2009/5/27 Daniel O'Connor <[email protected]> > On Wed, 27 May 2009, Arnaud Quette wrote: > > > Have you also tried the newmge-ups driver? Being based on the same > > > core as the usbhid-ups (USB) driver, it may be a little more > > > forgiving in case of timeouts (although I'm not very familiar with > > > it's predecessor, mge-shut). > > > > CAUTION: newmge-shut has still a major issue I haven't yet solved > > (which explains why it has not yet superseded): a loss of > > synchronization tends to happen. > > OK. > Does it recover, or just stay out of sync? >
excellent question: I frankly don't recall. looking at the log, I've mostly done nothing on it since I've created it 2 years ago :-( bad /me, thinking about cloning ;-) > The SHUT protocol is *very* verbose and uses a slow 2400 baud link, > > so you > > > > > want to give it lots of time before giving up (reading a 1500+ > > > bytes report descriptor will take more than 10 seconds). You may > > > want to increase MAXAGE in upsd.conf to at least double that, to > > > prevent PINGing the driver to death. > > > > I still have a point in my TODO list which is the baudrate > > negotiation. newer units supports it. > > there are also rooms for improvement on the startup sequence. > > Sounds like it would be nice :) > indeed > > Daniel: I'm interested in debug trace of these startup failure. just > > to see how it fails, and what should be done. > > OK, I'll have to see - I assume mge-shut -D -D -D is what you need? > > I'm not sure when I'll be able to test it though since the code could > potentially leave a remote system shut down with no way to turn it back > on :( > no hurry here. cheers, Arnaud -- Linux / Unix Expert R&D - Eaton - http://www.eaton.com/mgeops Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/ Debian Developer - http://www.debian.org Free Software Developer - http://arnaud.quette.free.fr/
_______________________________________________ Nut-upsdev mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/nut-upsdev
