[Nut-upsuser] PowerOff on Debian, and driver issues

Arjen de Korte nut+users at de-korte.org
Mon Feb 22 20:02:28 UTC 2010

Citeren Marc Franquesa <mark op l3jane.net>:

> Basically my questions are:
> - Is there any fix for the usbhid-ups disconnects?

Upgrade to nut-2.4.2. All versions prior to that are broken with the  
MGE and/or Eaton Ellipse series UPS. The problem is specific to the  
Ellipse series and was fixed only recently. Other than upgrading,  
there is nothing you can do about it.

> - Will the mge-shut driver suport more features/variables (like the  
> usbhid-ups)?

No. You may want to try newmge-shut instead, which uses the same  
driver core as usbhid-ups but with a serial interface instead of USB.  
Since this isn't affected by the USB issues that cause the usbhid-ups  
driver to disconnect, this will not suffer from the disconnect problems.

> - Why the ups is not responding after a reboot? Serial initialization?

Most likely a permissions problem or some other program keeps the  
serial port locked.

Best regards, Arjen
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