Hi,
On 3/18/21 7:54 AM, Beautex wrote:
> Long story short: We have one of those little $100 Chinese mini PCs running 18.04 LTS. ("Wintel Pro" / "Wintel Box") It thinks it has a battery, possibly because it thinks it is a laptop. The "battery" level notifications - that I have tried a million ways to kill - are driving me nuts because I'm trying to use this machine to run a looping slideshow while the workplace is open.
>
> Long story short: We have one of those little $100 Chinese mini PCs running 18.04 LTS. ("Wintel Pro" / "Wintel Box") It thinks it has a battery, possibly because it thinks it is a laptop. The "battery" level notifications - that I have tried a million ways to kill - are driving me nuts because I'm trying to use this machine to run a looping slideshow while the workplace is open.
>
> Thought I might have had this fixed but HAHAHA NOPE
>
> Related question: Why does Ubuntu power management set a battery as the default power supply on a desktop machine?
>
> This is where someone asked "What is the output of laptop-detect -v?"
>
> It is: We're a laptop (non device ACPI batteries found)
>
> But we are emphatically not a laptop, and we don't want to be a laptop. How can we not be a laptop?
> https://www.miscof.com/best-laptops-for-medical-schools-in-2020-top-reviews/
>
> CPU is Intel Atom x5-Z8350. Do let me know if additional information is required. The fault may have nothing to do with Ubuntu but I live in hope Ubuntu might have the tools to fix it.
Notice that you send this email to a Fedora mailinglist and Fedora is a different Linux
distribution.
With that said, this is a known issue with some of these Intel Atom x5-Z83xx based boxes,
they use an AXP288 PMIC and often the BIOS does not turn off the fuel-gauge (battery
monitoring) part of this chip.
The driver for the AXP288 fuel-gauge contains a list of devices like this:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/power/supply/axp288_fuel_gauge.c#n679
So the fix will be to add your device to this list.
Please as a regular user in a terninal run:
grep . /sys/class/dmi/id/* 2> /dev/null
On the device and then copy and paste the output into your next email / reply.
That will give me the info which I need to add your device to the no-fuel-gauge list.
Regards,
Hans
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