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Re: [gpsd-dev] Possible Bug in libgpsd_core.c

From: Gary E. Miller
Subject: Re: [gpsd-dev] Possible Bug in libgpsd_core.c
Date: Fri, 1 Feb 2019 11:28:29 -0800

Yo Neustifter!

On Fri, 1 Feb 2019 08:04:19 +0000
Neustifter Andreas <address@hidden> wrote:

> > While the old code is problematic, the new code is just
> > misleading.  It unsets MODE-SET, only when it is not set!
> > gpsdata.set was just set from received, so their MODE_SET is always
> > the same.
> >
> > I'm just finishing up fixing some SiRFstar bugs, when that is under
> > control I'lll come back to this bug.  
> We currently just drop the whole section and the GPSd works as
> expected (by us) by downgrading the fix.

Works for you is one thing.

> I can also see that the
> regression test are failing big time since the downgrade is actually
> reported to the clients. Most probably this has unintended
> consequences for the majority of GPSd users.

Yup.  Getting it to work for everyone is quite hard.  I suspect the
answer has to be device driver specific.

The problem is many GPS report, in a single cycle, the fix quality
in different ways.  gpsd has to merge them into a final mode.  That
is hard to do.

> Not sure what is the best way forward for that issue.

We discuss it, then try solutions, with a close eye on the regressions.

The regressions keep us from making a lot of mistakes.

> The information contained in this e-mail message is privileged and
> confidential


Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin

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