Since a while I couldn't use the j3cub any more. I always got a segfault
and nobody else could reproduce. I found a division by zero in one of
YASim's files. When I had fixed that, the cub worked again ... except
for the brakes. Again, nobody could reproduce. WTF?!
$ strace -fF -eopen fgfs --aircraft=j3cub 2>&1|tee /tmp/fgfs.log
...
open("/usr/local/share/flightgear/Aircraft/f16/Panels/Textures",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 6
open("/usr/local/share/flightgear/Aircraft/f16/Models",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 5
open("/usr/local/share/flightgear/Aircraft/747",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 4
open("/usr/local/share/flightgear/Aircraft/747/Models",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 5
open("/usr/local/share/flightgear/Aircraft/j22",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 4
open("/usr/local/share/flightgear/Aircraft/j22/Huds",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 5
open("/usr/local/share/flightgear/Aircraft/j22/Models",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 5
open("/usr/local/share/flightgear/Aircraft/_berg",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 4
open("/usr/local/share/flightgear/Aircraft/_berg/j3cub-set.xml", O_RDONLY) = 5
open("/usr/local/share/flightgear/Aircraft/_berg/j3cub-3d-yasim-set.xml", O_RDONLY) = 6
^^^^^
[pid 29348] open("/usr/local/share/flightgear/Aircraft/_berg/j3cub.xml", O_RDONLY) = 19
^^^^^
Huh??? OK, I confess. I had once copied some j3cub files to a new, local
directory "_berg" for a "Berg Aviatik" aircraft. Haven't renamed them there
and not kept them up-to-date either.
But why does fgfs pick up j3cub files from anywhere else than the j3cub
directory? It seriously searches for them in $FG_ROOT/Aircraft/747/?
Why? (Except to entertain me several hours long with debugging challenges. ;-)
m.
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