q3map2's StoreSurfaceLightmaps craziness

    /* -----------------------------------------------------------------
       allocate output lightmaps
       ----------------------------------------------------------------- */

    /* note it */
    Sys_Printf( "allocating..." );
    printf("\n"); // THD debug

    /* kill all existing output lightmaps */
    if ( outLightmaps != NULL ) {
        printf("1\n"); // THD debug
        for ( i = 0; i < numOutLightmaps; i++ )
        {
            if (!i) printf("2\n"); // THD debug
            free( outLightmaps[ i ].lightBits );
            free( outLightmaps[ i ].bspLightBytes );
        }
        printf("3\n"); // THD debug
        free( outLightmaps );
        outLightmaps = NULL;
    }
    printf("4\n"); // THD debug

    numLightmapShaders = 0;
    numOutLightmaps = 0;
    numBSPLightmaps = 0;
    numExtLightmaps = 0;

    /* find output lightmap */
    for ( i = 0; i < numRawLightmaps; i++ )
    {
        if (!i) printf("5\n"); // THD debug
        lm = &rawLightmaps[ sortLightmaps[ i ] ];
        FindOutLightmaps( lm );
    }
    printf("6\n"); // THD debug

    /* set output numbers in twinned lightmaps */
    printf("numRawLightmaps: %d\n", numRawLightmaps); // THD debug
    for ( i = 0; i < numRawLightmaps; i++ )
    {
        if (!i) printf("7\n"); // THD debug
        /* get lightmap */
        lm = &rawLightmaps[ sortLightmaps[ i ] ];

        /* walk lightmaps */
        for ( lightmapNum = 0; lightmapNum < MAX_LIGHTMAPS; lightmapNum++ )
        {
            if (!i && !lightmapNum) printf("8\n"); // THD debug
            /* get twin */
            lm2 = lm->twins[ lightmapNum ];
            if ( lm2 == NULL ) {
                continue;
            }
            lightmapNum2 = lm->twinNums[ lightmapNum ];

            /* find output lightmap from twin */
            lm->outLightmapNums[ lightmapNum ] = lm2->outLightmapNums[ lightmapNum2 ];
            lm->lightmapX[ lightmapNum ] = lm2->lightmapX[ lightmapNum2 ];
            lm->lightmapY[ lightmapNum ] = lm2->lightmapY[ lightmapNum2 ];
        }
        if (!i) printf("9\n"); // THD debug
    }
    printf("10\n"); // THD debug
___________________________________________________________________________

Building to bsp: maps/metro.map
Building ./maps/metro.map, stage: bsp
Build command: q3map2 -game unv -bsp -fs_pakpath . -prtfile /tmp/tmp5xm0v5zs_metro.prt -srffile /tmp/tmp6h2200m0_metro.srf -bspfile build/test/map-metro_test.pk3dir/maps/metro.bsp -meta -custinfoparms -samplesize 1 ./maps/metro.map
2.5.17n-git-43d32b8
threads: 8
Q3Map         - v1.0r (c) 1999 Id Software Inc.
Q3Map (ydnar) - v2.5.17n-git-43d32b8
NetRadiant    - v1.5.0n-git-43d32b8 Feb  4 2016 03:21:58
Your map saw the pretty lights from q3map2's BFG
VFS Init: .

