Running flightgear with some information options only results in correct
operation. I get a list of aircraft, for example, or the version number of
FlightGear. However, running flightgear - even with a **complete fresh
installation of cygwin**, produces the following error:

Program received signal SIGSEGV, Segmentation fault.
0x610ae938 in pthread_key_create () from /usr/bin/cygwin1.dll

Typing "where" in gdb gives this trace:

(gdb) where
#0  0x610ae938 in pthread_key_create () from /usr/bin/cygwin1.dll
#1  0x6108dd7f in _sigfe () from /usr/bin/cygwin1.dll
#2  0x59432d52 in ?? ()
#3  0x10022488 in ?? ()
#4  0x10022458 in ?? ()
#5  0x10022488 in ?? ()
#6  0x0022ed88 in ?? ()
#7  0x610af6b7 in pthread::once () from /usr/bin/cygwin1.dll
#8  0x610af6b7 in pthread::once () from /usr/bin/cygwin1.dll
#9  0x6108dd7f in _sigfe () from /usr/bin/cygwin1.dll
#10 0x0022edb8 in ?? ()
#11 0x009aaa05 in _Unwind_SjLj_Register ()
#12 0x009aaa05 in _Unwind_SjLj_Register ()
#13 0x004011ad in main ()

Does anyone know what _Unwind_SjLj_Register() is? Google doesn't show much
at all. In the trace above I find it interesting that this all seems to be
happening in non-FlightGear specific code. I can't see any reference at all
to FlightGear routines.

Jon



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