Re: USB flakes out?

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On Tue, 19 Nov 2019 18:42:31 -0400
George N. White III wrote:

> EFI is looking like a red herring.   Next on the list of
> suspects with access to both systems is power
> management.   Have a look at USB Power Management for Linux 5.3
> <https://www.kernel.org/doc/html/v5.3/driver-api/usb/power-management.html>
> (hasn't changed over many kernel versions).   A good first step would
> be to disable USB PM and see if the issue goes away.

Thanks! That sounds like useful info. The kernel already had the
mouse set to not ever suspend, but backing up to the hub, I see it
set to "auto", so I disabled the hub PM and I'll see if I notice
the mouse go away again.
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