I think this MMAP_DEBUG should be turned off in HEAD. Leave the code in place so I can turn it back on if needed.
Carl K Index: import_v4l.c =================================================================== RCS file: /cvstc/transcode/import/v4l/import_v4l.c,v retrieving revision 1.17 diff -r1.17 import_v4l.c 46a47 > #undef MMAP_DEBUG