Hi James,
Here is a bit more information.
I added some printf's before the call to findClosest(pos, maxRange,
&filter) in f_airportinfo()
The first time through, this seems to work, it returns a valid pointer,
which gets passed to hashForAirport(c, apt) a few lines later.
In hashForAirport() I also printed the name and id that FGAirport *apt
points to. The first time through it prints "id = 58Q name = Mazza"
The crash happens on the second time through this call sequence.
The second call to f_airportinfo() seems to follow the same logic and get
the same answer. The FGAirport *apt pointer returned by findClosest() is
the same value as previously. However when passing this to
hashForAirport() it appears that the references it apt->ident() and
apt->name() trigger a segfault.
I tried running with valgrind and the error didn't happen -- hmmm...
Trying it again, but a valgrind startup is excruciatingly slow ...
Curt.
On Tue, Apr 24, 2012 at 8:45 AM, James Turner <zakal...@mac.com> wrote:
>
> On 24 Apr 2012, at 14:39, Curtis Olson wrote:
>
> > For what it's worth, I'm seeing nearly the same thing ... similar back
> trace-- crashing in hashforairport() about 10-15 seconds after the splash
> screen has been removed and the sim presented for use.
>
> Okay, that's good news since it rules out something Thorsten specific. Can
> you see if the FGAirport* being passed to hashForAirport looks like a valid
> pointer?
>
> James
>
>
>
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--
Curtis Olson:
http://www.atiak.com - http://aem.umn.edu/~uav/
http://www.flightgear.org - http://gallinazo.flightgear.org
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