[Flightgear-devel] On line Multi Pilot freezes

[Nick W. <ni...@li...>]

Hi all,

Using latest CVS on Linux.

I get terrible freezes when running on any MP server if I go near any other 
pilots aircraft within 'virtual' 100 yards on ground (especially 'spawning on 
top of another aircraft ~ vice versa) or in flight.  The application locks up 
until either he moves away, or I do.

Framerates drop to zero during this duration, and it can last for 60 to 180 
seconds at a time.  I thought it might be net traffic, but testing reveals 
network traffic is not involved (40Kbs up, < 10 Kbs down when this happens).

The GUI does not refresh at all during this, or if it does, perhaps once every 
30 seconds in a 'slideshow' effect.  When it all gets going again, I am 
usually in dire straits (two minutes flying blind)  and crash.

Tonight, after resetting Harrier and 'spawning' on top of another aircraft, I 
got this, which I think is related:

Warning: invalid line segment passed to IntersectVisitor::addLineSegment(..)
         nan nan nan 2.70741e+06 4.27325e+06 -3.87155e+06 segment ignored..
Unknown exception in the main loop. Aborting...
Possible cause: Cannot allocate memory
Segmentation fault

I am lost what causes this for me.

Nick