With Fsopen engaged:
==========================================================================
DEBUG SPEW: No debug_filter.cfg found, so only general, error, and warning
categories can be shown and no debug_filter.cfg info will be saved.
==========================================================================
Opened log '/Users/layne-o-matic/Library/FS2_Open/data/fs2_open.log', Tue Aug 28 11:24:48 2012 ...
FreeSpace 2 Open version: 3.6.13.9055
Passed cmdline options:
-fov 1.1
-missile_lighting
-glow
-spec
-3dshockwave
-fb_explosions
-ballistic_gauge
-dualscanlines
-orbradar
-rearm_timer
-3dwarp
-ship_choice_3d
-weapon_choice_3d
-warp_flash
-snd_preload
-mod mediavps_3612,cockpitmod
-ati_swap
-fps
Building file index...
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_Advanced.vp' with a checksum of 0x4b8b0f5a
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_AnimGlows.vp' with a checksum of 0x6a554026
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/mv_arcadia.vp' with a checksum of 0xc735f19b
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_Assets.3612.vp' with a checksum of 0x59649c21
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_Assets.vp' with a checksum of 0x529cc70f
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_cockpits.vp' with a checksum of 0xefa17062
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_Effects.3612.vp' with a checksum of 0x9c510aa0
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_Effects.vp' with a checksum of 0xb9a9a485
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_RadarIcons.vp' with a checksum of 0x31dd7781
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_Root.3612.vp' with a checksum of 0x7c9d7e74
Found root pack '/Volumes/80G Mini Drive/Freespace/mediavps_3612/MV_Root.vp' with a checksum of 0x6ffd5c78
Found root pack '/Volumes/80G Mini Drive/Freespace/NextGenRender.vp' with a checksum of 0x17353e54
Found root pack '/Volumes/80G Mini Drive/Freespace/Root_fs2.vp' with a checksum of 0x9087c512
Found root pack '/Volumes/80G Mini Drive/Freespace/smarty_fs2.vp' with a checksum of 0xddeb3b1e
Found root pack '/Volumes/80G Mini Drive/Freespace/sparky_fs2.vp' with a checksum of 0x164fe65a
Found root pack '/Volumes/80G Mini Drive/Freespace/sparky_hi_fs2.vp' with a checksum of 0xa11d56f1
Found root pack '/Volumes/80G Mini Drive/Freespace/stu_fs2.vp' with a checksum of 0xd77da83a
Found root pack '/Volumes/80G Mini Drive/Freespace/tango1_fs2.vp' with a checksum of 0x4c25221e
Found root pack '/Volumes/80G Mini Drive/Freespace/tango2_fs2.vp' with a checksum of 0x86920b82
Found root pack '/Volumes/80G Mini Drive/Freespace/tango3_fs2.vp' with a checksum of 0x705e8d71
Found root pack '/Volumes/80G Mini Drive/Freespace/warble_fs2.vp' with a checksum of 0xd85c305d
ASSERTION: "max_size > header_offset" at cfile.cpp:1733
Future debug output directed to: /Users/layne-o-matic/Library/FS2_Open/data/fs2_open.log
Retail Fs2, with nothing engaged.
==========================================================================
DEBUG SPEW: No debug_filter.cfg found, so only general, error, and warning
categories can be shown and no debug_filter.cfg info will be saved.
==========================================================================
Opened log '/Users/layne-o-matic/Library/FS2_Open/data/fs2_open.log', Tue Aug 28 11:26:32 2012 ...
FreeSpace 2 Open version: 3.6.13.9055
Passed cmdline options:
-fov 1.1
-missile_lighting
-glow
-spec
-3dshockwave
-fb_explosions
-ballistic_gauge
-dualscanlines
-orbradar
-rearm_timer
-3dwarp
-ship_choice_3d
-weapon_choice_3d
-warp_flash
-snd_preload
-mod cockpitmod
-ati_swap
-fps
Building file index...
Found root pack '/Volumes/80G Mini Drive/Freespace/NextGenRender.vp' with a checksum of 0x17353e54
Found root pack '/Volumes/80G Mini Drive/Freespace/Root_fs2.vp' with a checksum of 0x9087c512
Found root pack '/Volumes/80G Mini Drive/Freespace/smarty_fs2.vp' with a checksum of 0xddeb3b1e
Found root pack '/Volumes/80G Mini Drive/Freespace/sparky_fs2.vp' with a checksum of 0x164fe65a
Found root pack '/Volumes/80G Mini Drive/Freespace/sparky_hi_fs2.vp' with a checksum of 0xa11d56f1
Found root pack '/Volumes/80G Mini Drive/Freespace/stu_fs2.vp' with a checksum of 0xd77da83a
Found root pack '/Volumes/80G Mini Drive/Freespace/tango1_fs2.vp' with a checksum of 0x4c25221e
Found root pack '/Volumes/80G Mini Drive/Freespace/tango2_fs2.vp' with a checksum of 0x86920b82
Found root pack '/Volumes/80G Mini Drive/Freespace/tango3_fs2.vp' with a checksum of 0x705e8d71
Found root pack '/Volumes/80G Mini Drive/Freespace/warble_fs2.vp' with a checksum of 0xd85c305d
ASSERTION: "max_size > header_offset" at cfile.cpp:1733
Future debug output directed to: /Users/layne-o-matic/Library/FS2_Open/data/fs2_open.log
I hope this helps, the only difference i've seen is the .vp files that were detected.