Recommendations for a serial port card you can actually BUY?
Brooks Davis
brooks at one-eyed-alien.net
Fri Oct 6 14:14:40 UTC 2006
On Fri, Oct 06, 2006 at 11:33:13AM +1000, Greg Black wrote:
> On 2006-10-05, Brooks Davis wrote:
> > On Thu, Oct 05, 2006 at 07:09:56PM -0500, Karl Denninger wrote:
> > > On Thu, Oct 05, 2006 at 04:04:47PM -0500, Brooks Davis wrote:
> > > > On Thu, Oct 05, 2006 at 03:21:44PM -0500, Karl Denninger wrote:
> > > > >
> > > > > FreeBSD's USB support has always been somewhat deficient. For example,
> > > > > apcupsd can't talk to their UPSs over the USB bus, even though the software
> > > > > itself knows how, because FreeBSD doesn't know what a UPS is and throws up
> > > > > its hands when you plug it in.
> > > >
> > > > This is false for at least the APC SmartUPS the machine I'm sending this
> > > > from is connected to. I wouldn't be suprised if it was true once, but
> > > > it isn't today.
> > > >
> > > > ugen0: American Power Conversion Smart-UPS 750 FW:651.12.D USB FW:4.2, rev 1.10/0.06, addr 2
> > >
> > > Does apcupsd connect to it? I tried this back on 5.x and it failed
> > > miserably. It identified the unit, but wouldn't talk to it.
> >
> > Yes. I get notifications of power failures and can query status.
>
> I don't know what you guys are doing right, but it doesn't work
> right for me on
>
> $ uname -srm
> FreeBSD 6.1-RELEASE amd64
>
> I do get some results: this is the console when it's connected:
>
> ugen1: American Power Conversion Smart-UPS 750 FW:651.12.I USB FW:7.3, rev 1.10/0.06, addr 6
>
> I find that apcaccess gives much less info from the USB port
> than it does from the RS232 port (on the same hardware) and
> apctest (which I want to use to set eprom values) doesn't work
> at all. This is very irritating, as I'd like to use my only
> serial port for a remote console.
>
> For now, I've gone back to using the serial port. But I'd love
> the USB to work fully.
I don't seem to need the other features. This is not a FreeBSD issue
since FreeBSD just knows enough to not try to do anything to the device,
it's an apcupsd issue or possibly a weakness in APCs USB implementation.
-- Brooks
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