I remember Deliplayer used to do this with the Settlers II music (but UADE worked fine there). I've not noticed it with any other tracks.
The track is mod.level6h on http://www.exotica.org.uk/wiki/Disposable_Hero
The version created by UADE 2.13 is Level6H on http://retrotracks.net/music/83
Any ideas what causes this and how to get around it?
On a random note, thanks to Buzz again for the help with the decoders when I first set up RetroTracks. Although I'm not using them anymore (transcoding every audio format in existence on the fly was a nightmare due to relying on the software to always work, and normally it was madly hacked together for some formats) it did form the basis for the original site.
yes, it's a vblank issue
uade123 -x vblank mod.level6h works
also, one can fix the problem for that particular song by running: uade123 --set='epopt=vblank' mod.level6h
after that, the song should play fine
~/.uade2/song.conf then contains the line: md5=535bb71fa3d0cc4ba823fae58034fdee epopt=vblank comment mod.level6h