[Nut-upsuser] ups-server grumpy after updating to Fedora 37

Greg Troxel gdt at lexort.com
Mon Nov 21 12:45:17 GMT 2022

Sam Varshavchik <mrsam at courier-mta.com> writes:

> After updating to Fedora 37 ups-server started having a bad hair day,
> spewing this:
> Nov 21 07:03:28 monster.email-scan.com nut-server[1735]: Can't connect
> to UPS [nutdev1] (usbhid-ups-nutdev1): No such file or directory
> May or may not be related: there's a widget on the desktop's XFCE
> panel, that shows the UPS's status as normal, so something, somewhere,
> is communicating with the UPS.

It is highly likely related.  Use fstat or lsof ([1] or however that is
spelled on Fedora) to figure out what process has the uhid device open,
and run the ups drive process under ktrace/ktruss/truss ([1]) to see
what is actually failing at the syscall level.
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