Comment 20 for bug 373534

I found out more about this problem,
it seems it has something to do with the library folder and the "watch library for new files" setting.

After I installed my new Jaunty I had rhythmbox open and let it watch ~/Music for new files
then I copied all files from my backup in ~/Music, it recognized all, but the time for all MP3s was unkown. This applied for every new MP3 file in ~/Music, also when removing some mp3 files from the folder and the library and moving it back.

but i noticed that when I imported Mp3s manually, i.e. with drag and drop from desktop,
the playtime was detected correctly.

now I created a new Folder ~/Music2 set rhythmbox library to this path and also the watch option.
then removed all files from the library (right-click -> remove) and moved the actual files to ~/Music2 - and BINGO. now the playtime of the files is detected correctly ..

weird bug.