On Thu, Oct 3, 2024 at 11:21 PM Andre Robatino <robatino@xxxxxxxxxxxxxxxxx> wrote:
George N. White III wrote:
> > Is there any active device (KVM, wifi, bluetooth) between mouse and the
> system?
I don't think so, I'm using a USB mouse plugged into a USB hub plugged into the PC.
> Make a note of the times for a normal wakeup and a <Ctrl-Alt-F1> "wakeup".
> journalctl lets you view records for a
> given time interval, so you can compare events for the 2 behaviours to what
> (if anything) is different.
I'll try this. Thanks. Needing Ctrl-Alt-F1 doesn't happen very often, maybe ~5% of all
wakeups. I don't remember it ever happening until maybe sometime in the last month or two.
There have been many changes to linux in an effort to minimize power consumption. This
is needed to get volume orders for cubicle farms where power and cooling are a major concern.
If the USB hub is not powered, it probably gets reduced power from the PC in sleep mode, which
might be on the edge of what is needed to allow the mouse to work. If you connect the mouse
directly to the PC do you still have the problem?
Does the issue occur using an older kernel? If not, you could try comparing the output from
`acpitool -w` using different kernels.
George N. White III
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