First ensure you don't have 'tlp' installed.
Second, I can only answer by Googling. Maybe changing your kernel
command line to disable autosuspend of USB devices:
https://www.kernel.org/doc/html/v4.16/driver-api/usb/power-
management.html
** Package changed: bluez (Ubuntu) => linux (Ubuntu)
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Day 5: Issue comes back again (after suspend). Those two unknown devices
switched back to "Good". This time I toggled one of them to "Bad" and
the issue is resolved.
How do I make the powertop changes permanent?
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** Changed in: bluez (Ubuntu)
Status: Invalid => New
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https://bugs.launchpad.net/bugs/1801642
Title:
Bluetooth mouse sleeps after 5 seconds of
Day 3: No issue after wake from suspend.
Day 4: Issue comes back again (after suspend). Resolved after toggling
"Autosuspend on" for two unknown USB devices to "Bad".
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I see. There are two "Good" unknown autosuspend USB devices, not sure
which one is my mouse. I can't find it in "Bad" either.
Anyhow, the issue seems resolved currently.
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I think you're looking at the wrong line there. The line you want is:
Autosuspend for USB device ...
It sounds like the line for your mouse says "Good", which is actually
bad news. Because it means the kernel is powering down the USB device
for power savings. So a delay is expected.
Make
** Summary changed:
- Bluetooth mouse sleep after 5 seconds of inactivity
+ Bluetooth mouse sleeps after 5 seconds of inactivity
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