Just thought of dropping a question since this problem seems to have been around for quite some time.
Just now I have installed the new Ubuntu 18.04 on my Macbook Pro, and I notice the kworker hogging up a lot of CPU:
3411 root 20 0 0 0 0 R 84,4 0,0 6:12.23 kworker/0:0
Here's some other info about my setup:
No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04 LTS Release: 18.04 Codename: bionic
Linux MacbookPro 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Now I searched Google for answers on this problem and found plenty, actually. The answer in this thread did the trick for me: Why does kworker cpu usage get so high?
All I had to do was disable
gpe06 and the hogging kworker-process was gone. First I looked for the gpe causing the high CPU load:
grep . -r /sys/firmware/acpi/interrupts/
Then going through the list and finding the gpe that hogs up the resources and disabling it:
cp /sys/firmware/acpi/interrupts/gpe06 /root/gpe06.backup echo "disable" > /sys/firmware/acpi/interrupts/gpe06
My problem is that when I boot the machine, the damned kworker is running again. I know I can just disable it each time manually, but was wondering if there's a better solution for this? I tried following the instructions on the Ask Ubuntu thread I linked above, but it seems to be an outdated guide on how to get this running on startup.
So, how do I make this a permanent solution so I don't have to disable the gpe06 each time I start the laptop?