I just updated both my osg and plib versions from cvs (first update
since Christmas).  With both the plib and osg versions I get a sudden
change in sound with black screen and fps down to 1 at about 42 min.
into a X-C from 2V2  to just past HUGO VOR (V366 then V263).

Had to ctrl-alt-del and logout to get the system back.  Running
FC5linux.  AC is pa24-25.  

Error message in Log Window:

OpenAL error (AL_INVALID_VALUE):set_pitch
OpenAL error (AL_INVALID_VALUE):set_volume

in osg version, I also get

Warning: invalid line segment passed to
intersectVisitor::addLineSegment(..)
nan nan nan 1.16372e+06 4.84566e+06 -3.97174e+06 segment ignored

I flew more than 2 hours yesterday without the update with no problems
in plib version and I flew the entire X-C that now bombs in the osg
version before the update.

Need to try some other ac as I have added an egt simulation and OAT
(outside air temperature) as well as making the temp-pressure altitude
correction for true airspeed ring work on the asi-pa24.  But the flight
that did not crash the sim before the SimGear and fgfs source update was
with the pa24 edits already made, so I don't think these changes are
part of this issue.
-- 
Dave Perry <[EMAIL PROTECTED]>


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