Avida exits with segmentation fault

[Arnaud Soyez]

Avida just terminates and gives an segmentation fault error.
I have avida-base and avida-viewer installed.

~/avida$ cp /usr/share/avida/* . -r
~/avida$ avida-primitive
Instruction Library has 4 instructions.
<cHardware4Stack::initInstLib> debug: important post-init values:
 --- GetSize(): 36
 --- GetNumNops(): 4
 --- GetName(last): Inject

<cHardwareCPU::initInstLib> Instruction Library has 3 instructions.
<cHardwareCPU::initInstLib> debug: important post-init values:
 --- GetSize(): 181
 --- GetNumNops(): 3
 --- GetName(last): skip

Avida version 2.0b7
Copyright (C) 1993-2003 California Institute of Technology.

Avida comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions. See file COPYING for details.

Random Seed: 0 -> 13850185
Warning: SPECIAL_MUT_LINE not in "genesis", defaulting to: -1
Warning: BASE_SIZE_MERIT not in "genesis", defaulting to: 0
Warning: VIEW_MODE not in "genesis", defaulting to: 0
Warning unknown lines in input file 'genesis':
 120: MAX_NUM_TASKS_REWARDED -1
ENV: Loading file 'environment.cfg'.
ENV: Loading reaction 'NOT' with trigger 'not'.
ENV: Loading reaction 'NAND' with trigger 'nand'.
ENV: Loading reaction 'AND' with trigger 'and'.
ENV: Loading reaction 'ORN' with trigger 'orn'.
ENV: Loading reaction 'OR' with trigger 'or'.
ENV: Loading reaction 'ANDN' with trigger 'andn'.
ENV: Loading reaction 'NOR' with trigger 'nor'.
ENV: Loading reaction 'XOR' with trigger 'xor'.
ENV: Loading reaction 'EQU' with trigger 'equ'.
Loaded Instruction Library "inst_set.default" with 26 instructions.
Initializing Population...<cPopulation>
Building world 60x60 = 3600 organisms.
Geometry: Torus
...Building Integrated Time Slicer...
Segmentation fault

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: avida-base 2.0b7-4.2ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Wed Jun 8 09:52:11 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: avida
UpgradeStatus: No upgrade log present (probably fresh install)