--- BSP ---
-bsp argument unnecessary
Use /tmp/tmp5xm0v5zs_metro.prt as portal file
Use /tmp/tmp6h2200m0_metro.srf as surface file
Use build/test/map-metro_test.pk3dir/maps/metro.bsp as bsp file
Creating meta surfaces from brush faces
Custom info parms enabled
Lightmap sample size set to 1x1 units
entering scripts/shaderlist.txt
entering scripts/metro.shader
Loading /data/dev/foreign-maps/map-metro/./maps/metro.map
entering /data/dev/foreign-maps/map-metro/./maps/metro.map
Entity 761 (func_group) has lightmap scale of 0.2500
Entity 762 (func_group) has lightmap scale of 0.1250
Entity 982 (func_group) has lightmap scale of 0.2500
Entity 983 (func_group) has lightmap scale of 0.2500
        0 areaportals
Size: -4096, -7232,  -512 to  4160,  7056,  3072
block size = { 1024 1024 1024 }
BOGUS Entity 39, Brush 0: Entity in solid
Entity 40, Brush 0: Entity in solid
Entity 79, Brush 0: Entity in solid
Entity 92, Brush 0: Entity in solid
Entity 153, Brush 0: Entity in solid
Entity 156, Brush 0: Entity in solid
Entity 184, Brush 0: Entity in solid
Entity 185, Brush 0: Entity in solid
Entity 259, Brush 0: Entity in solid
Entity 261, Brush 0: Entity in solid
Entity 265, Brush 0: Entity in solid
Entity 273, Brush 0: Entity in solid
Entity 375, Brush 0: Entity in solid
Entity 376, Brush 0: Entity in solid
Entity 409, Brush 0: Entity in solid
Entity 414, Brush 0: Entity in solid
Entity 491, Brush 0: Entity in solid
Entity 508, Brush 0: Entity in solid
Entity 551, Brush 0: Entity in solid
Entity 558, Brush 0: Entity in solid
Entity 564, Brush 0: Entity in solid
Entity 607, Brush 0: Entity in solid
Entity 648, Brush 0: Entity in solid
Entity 698, Brush 0: Entity in solid
Entity 702, Brush 0: Entity in solid
Entity 716, Brush 0: Entity in solid
Entity 751, Brush 0: Entity in solid
Entity 782, Brush 0: Entity in solid
Entity 785, Brush 0: Entity in solid
Entity 789, Brush 0: Entity in solid
Entity 790, Brush 0: Entity in solid
Entity 791, Brush 0: Entity in solid
Entity 796, Brush 0: Entity in solid
Entity 797, Brush 0: Entity in solid
Entity 813, Brush 0: Entity in solid
Entity 815, Brush 0: Entity in solid
Entity 816, Brush 0: Entity in solid
Entity 817, Brush 0: Entity in solid
Entity 818, Brush 0: Entity in solid
Entity 819, Brush 0: Entity in solid
Entity 820, Brush 0: Entity in solid
Entity 821, Brush 0: Entity in solid
Entity 822, Brush 0: Entity in solid
Entity 823, Brush 0: Entity in solid
Entity 824, Brush 0: Entity in solid
Entity 826, Brush 0: Entity in solid
Entity 827, Brush 0: Entity in solid
Entity 829, Brush 0: Entity in solid
Entity 833, Brush 0: Entity in solid
Entity 835, Brush 0: Entity in solid
Entity 838, Brush 0: Entity in solid
Entity 839, Brush 0: Entity in solid
Entity 840, Brush 0: Entity in solid
