Ask Ubuntu Asked by Bazon on December 17, 2020
For a few days, my Ubuntu 12.04 desktop computer has mysteriously been waking up immediately after going to suspend mode.
Since installation, my Ubuntu 12.10 laptop computer has also been resuming immediately after suspend and hibernation.
How to prevent those?
This problem was probably caused by strange USB signals. gedit /proc/acpi/wakeup
showed me, that wakeup was enabled for USB0 and USB2.
sudo -s
echo USB0 > /proc/acpi/wakeup
echo USB2 > /proc/acpi/wakeup
switched them to disabled (checked by gedit /proc/acpi/wakeup
again or refreshing the file-view), and after that, the computer stays in suspend like it should. :-)
Correct answer by Bazon on December 17, 2020
This is what worked for me on my Mac Book Pro 2015
I added the following to /lib/systemd/system-sleep/wakeup_disable
#!/bin/sh
# /lib/systemd/system-sleep/wakeup_disable
#
# Avoids that system wakes up immediately after suspend or hibernate
#
# Tested on MacBookPro 2015
case $1 in
pre)
if grep -qE '^XHC1.*enabled' /proc/acpi/wakeup; then
echo XHC1 > /proc/acpi/wakeup
fi
if grep -qE '^LID0.*enabled' /proc/acpi/wakeup; then
echo LID0 > /proc/acpi/wakeup
fi
;;
esac
Note this will prevent waking up via the lid opening and via keyboard/mouse/USB device you have to push the power button.
References:
Answered by Rwky on December 17, 2020
To make the fix permanent
(I am compiling the solutions provided by Bazon, Ilikerobots, and Pavlos Theodorou - together they address my specific issue)
To fix the issue permanently, whether it is a USB port waking up the system or something else:
gedit /proc/acpi/wakeup
You might get these or similar lines:
EHC1 S3 *enabled pci:0000:00:xx.x
EHC2 S3 *enabled pci:0000:00:xx.x
XHC S3 *enabled pci:0000:00:xx.x
Then open:
sudo gedit /etc/rc.local
and add these lines (or similar, depending on the results above) before exit 0
echo EHC1 > /proc/acpi/wakeup
echo EHC2 > /proc/acpi/wakeup
echo XHC > /proc/acpi/wakeup
Answered by geoffrey on December 17, 2020
If you know which device wake up your PC go to first step to follow the guide. If you don't, then open terminal and do:
cat /var/log/syslog
And find which device is waking your PC.
So now:
hit in terminal:
grep . /sys/bus/usb/devices/*/power/wakeup
To list all usb ports that wakeup our pc.
sudo su
we have now root privillages.
2.I have 8 USB ports and in this example let's say that I want to disable usb8 ,so:
echo disabled > /sys/bus/usb/devices/usb8/power/wakeup
Go ahead and test it. Now that specific device in USB port 8 won't wake up the PC.
Next step, to make the change permanent after each boot:
3.
sudo nano /etc/rc.local
And we paste the command from step 2. In there (before the exit 0 of course).
That's it.
optional Only if after sleep/wakeup process the USB 8 device , in my example , revert back to enabled.
udev
rule too to execute the command after every boot,sleep,wake up.Open a terminal and do:
lsusb
At your keyboard device id information the 4 first digits are the vendor id and the 4 next digits are the product id
Next do:
sudo nano /etc/udev/rules.d/10-wakeup.rules
Where "wakeup" enter your desired name of the script. Number 10 is the priority in case you have many other udev rules, the lower the number the 'rule' will be executed before the others.
Copy paste this and replace the vendor id and product id with your own wireless keyboard vendor id and product id.
ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="062a", ATTRS{idProduct}=="4101" RUN+="/bin/sh -c 'echo disabled > /sys/bus/usb/devices/usb8/power/wakeup'"
*usb8 for me is my wireless keyboard (you can also see that in the screenshot (Bus 008)), replace it with your own.
Ctrl + O to save , Ctrl + X to exit and reboot.
Answered by Pavlos Theodorou on December 17, 2020
I recently had the same symptom on Asus Zenbook Pro UX501 on Ubuntu 15.04. Bazon's exact fix did not work but Vladimir Rutsky's variation did. Specifically:
If running from the terminal cat /proc/acpi/wakeup
shows the following lines
EHC1 S3 *enabled pci:0000:00:xx.x
EHC2 S3 *enabled pci:0000:00:xx.x
XHC S3 *enabled pci:0000:00:xx.x
(pci addresses may be different)
then toggle these three to disabled by issuing the following commands:
sudo -s
echo EHC1 > /proc/acpi/wakeup
echo EHC2 > /proc/acpi/wakeup
echo XHC > /proc/acpi/wakeup
Answered by ilikerobots on December 17, 2020
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