If this is a bug in the UPS, you can make a workaround in Linux. It is known that rebooting the computer helps. So there should be a way to do the same without rebooting, automatically. On Sat, 2016-04-16 at 12:01 -0400, Alan Stern wrote: > On Sat, 16 Apr 2016, Victor Porton wrote: > > > Sometimes my UPS (Advice) starts beeping every 20 seconds or so > > (electricity is not turned off and the computer continues to work). > > > > See > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820837 > > > > UPS model is Advice PRS850. > > > > Note that I am NOT subscribed to this mailing list! > > The error messages in your log mean that the UPS stopped replying to > the computer. This seems like a bug in the UPS, not in the computer. > > Also, all those messages about your keyboard being disabled and > reconnected indicate that the cable connection between the computer > and > keyboard isn't very good. > > Alan Stern > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html