[mythtv-users] How To Prevent Disabling of USB Devices When Idle
stephen_agent at jsw.gen.nz
Sat Sep 30 22:59:10 UTC 2017
On Sat, 30 Sep 2017 15:51:17 -0700, you wrote:
>On 09/30/2017 05:47 AM, Stephen Worthington wrote:
>> On Fri, 29 Sep 2017 14:42:26 -0700, you wrote:
>>> I have an Intel NUC 7I5BNH as a frontend. I use an IO Gear wireless
>>> keyboard/mouse with it. The interface to the frontend is a USB dongle.
>>> When the frontend is idle for enough time, the screen saver kicks in.
>>> Usually, pressing a key or moving the mouse (trackball) will wake up the
>>> frontend. However, if more time passes by, the frontend kernel goes to
>>> sleep too, and no amount of key pressing or mouse moving will wake it
>>> up. I suspect that the kernel is disabling the USB keyboard/mouse
>>> wireless dongle. Is there some way to prevent this?
>>> Ubuntu 14.04.
>> Have you checked your BIOS settings? The wakeup sources are often
>> configured there.
>Looking at the BIOS settings for the USB, nothing pops out at me. There
>is an "USB Legacy" option (enabled) and a Portable Device Charging Mode
>option (Charging in S3/S4/S5). Other choices are "Off" and "Charging
>Only". Other than that, only an Enable/Disable for each USB port (all
That does not sound like the correct place in the BIOS to be looking.
There is usually a section where you set the wakeup options, selecting
the things that will wake up the PC when in a low power state. It
should include things like Ethernet as well as keyboard and mouse.
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