Warren, thanks for the reply!
Plantronics USB headset/microphone?
Yottamaster RAID-1 storage (USB3)?
Behringer USB audio interface?
Logitech wireless mouse?
Leopold USB keyboard?
Does any one of them sound more likely than the others?
Of all those, the yottamaster device is the most recent. Unfortunately I
haven't kept notes on when it occurs, so it's possible it was occurring
before I got that device. :(
If it is that device (used primarily for nightly backups) might it help if
I unmount it after each use?
Thanks in advance!
Fred
On Sat, Jan 2, 2021 at 11:13 AM Warren Young <warren@xxxxxxxxxxx> wrote:
> On Jan 2, 2021, at 7:44 AM, Fred <fred.fredex@xxxxxxxxx> wrote:
> >
> > I'm further guessing that "xhci_hcd" has something to do with USB
>
> Yup:
> https://en.wikipedia.org/wiki/Extensible_Host_Controller_Interface#Virtualization_support
>
> > If so I don't know what it would be...
>
> My guess: you have USB-attached storage that’s waking up when you wiggle
> the mouse, and it’s crashing the bus, kicking the kernel driver over, so
> the system reboots to protect itself.
>
> If not storage, then something else sufficiently complicated, which wakes
> up when you wake the system.
>
> I’d exclude things like optical drives, unless they have disks in them at
> the time this happens.
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