Entity 841, Brush 0: Entity in solid
Entity 842, Brush 0: Entity in solid
Entity 843, Brush 0: Entity in solid
Entity 844, Brush 0: Entity in solid
Entity 845, Brush 0: Entity in solid
Entity 846, Brush 0: Entity in solid
Entity 847, Brush 0: Entity in solid
Entity 848, Brush 0: Entity in solid
Entity 849, Brush 0: Entity in solid
Entity 850, Brush 0: Entity in solid
Entity 851, Brush 0: Entity in solid
Entity 852, Brush 0: Entity in solid
Entity 853, Brush 0: Entity in solid
Entity 854, Brush 0: Entity in solid
Entity 855, Brush 0: Entity in solid
Entity 856, Brush 0: Entity in solid
Entity 857, Brush 0: Entity in solid
Entity 858, Brush 0: Entity in solid
Entity 859, Brush 0: Entity in solid
Entity 860, Brush 0: Entity in solid
Entity 861, Brush 0: Entity in solid
Entity 862, Brush 0: Entity in solid
Entity 863, Brush 0: Entity in solid
Entity 864, Brush 0: Entity in solid
Entity 868, Brush 0: Entity in solid
Entity 869, Brush 0: Entity in solid
Entity 870, Brush 0: Entity in solid
Entity 871, Brush 0: Entity in solid
Entity 872, Brush 0: Entity in solid
Entity 873, Brush 0: Entity in solid
Entity 874, Brush 0: Entity in solid
Entity 875, Brush 0: Entity in solid
Entity 876, Brush 0: Entity in solid
Entity 891, Brush 0: Entity in solid
Entity 892, Brush 0: Entity in solid
Entity 893, Brush 0: Entity in solid
Entity 895, Brush 0: Entity in solid
Entity 896, Brush 0: Entity in solid
Entity 897, Brush 0: Entity in solid
Entity 898, Brush 0: Entity in solid
Entity 899, Brush 0: Entity in solid
Entity 900, Brush 0: Entity in solid
Entity 901, Brush 0: Entity in solid
Entity 902, Brush 0: Entity in solid
Entity 903, Brush 0: Entity in solid
Entity 904, Brush 0: Entity in solid
Entity 915, Brush 0: Entity in solid
Entity 916, Brush 0: Entity in solid
Entity 976, Brush 0: Entity in solid
     1382 leafs filled
writing /tmp/tmp5xm0v5zs_metro.prt
Fog 0 has visible side 1
Fog 1 has visible side 0
Fog 2 has visible side 2
Fog 3 has visible side 3
--- EmitMetaStats ---
    21157 total meta surfaces
    20915 stripped surfaces
      188 fanned surfaces
        0 maxarea'd surfaces
        0 patch meta surfaces
        0 meta verts
        0 meta triangles
--- WriteSurfaceExtraFile ---
Writing /tmp/tmp6h2200m0_metro.srf
Writing build/test/map-metro_test.pk3dir/maps/metro.bsp
Wrote 11.0 MB (11511004 bytes)
       15 seconds elapsed
Building ./maps/metro.map, stage: vis
Build command: q3map2 -game unv -vis -fs_pakpath . -prtfile /tmp/tmp5xm0v5zs_metro.prt -saveprt build/test/map-metro_test.pk3dir/maps/metro.bsp
2.5.17n-git-43d32b8
threads: 8
Q3Map         - v1.0r (c) 1999 Id Software Inc.
Q3Map (ydnar) - v2.5.17n-git-43d32b8
NetRadiant    - v1.5.0n-git-43d32b8 Feb  4 2016 03:21:58
Your map saw the pretty lights from q3map2's BFG
VFS Init: .

