can reproduce this issue on a current karmic:
c@n:~/Pictures$ du -shL * 16K Picasa Exports c@n:~/Pictures$ du -shL --apparent-size * 10M Picasa Exports c@n:~/Pictures$ uname -a Linux n 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 17:01:44 UTC 2009 x86_64 GNU/Linux
du (GNU coreutils) 7.4
can reproduce this issue on a current karmic:
c@n:~/Pictures$ du -shL *
16K Picasa Exports
c@n:~/Pictures$ du -shL --apparent-size *
10M Picasa Exports
c@n:~/Pictures$ uname -a
Linux n 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 17:01:44 UTC 2009 x86_64 GNU/Linux
du (GNU coreutils) 7.4