Revision 31559
still can't get a backtrace, but I continued on with my current save game and shot down another ufo. Error happens when I click the button to fire, same spot as before, but I get a different error message on my console, maybe this will help.
load material file: 'materials/ufocrash.mat'
added light, ambient=0.476837
Starting the game...
Free inventory slots: 893
asdf has joined team 1
music change to David04 (from karlmacklin_geoscape)
music change to TheThings-Slippycurb (from David04)
Free inventory slots client asdf spawn: 948
(player 0) It's team 1's round
asdf has taken control over team 1.
./ufo(Sys_Backtrace+0x1c)[0x58153f]
./ufo[0x58159f]
/lib/libc.so.6[0x7f1dfd1e60a0]
./ufo(Sys_Backtrace+0x1c)[0x58153f]
./ufo(Sys_Error+0xa4)[0x580b13]
./ufo(Sys_InitSignals+0x0)[0x5815b1]
/lib/libc.so.6[0x7f1dfd1e60a0]
Error: Received signal 11.