Yrurtj

If I look for ACPI interrupts, I find:

/sys/firmware/acpi/interrupts/sci:   55414

/sys/firmware/acpi/interrupts/error:       0

/sys/firmware/acpi/interrupts/gpe00:       0   invalid

/sys/firmware/acpi/interrupts/gpe01:       0   invalid

/sys/firmware/acpi/interrupts/gpe02:       0   invalid

/sys/firmware/acpi/interrupts/gpe03:       0   invalid

/sys/firmware/acpi/interrupts/gpe04:       0   invalid

/sys/firmware/acpi/interrupts/gpe05:       0   invalid

/sys/firmware/acpi/interrupts/gpe06:       0   enabled

/sys/firmware/acpi/interrupts/gpe07:       0   enabled

/sys/firmware/acpi/interrupts/gpe08:       0   invalid

/sys/firmware/acpi/interrupts/gpe09:       0   disabled

/sys/firmware/acpi/interrupts/gpe10:       0   enabled

/sys/firmware/acpi/interrupts/gpe11:       0   invalid

/sys/firmware/acpi/interrupts/gpe12:       0   invalid

/sys/firmware/acpi/interrupts/gpe13:       0   invalid

/sys/firmware/acpi/interrupts/gpe14:       1   enabled

/sys/firmware/acpi/interrupts/gpe15:       0   invalid

/sys/firmware/acpi/interrupts/gpe16:       1   enabled

/sys/firmware/acpi/interrupts/gpe0A:       0   invalid

/sys/firmware/acpi/interrupts/gpe17:   54753   enabled

/sys/firmware/acpi/interrupts/gpe0B:       0   invalid

/sys/firmware/acpi/interrupts/gpe18:       0   invalid

/sys/firmware/acpi/interrupts/gpe0C:       0   invalid

/sys/firmware/acpi/interrupts/gpe19:       0   invalid

/sys/firmware/acpi/interrupts/gpe0D:       0   disabled

/sys/firmware/acpi/interrupts/gpe0E:       0   invalid

/sys/firmware/acpi/interrupts/gpe20:       0   invalid

/sys/firmware/acpi/interrupts/gpe0F:       0   invalid

/sys/firmware/acpi/interrupts/gpe21:       0   invalid

/sys/firmware/acpi/interrupts/gpe22:       0   invalid

/sys/firmware/acpi/interrupts/gpe23:       0   enabled

/sys/firmware/acpi/interrupts/gpe24:       0   invalid

/sys/firmware/acpi/interrupts/gpe25:       0   invalid

/sys/firmware/acpi/interrupts/gpe26:       0   invalid

/sys/firmware/acpi/interrupts/gpe1A:       0   invalid

/sys/firmware/acpi/interrupts/gpe27:       0   invalid

/sys/firmware/acpi/interrupts/gpe1B:       0   invalid

/sys/firmware/acpi/interrupts/gpe28:       0   invalid

/sys/firmware/acpi/interrupts/gpe1C:       0   invalid

/sys/firmware/acpi/interrupts/gpe29:       0   invalid

/sys/firmware/acpi/interrupts/gpe1D:       0   invalid

/sys/firmware/acpi/interrupts/gpe1E:       0   invalid

/sys/firmware/acpi/interrupts/gpe30:       0   invalid

/sys/firmware/acpi/interrupts/gpe1F:       0   invalid

/sys/firmware/acpi/interrupts/gpe31:       0   invalid

/sys/firmware/acpi/interrupts/gpe32:       0   invalid

/sys/firmware/acpi/interrupts/gpe33:       0   invalid

/sys/firmware/acpi/interrupts/gpe34:       0   invalid

/sys/firmware/acpi/interrupts/gpe35:       0   invalid

/sys/firmware/acpi/interrupts/gpe36:       0   invalid

/sys/firmware/acpi/interrupts/gpe2A:       0   invalid

/sys/firmware/acpi/interrupts/gpe37:       0   invalid

/sys/firmware/acpi/interrupts/gpe2B:       0   invalid

/sys/firmware/acpi/interrupts/gpe38:       0   invalid

/sys/firmware/acpi/interrupts/gpe2C:       0   invalid

/sys/firmware/acpi/interrupts/gpe39:       0   invalid

/sys/firmware/acpi/interrupts/gpe2D:       0   invalid

/sys/firmware/acpi/interrupts/gpe2E:       0   invalid

/sys/firmware/acpi/interrupts/gpe2F:       0   invalid

/sys/firmware/acpi/interrupts/gpe3A:       0   invalid

/sys/firmware/acpi/interrupts/gpe3B:       0   invalid

/sys/firmware/acpi/interrupts/gpe3C:       0   invalid

/sys/firmware/acpi/interrupts/gpe3D:       0   invalid

/sys/firmware/acpi/interrupts/gpe3E:       0   invalid

/sys/firmware/acpi/interrupts/gpe3F:       0   invalid

/sys/firmware/acpi/interrupts/sci_not:       0

/sys/firmware/acpi/interrupts/ff_pmtimer:       0   invalid

/sys/firmware/acpi/interrupts/ff_rt_clk:       0   disabled

/sys/firmware/acpi/interrupts/gpe_all:   55414

/sys/firmware/acpi/interrupts/ff_gbl_lock:       0   enabled

/sys/firmware/acpi/interrupts/ff_pwr_btn:       0   enabled

/sys/firmware/acpi/interrupts/ff_slp_btn:       0   invalid

I wrote a service script to disable this on boot:

#!/bin/bash



### BEGIN INIT INFO

# Provides:          disable-gpe17

# Required-Start:    $remote_fs $syslog

# Required-Stop:     $remote_fs $syslog

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: Start daemon at boot time

# Description:       Enable service provided by daemon.

### END INIT INFO



logger -t gpe17 -s "Disabling gpe17 interrupts..."



/etc/pm/sleep.d/30_disable_gpe17 thaw



exit 0

This calls my PM script:

#!/bin/sh



echo 0 > /sys/firmware/acpi/interrupts/gpe17 2>/dev/null

I've made both scripts executable, and added disable-gpe17 to the boot scripts with:

sudo update-rc.d disable-gpe17 defaults

When I look in my boot log, I don't see a record of the syslog entry stating that gpe17 has been disabled.

Is there a better, perhaps udev, way of disabling certain interrupts on boot? If not, why is my service script not running on boot?

I'm on a MacBook Pro 11,5 running kernel 3.19 with Ubuntu 14.04.

I have the same issue, I needed to disable gpe16 and gpe17 for kworker to stop hogging the CPU. I followed the recipe found here: http://sudoremember.blogspot.com.au/2013/05/high-cpu-usage-due-to-kworker.html

An abbreviated (and corrected, at least for my instance) version is here:

$sudo -s

#echo "disable" > /sys/firmware/acpi/interrupts/gpe17

#echo "disable" > /sys/firmware/acpi/interrupts/gpe17

You should now see the CPU load / hear the fans go down.
Make sure this happens again on reboot - still while root privs:

#crontab -e

This opens your favourite editor. Add these lines:

@reboot echo "disable" > /sys/firmware/acpi/interrupts/gpe16 

@reboot echo "disable" > /sys/firmware/acpi/interrupts/gpe17

Since suspend mode doesn't work for me I didn't bother following the remainder of the instructions on how to create a script that reactivates those settings on resume after suspend.