--- Vis ---
Use /tmp/tmp5xm0v5zs_metro.prt as portal file
saveprt = true
Loading /data/dev/foreign-maps/map-metro/build/test/map-metro_test.pk3dir/maps/metro.bsp
No portals means no vis, exiting.
        0 seconds elapsed
Building ./maps/metro.map, stage: light
Build command: q3map2 -game unv -light -fs_pakpath . -srffile /tmp/tmp6h2200m0_metro.srf -bspfile build/test/map-metro_test.pk3dir/maps/metro.bsp -lightmapdir build/test/map-metro_test.pk3dir/maps/metro -fast -shade -fill -filter -dirty -patchshadows -samples 2 -samplesize 1 -bouncegrid -fastbounce -bounce 1 -deluxe -lightmapsize 2048 -external ./maps/metro.map
2.5.17n-git-43d32b8
threads: 8
Q3Map         - v1.0r (c) 1999 Id Software Inc.
Q3Map (ydnar) - v2.5.17n-git-43d32b8
NetRadiant    - v1.5.0n-git-43d32b8 Feb  4 2016 03:21:58
Your map saw the pretty lights from q3map2's BFG
VFS Init: .

--- Light ---
--- ProcessGameSpecific ---
 lightning model: quake3
 lightmap size: 128 x 128 pixels
 lightning gamma: 1.000000
 lightmap colorspace: linear
 texture colorspace: linear
 _color colorspace: linear
 lightning compensation: 1.000000
 lightning exposure: 0.000000
 lightgrid scale: 1.000000
 lightgrid ambient scale: 1.000000
 shader lightstyles hack: enabled
 patch shadows: disabled
 deluxemapping: disabled
--- ProcessCommandLine ---
Use /tmp/tmp6h2200m0_metro.srf as surface file
Use build/test/map-metro_test.pk3dir/maps/metro.bsp as bsp file
Lightmap directory set to build/test/map-metro_test.pk3dir/maps/metro
Storing all lightmaps externally
Fast mode enabled for all area lights
Phong shading enabled
Filling lightmap colors from surrounding pixels to improve JPEG compression
Lightmap filtering enabled
Dirtmapping enabled
Patch shadow casting enabled
Adaptive supersampling enabled with 2 sample(s) per lightmap texel
Default lightmap sample size set to 1x1 units
Fast bounce mode enabled
Radiosity enabled with 1 bounce(s)
Generating deluxemaps for average light direction
Default lightmap size set to 2048 x 2048 pixels
Storing all lightmaps externally
Storing all lightmaps externally
entering scripts/shaderlist.txt
entering scripts/metro.shader
Loading /data/dev/foreign-maps/map-metro/./maps/metro.map
Loading /tmp/tmp6h2200m0_metro.srf
Loading /data/dev/foreign-maps/map-metro/./maps/metro.map
entering /data/dev/foreign-maps/map-metro/./maps/metro.map
--- SmoothNormals ---
0...1...2...3...4...5...6...7...8...9... (40)
--- SetupGrid ---
Grid size = { 64, 64, 128 }
   844480 grid points
WARNING: Styled light found targeting
 **WARNING: Styled light found targeting
 **WARNING: Styled light found targeting
 **      859 point lights
        0 spotlights
      537 diffuse (area) lights
       21 sun/sky lights
     1377 total lights
       40 culled lights
--- TraceGrid ---
0...1...2...3...4...5...6...7...8...9... (91)
130 x 224 x 29 = 844480 grid
--- MapRawLightmap ---
0...1...2...3...4...5...6...7...8...9... (32)
158784949 luxels
 81160061 luxels mapped
 28923540 luxels occluded
--- DirtyRawLightmap ---
0...1...2...3...4...5...6...7...8...9... (975)
--- FloodlightRawLightmap ---
0...1...2...3...4...5...6...7...8...9... (0)
        0 custom lightmaps floodlighted
     1377 total lights
        0 culled lights
--- IlluminateRawLightmap ---
0...1...2...3...4...5...6...7...8...9... (492)
158784949 luxels illuminated
--- IlluminateVertexes ---
0...1...2...3...4...5...6...7...8...9... (31)
   147140 vertexes illuminated
--- StoreSurfaceLightmaps ---
Subsampling...sorting...allocating...
4
5
6
numRawLightmaps: 17492
7
8
9
10
storing...
projecting...done.
108761817 luxels used
        0 luxels stored (0.00 percent efficiency)
        0 solid surface lightmaps
        0 identical surface lightmaps, using 0 luxels
        0 vertex forced surfaces
        0 vertex approximated surfaces
       58 BSP lightmaps
       29 total lightmaps
     1126 unique lightmap/shader combinations
       67 custom shaders emitted
Writing build/test/map-metro_test.pk3dir/maps/metro.bsp
Wrote 17.4 MB (18271968 bytes)

--- Radiosity (bounce 1 of 1) ---
0...1...2...3...4...5...6...7...8...9... (1)
   23353 diffuse surfaces
    55790 total lights
     5257 culled lights
--- BounceGrid ---
0...1...2...3...4...5...6...7...8...9... (1798)
--- IlluminateRawLightmap ---
0...1...2...3...4...5...6...7...8...9... (5550)
317525510 luxels illuminated
   147140 vertexes illuminated
--- IlluminateVertexes ---
0...1...2...3...4...5...6...7...8...9... (11)
   294890 vertexes illuminated
--- StoreSurfaceLightmaps ---
Subsampling...sorting...allocating...
1
2
3
4
5