.

[mad_ady]

Try i2cdetect -y 2 and i2cdetect -y 4. Most likely the bus ids changed with the new kernel

[noobs4u]

Code: Select all

root@odroid:~# i2cdetect -y 2
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

Code: Select all

root@odroid:~# i2cdetect -y 4
Warning: Can't use SMBus Quick Write command, will skip some addresses
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:
10:
20:
30: -- -- -- -- -- -- -- --
40:
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60:
70:

I also tried this.

Code: Select all

root@odroid:~# i2cdetect -r -y 2
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --
root@odroid:~# i2cdetect -r -y 4
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- UU -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- UU -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

[mad_ady]

Hmm, the fan isn't detected... Hopefully @odroid has more ideas...

[AreaScout]

@noobs4u

Please have a read here viewtopic.php?f=147&t=40942 the solution is the overlay and the new address with the i2c command

RG

[noobs4u]

@noobs4u

Please have a read here viewtopic.php?f=147&t=40942 the solution is the overlay and the new address with the i2c command

RG

I saw this post, its how I found the i2c-2 and 4. For the time being I've installed a USB fan in one of the free usb ports. I'm moving terabytes of critical info off this NAS until I can locate and implement a fix. Once the data is transferred, I'll be giving the fdtoverlay option a try. That's the only thing I haven't tried. Still have about 3.5hrs of data to transfer yet, lol.

[noobs4u]

After a fresh install I gained i2c-0

Code: Select all

root@odroid:/dev# i2cdetect -l
i2c-4   i2c             exynos5-i2c                             I2C adapter
i2c-2   i2c             s3c2410-i2c                             I2C adapter
i2c-0   i2c             s3c2410-i2c                             I2C adapter

Code: Select all

root@odroid:~# i2cset -y 0 0x60 0x05 0xf0

FAN NOW WORKS!!!! The fan is on i2c-0. How do I get it to run automatically if and when I need a reboot?

[AreaScout]

Change the current fan script to switch off the XU4 over 85°C or use my cloudshell2-monitoring tool

RG

[noobs4u]

So after my 3 fresh install of Ubuntu 20.04 5.4 Kernel (this time the mate version and not the minimal) and updating the DTBO for the cloudshell2 lcd as such:

Code: Select all

; Device Tree Overlay
overlay_resize=16384
overlay_profile=hktft_cs_ogst
overlays="spi0 i2c0 i2c1 uart0"
 
[overlay_hktft_cs_ogst]
overlays="hktft-cs-ogst i2c0"

the fan started automatically upon reboot. The only things I did different was install ubuntu-20.04-5.4-mate-odroid-xu4-20210113.img and typed out all the code instead of copy paste.
Wash, Rinse, Repeat enough times and it all works great, LOL! I'm fairly certain something in the copy/paste of code is what was messing me up.

[AreaScout]

Great that it works !

[thejimnicholson]

Just a note that I had similar issues; I updated my emmc/cloudshell2/xu4 to ubuntu 20.04, and lost all the cloudshell2 functions (disk, lcd, fan.) Recovering the disk involved a cold start with the raid setup button held (I did not lose data doing this, I'm using Raid 1.) To get the fan to work, I ended up doing everything mentioned in this thread: viewtopic.php?f=147&t=40942

I don't have the lcd back yet, but that's next on my list.