[ flightgear-Bugs-1354007 ] fgfs SEGV/scenery prob.@UG25, LL62: crash(bo105)/??(ufo)

Following Jon's advise, I'm passing this over to terragear-devel.

---------- Forwarded message ----------
Bugs item #1354007, was opened at 2005-11-11 16:29
Message generated for change (Comment added) made by vassilii
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=100583&aid=1354007&group_id=583

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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Vassilii Khachaturov (vassilii)
Assigned to: Nobody/Anonymous (nobody)
Summary: fgfs SEGV/scenery prob.@UG25, LL62: crash(bo105)/??(ufo)

Initial Comment:
(Documenting the flightgear open bugs I've submitted
w/o a patch on the flightgear-devel list. Retested with
the CVS version from today, as of the submit date ---
this is written in the 0.9.9-pre3 times).

When I start the CVS version at the UG25 airport with
bo105,
it core dumps on startup as
follows:

#0  yasim::Turbulence::getTurbulence (this=0xad2cee0,
loc=0x4fea8008,
    alt=nan(0x400000), up=0xbfffed60,
turbOut=0xbfffedb0) at
Turbulence.cpp:100
#1  0x081cfc13 in yasim::Model::localWind
(this=0xa698c24, pos=0xbfffee90,
    s=0xbfffefb0, out=0xbfffeea0, alt=7.8685184e+09) at
Model.cpp:537
#2  0x081cf4e3 in yasim::Model::calcForces
(this=0xa698c24, s=0xbfffefb0)
    at Model.cpp:399
#3  0x081cca9c in yasim::Integrator::calcNewInterval
(this=0xa698c28)
    at Integrator.cpp:176
#4  0x081c4e84 in yasim::FGFDM::iterate
(this=0xa698c20, dt=0.00833333377)
    at FGFDM.cpp:91
#5  0x081bf030 in YASim::update (this=0xa6984f8,
dt=0.050800000627835587)
    at YASim.cxx:212
#6  0x080575a5 in fgUpdateTimeDepCalcs () at main.cxx:170
#7  0x08058174 in fgMainLoop () at main.cxx:478
#8  0x0808cc75 in GLUTidle () at fg_os.cxx:114
#9  0x40410c67 in glutMainLoop () from
/usr/lib/libglut.so.3
#10 0x0805ac76 in fgMainInit (argc=6, argv=0xbffff864)
at main.cxx:1012
#11 0x0805703a in main (argc=1340768264,
argv=0x4fea8008) at
bootstrap.cxx:193

We are talking about the CVS preferences.xml here, w/o any
real-world-wx-fetch.

The core dump is always at the same place (pointers are
different).

If I do it with the ufo, it starts in some white warp
space (cockpit view
-- solid white around the aircraft, same w/chase etc.)
and from the tower one doesn't see anything at all.

The last released version just hangs if I start it up
there --- the
splash screen never goes away!

Now if I take a UFO and fly from a nearby airport to
UG25 (say, from
UGGG), then one sees solid white instead of the runway
--- broken scenery,
or broken fgfs?

See a screenshot of what I am talking about at
http://www.tarunz.org/~vassilii/Images/fg/UG25-cutout.jpg

A similar thing happens at LL62 (crash of the CVS
version/cutout):
http://www.tarunz.org/~vassilii/Images/fg/LL62-cutout.jpg

I thought there some problem with the
"<LETTER><LETTER><NUMBER><NUMBER>"
airport data scenery automatic generation, but, e.g.
JY07 is all right.

I'm running Debian Linux 2.6.8-2-686,
NVRM version: NVIDIA Linux x86 NVIDIA Kernel Module
1.0-7174  Tue Mar 22
06:44:39 PST 2005
GCC version:  gcc version 3.3.5 (Debian 1:3.3.5-13)
Model:           GeForce2 MX/MX 400
IRQ:             169
Video BIOS:      03.11.00.07.00
Card Type:       AGP

name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: NVIDIA Corporation
server glx version string: 1.3
server glx extensions:
    GLX_EXT_visual_info, GLX_EXT_visual_rating,
GLX_SGIX_fbconfig,
    GLX_SGIX_pbuffer, GLX_SGI_video_sync,
GLX_SGI_swap_control
client glx vendor string: NVIDIA Corporation
client glx version string: 1.3

When I'm testing the CVS version, it uses the CVS
simgear as well.
All the other packages (plib, openal etc) are debian ones.

Original flightgear-devel posting:
http://mail.flightgear.org/pipermail/flightgear-devel/2005-October/039448.html

----------------------------------------------------------------------

>Comment By: Vassilii Khachaturov (vassilii)
Date: 2005-11-13 01:39

Message:
Logged In: YES
user_id=125320

There are no btg's in the scenery db for the 2 airports in
question. Jon Stockill  confirms it's a scenery generation
problem (there is suppossed to be ground everywhere within a
generated tile), although fgfs could probably trap this as well.

----------------------------------------------------------------------

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