[mythtv-users] How To Prevent Disabling of USB Devices When Idle

Stephen Worthington stephen_agent at jsw.gen.nz
Sat Sep 30 12:47:26 UTC 2017


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.
>Jay

Have you checked your BIOS settings?  The wakeup sources are often
configured there.


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