Okay, I can confirm that the program crash also happens with a JSBSim
aircraft. I used the the A320 (sorry David, the 737 autopilot appears not to
support waypoint following, so I couldn't use it, for testing purposes).
Since threading doesn't appear to make a difference, I enabled it again for
smoother performance.
Note that this is with AI traffic activated and again, the crash is triggered
by FGAIMgr::update().
Same parameters as in previous tests, but now with the A320, and I crashed
over Iceland (at 65:30:07.5N, 17:47:36.78W), about 10 miles Akureyri Airport
(BIAR).
Cheers Durk
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 27369)]
0x404acb3d in memmove () from /lib/i686/libc.so.6
(gdb) bt
#0 0x404acb3d in memmove () from /lib/i686/libc.so.6
#1 0x083c8f23 in ssgList::sizeChk() (this=0xa20c69c) at ssgList.cxx:74
#2 0x083c8e6d in ssgList::addEntity(ssgEntity*) (this=0xa20c69c,
entity=0xe2b13c0) at ssgList.cxx:55
#3 0x083c3c13 in ssgBranch::addKid(ssgEntity*) (this=0xe2b13c0,
entity=0xa20c69c) at ssg.h:1185
#4 0x0835c5db in SGModelPlacement::init(ssgBranch*) (this=0xe8e508c,
model=0x56b83fad) at placement.cxx:53
#5 0x080a0c31 in FGAIEntity::SetModel(ssgBranch*) (this=0xe8e508c,
model=0x56b83fad) at AIEntity.cxx:57
#6 0x0809bb97 in FGAIMgr::GenerateSimpleAirportTraffic(std::string, double)
(this=0xa20c69c, ident=
{static npos = 4294967295, _M_dataplus = {<allocator<char>> = {<No
data fields>}, _M_p = 0x4b43c89c "BIAR"}, static _S_empty_rep_storage = {0,
0, 0, 0}}, min_dist=0) at AIMgr.cxx:445
#7 0x0809c7cb in FGAIMgr::SearchByPos(double) (this=0x97e79a8, range=25) at
AIMgr.cxx:541
#8 0x0809a732 in FGAIMgr::update(double) (this=0x97e79a8, dt=0.013292) at
AIMgr.cxx:178
#9 0x080545fd in fgMainLoop () at globals.hxx:263
#10 0x080859f2 in GLUTidle () at fg_os.cxx:110
#11 0x400a504a in idleWait () from /usr/lib/libglut.so.3
#12 0x400a576d in glutMainLoop () from /usr/lib/libglut.so.3
#13 0x08056572 in fgMainInit(int, char**) (argc=4, argv=0x7) at main.cxx:1718
#14 0x080513bf in main (argc=4, argv=0xbffff2d4) at bootstrap.cxx:148
(gdb)
On Friday 09 April 2004 20:40, David Culp wrote:
> > Now, I'd like to rerun this test using a JSBsim aircraft. What's a good
> > JSBsim match to the 747?
>
> You could use the 737. Just edit the engine config, CFM56_sim.xml, to
> reset the TSFC value to something like 0.1
>
> That will give you the endurance you want.
>
>
> Dave
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