On 21.09.2010, Jiri Kosina wrote:

> This seems like a completely different problem -- apcupsd is not finding
> the UPS, yes, but kernel doesn't WARN/BUG here, so it seems like similar
> symptoms, but very likely a different cause.

Hmm, I just don't know.

> Could you perhaps strace apcupsd to see what it is doing before it fails?

Yes, of course. The output is attached this mail.