As it turns out, when your i2c pins can be used as GPIO and you attempt to set them as outputs by inadvertently passing an index rather than address, it kills your i2c bus. This was buried in my database operations.
All better. Colin On 3/29/2014 13:35, paul.alfille wrote: > That's discouraging. Do you have a simple test case that triggers the error? > > > Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone > > > > -------- Original message -------- > From: Colin Reese <colin.re...@gmail.com> > Date: 03/29/2014 1:32 PM (GMT-05:00) > To: "OWFS (One-wire file system) discussion and help" > <owfs-developers@lists.sourceforge.net> > Subject: Re: [Owfs-developers] ow Python makes sensors disappear > > > Well, this isn't quite over yet. Still randomly crapping out. > > Can someone please help me debug this? > > Thanks, > Colin > > > On 3/28/2014 16:52, Colin Reese wrote: > > and ... drum roll ... the answer was to remove all double quotes from > > sqlite query preparation statements in the calling script, escaping > > included single quotes. > > > > I don't understand it, but it fixed it. > > > > Colin > > > > > > > > > > On 3/28/2014 15:55, Stefano Miccoli wrote: > >> Try running > >> > >> owserver --debug > >> > >> and watch for error messages. > >> > >> S. > >> > >> On 28 Mar 2014, at 23:33, Colin Reese <colin.re...@gmail.com > >> <mailto:colin.re...@gmail.com>> wrote: > >> > >>> I've no idea where to even start on this. > >>> > >>> > >>> On 3/28/2014 14:49, Stefano Miccoli wrote: > >>>> This error is entirely on the owserver side... owpython and the > friends > >>>> seem not to be responsible. > >>>> > >>>>> pyownet.protocol.OwnetError > >>>> > >>>> exceptions are raised when the remote owserver answers with an error > >>>> code, in this case -5, that according to > >>>> > >>>> owserver --help=error > >>>> > >>>> is > >>>> > >>>> 5. legacy - IO error > >>>> > >>>> you shoud inspect the owserver code to find out. > >>>> > >>>> Stefano > >>>> > >>>> On 28 Mar 2014, at 22:23, Colin Reese <colin.re...@gmail.com > >>>> <mailto:colin.re...@gmail.com> > >>>> <mailto:colin.re...@gmail.com>> wrote: > >>>> > >>>>> And I've now successfully duplicated the error in pyownet: > >>>>> > >>>>> File "/usr/lib/iicontrollibs/cupid/owfslib.py", line 27, in owbuslist > >>>>> for dir in OwnetProxy(host).dir(): > >>>>> File "/usr/lib/iicontrollibs/resource/pyownet/protocol.py", line > 408, > >>>>> in dir > >>>>> raise OwnetError(-ret, self.errmess[-ret], path) > >>>>> resource.pyownet.protocol.OwnetError: [Errno 5] legacy - IO > error: '/' > >>>>> > >>>>> What on earth is nuking the directory? > >>>>> > >>>>> Colin > >>>> > >>>> > >>>> > >>>> > ------------------------------------------------------------------------------ > >>>> > >>>> > >>>> > >>>> > >>>> _______________________________________________ > >>>> Owfs-developers mailing list > >>>> Owfs-developers@lists.sourceforge.net > >>>> <mailto:Owfs-developers@lists.sourceforge.net> > >>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers > >>>> > >>> > >>> > ------------------------------------------------------------------------------ > >>> > >>> _______________________________________________ > >>> Owfs-developers mailing list > >>> Owfs-developers@lists.sourceforge.net > >>> <mailto:Owfs-developers@lists.sourceforge.net> > >>> https://lists.sourceforge.net/lists/listinfo/owfs-developers > >> > >> > >> > >> > ------------------------------------------------------------------------------ > >> > >> > >> > >> > >> _______________________________________________ > >> Owfs-developers mailing list > >> Owfs-developers@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/owfs-developers > >> > > ------------------------------------------------------------------------------ > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers > > > ------------------------------------------------------------------------------ > > > > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers > ------------------------------------------------------------------------------ _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
