At 10/23/02, Curtis Olson wrote:
Ok, given that it's in the new 3D cloud code, maybe some mods could be made so that none of that code gets executed w/ the default, which is 3D clouds off?I'm not coming up with any good ideas ... I *thought* that if you didn't specify --enable-clouds3d, then none of that code was executed, but perhaps that's not the case ... (?)>From gdb, it's dying in the 3d cloud setup/init but beyond that I'm not sure why.
I love to see those clouds ... but I'd be happy w/ the essentials for now.
Curt.
Jon Berndt writes:
> Can anyone offer some help, here? I do not have a recent build of FlightGear
> and cannot build it at the moment for reasons I don't want to go into (that
> have nothing to do with FlightGear or my computer). Can someone copy the log
> output concerning JSBSim for the X-15 and post it or email to me and Tony?
> Also, some detailed info and wierdness and/or where it segfaults would be
> helpful. Platform info, too.
>
> Jon
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:flightgear-devel-admin@;flightgear.org]On Behalf Of Michael Selig
> > Sent: Wednesday, October 23, 2002 10:54 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [Flightgear-devel] segfault
> >
> >
> > At 10/23/02, John Check wrote:
> > >I just ran through firing up all the non 172 planes
> > >and there are several JSBsim planes that segfault
> > >
> > >x24b
> > >X15
> > >Shuttle
> >
> > I have been down this road before. These planes are crashing for some
> > reason, and the segfault is not the first thing that happens.
> >
> > This segfault is very different and probably simply FDM related.
> >
> > It seems that a big clue w/ my segfault is that it happens "right out of
> > the box", i.e. immediately.
> >
> >
> > >On Wednesday 23 October 2002 10:30 pm, Tony Peden wrote:
> > > > On Wed, 2002-10-23 at 19:14, Michael Selig wrote:
> > > > > At 10/23/02, Tony Peden wrote:
> > > > > >On Wed, 2002-10-23 at 17:39, Michael Selig wrote:
> > > > > > > I am trying to compile and run the latest version of
> > fgfs, but I have
> > > > > > > hit a problem. When I run it I promptly get the error message
> > > > > > > "Segmentation Fault"
> > > > > > > There are no other messages.
> > > > > > >
> > > > > > > What I have:
> > > > > > > - Redhat 7.1
> > > > > > > - automake 1.6.3
> > > > > > > - autoconf 2.53
> > > > > > > - plib 1.6.0
> > > > > > > - yesterday's cvs of Simgear, fgfsbase, Flightgear (0.9)
> > > > > > >
> > > > > > > I am able to compile and run my older version of fgfs (from
> > > > > > > 8/20/2002) w/ the new plib and Simgear.
> > > > > > >
> > > > > > > Also, we're able to compile and run the new setup on some other
> > > > > > > Redhat machines.
> > > > > > >
> > > > > > > So this does seem to be machine specific, but I have not changed
> > > > > > > anything at the system level.
> > > > > > >
> > > > > > > Anyone have any ideas on what I could try next?
> > > > > >
> > > > > >It may help to know where it's crashing.
> > > > > >
> > > > > >run fgfs with this:
> > > > > >gdb fgfs
> > > > > >type run at the gdb prompt then, when it crashes, type bt
> > and post the
> > > > > >results.
> > > > >
> > > > > Here's what I get:
> > > > >
> > > > > ~/www-flightgear-org> gdb ./FlightGear/src/Main/fgfs
> > > > > GNU gdb 5.0rh-5 Red Hat Linux 7.1
> > > > > Copyright 2001 Free Software Foundation, Inc.
> > > > > GDB is free software, covered by the GNU General Public
> > License, and you
> > > > > are welcome to change it and/or distribute copies of it
> > under certain
> > > > > conditions. Type "show copying" to see the conditions.
> > > > > There is absolutely no warranty for GDB. Type "show warranty" for
> > > > > details. This GDB was configured as "i386-redhat-linux"...
> > > > > (gdb) run
> > > > > Starting program:
> > > > > /home/m-seligSim/www-flightgear-org/./FlightGear/src/Main/fgfs
> > > > > [New Thread 1024 (LWP 21926)]
> > > > >
> > > > > Program received signal SIGSEGV, Segmentation fault.
> > > > > [Switching to Thread 1024 (LWP 21926)]
> > > > > __strtol_internal (nptr=0x8833618 "", endptr=0x85ccee0,
> > base=139597448,
> > > > > group=1065353216) at eval.c:36
> > > > > 36 eval.c: No such file or directory.
