[Nut-upsuser] MGE Nova AVR 600 USB on FreeBSD

[Arnaud Quette]

[adding back nut list ; please, keep it cc'ed]

2007/2/19, Rob Wise <rob at wonk.org>:
> Hi Arnaud,
>
> On 16/02/07, Arnaud Quette <aquette.dev at gmail.com> wrote:
> > does the driver block on "Waiting for notifications... "
> > or do you see some other identical messages?
> >
> > if the driver is blocked, then you have (about) the same problem as
> > solaris (but they don't have implemented USB interrupts through
> > libusb!).
> > a call to usb_interrupt_read() (libusb function) block indefinitly the process!
> > if this is the case, you can try to extend the workaround:
> > - look at configure.in,
> > - search for SUN_LIBUSB
> > - extend the target_os to include the freebsd system
> > - call autoreconf and recompile usbhid-ups
>
> This has worked! - I am now able to poll data from the UPS:

good to hear

> root# /usr/local/ups/bin/upsc mge-nova at localhost
> battery.charge: 100
> battery.charge.low: 30
> battery.runtime: 1000
> battery.type: PbAc
> (etc)
>
> > then relaunch usbhid-ups in debug and feed us back,
> > Note that this is only a temporary fix that disable interrupt handling
> > (so the driver only polls the UPS), while waiting for a proper
> > solution in freebsd / sun...
>
> Just to clarify this..  There is a bug with the USB code in FreeBSD
> 6.2 causing the driver to block - do you know if anyone has raised a
> PR for it?

I don't know.

@Thierry: any input on this point?

> Also your comment "(so the driver only polls the UPS)" - does this
> mean the UPS will not be able to notify NUT of a power failure as it
> occurs, but we'll pick it up next time NUT polls?

exactly.

Arnaud
-- 
Linux / Unix Expert - MGE UPS SYSTEMS - R&D Dpt
Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
Debian Developer - http://people.debian.org/~aquette/
OpenSource Developer - http://arnaud.quette.free.fr/