[Nut-upsuser] blazer_ser problem on windows NUT 2.6.5-3780M

Kris Jordan nut.kj at sagebrushnetworks.com
Sat May 11 19:05:11 UTC 2013

David Bezuidenhout wrote, On 5/11/2013 10:26 AM:
> Hi,
> I have a bunch of UPSs, most connected to pcs with Linux working 100% 
> with NUT.
> The only one I have a problem with, is connected to Windows 7 64bit, 
> and I used the straight MSI installed from the website 
> named NUT-Installer-2.6.5-4.msi
> Took me a while to find a way to get it to work, but it is ugly for 
> now. Just starting up the service results in a NUT not working at all, 
> and I tracked it down to the blazer_ser driver not finding the UPS. 
> Debugging shows some problem with the communication on my serial-usb 
> port. What I have found is, that it doesn't work until I add 4x debug 
> flags. eg: -DDDD

I had a similar issue with usbhid-ups on a USB 3.0 port until I moved it 
to a USB 2.0 port. Maybe it's timing related, I'd expect adding 
debugging would slow it down a tad.

More information about the Nut-upsuser mailing list