> > > > > in eval.c
> > > > > (gdb) bt
> > > > > #0 __strtol_internal (nptr=0x8833618 "", endptr=0x85ccee0,
> > > > > base=139597448, group=1065353216) at eval.c:36
> > > > > #1 0x0834b82a in SkyTextureState::SkyTextureState (this=0x8833618)
> > > > > at SkyTextureState.cpp:47
> > > > > #2 0x08348a5f in SkyMaterial::SkyMaterial (this=0x8833578) at
> > > > > SkyMaterial.cpp:60
> > > > > #3 0x08348223 in SkyLight::SkyLight (this=0x8833500,
> > > > > eType=SKY_LIGHT_DIRECTIONAL)
> > > > > at SkyLight.cpp:67
> > > > > #4 0x08346ce6 in __static_initialization_and_destruction_0
> > > > > (__initialize_p=1, __priority=65535) at
> > > > > /usr/include/g++-3/stl_multimap.h:52
> > > > > #5 0x08346d8e in global constructors keyed to eType ()
> > > > > at /usr/include/g++-3/stl_multimap.h:75
> > > > > #6 0x083fb895 in __do_global_ctors_aux () at slMODfile.cxx:686
> > > > > #7 0x0804e0ae in _init () at eval.c:41
> > > > > #8 0x40317161 in __libc_start_main (main=0x80573ec <main>, argc=1,
> > > > > ubp_av=0xbffff8ec,
> > > > > init=0x804e098 <_init>, fini=0x8450e80 <_fini>,
> > rtld_fini=0x4000e184
> > > > > <_dl_fini>,
> > > > > stack_end=0xbffff8dc) at ../sysdeps/generic/libc-start.c:122
> > > > >
> > > > > FWIW I have done things like:
> > > > > - uninstall SimGear and plib, and reinstalled.
> > > > > - I have done a cvs co from our uiuc "mirror" and a cvs
> > update -dP from
> > > > > the fgfs site. I get the same segfault w/ both versions of
> > the code. -
> > > > > As compared w/ the last version that worked, there has been
> > a bunch of
> > > > > new 3D cloud work and runway lighting (I think).
> > > > > - I also installed metakit from the tarball in
> > SimGear/src-lib, but I
> > > > > speculate that I did not really need to do that.
> > > > > - Through all of these gyrations, my version from 8/20/02
> > still compiles
> > > > > and runs w/ the new SimGear and plib.
> > > >
> > > > Hmm, this looks like its in the 3D clouds code ... you might
> > try running
> > > > with it disabled using: --disable-clouds3d
> > > > Beyond that, I'm not going to be much help.
> > > >
> > > > > Regards,
> > > > > Michael
> > > > >
> > > > > > > Regards,
> > > > > > > Michael
> > > > > > >
> > > > > > >
> > > > > > > _______________________________________________
> > > > > > > Flightgear-devel mailing list
> > > > > > > [EMAIL PROTECTED]
> > > > > > > http://mail.flightgear.org/mailman/listinfo/flightgear-devel
> > > > > >
> > > > > >--
> > > > > >Tony Peden
> > > > > >[EMAIL PROTECTED]
> > > > > >We all know Linux is great ... it does infinite loops in 5 seconds.
> > > > > >-- attributed to Linus Torvalds
> > > > > >
> > > > > >
> > > > > >_______________________________________________
> > > > > >Flightgear-devel mailing list
> > > > > >[EMAIL PROTECTED]
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> > > > >
> > > > > _______________________________________________
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> > >
> > >
> > >_______________________________________________
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> > >[EMAIL PROTECTED]
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> >
> >
> >
> > **************************************************
> > Prof. Michael S. Selig
> > Dept. of Aero/Astro Engineering
> > University of Illinois at Urbana-Champaign
> > 306 Talbot Laboratory
> > 104 South Wright Street
> > Urbana, IL 61801-2935
> > (217) 244-5757 (o), (509) 691-1373 (fax)
> > mailto:m-selig@;uiuc.edu
> > http://www.uiuc.edu/ph/www/m-selig
> > http://www.uiuc.edu/ph/www/m-selig/faq.html (FAQ)
> > **************************************************
> >
> >
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>
>
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--
Curtis Olson IVLab / HumanFIRST Program FlightGear Project
Twin Cities [EMAIL PROTECTED] [EMAIL PROTECTED]
Minnesota http://www.menet.umn.edu/~curt http://www.flightgear.org
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