While slaving Live 7's tempo to Augustus Loop, sometimes the tempo seems to glitch and speed up or slow down momentarily. I have the box checked for rounded tempo values in AL's prefs.
It 's especially common (and problematic) while recording a new clip in Live since it warps the new clip in strange out-of-sync ways.
Also, this:
http://www.ableton.com/forum/viewtopic. ... 260#660260
Augustus Loop 1.7 Sync Problems
Augustus Loop 1.7 Sync Problems
MBP C2D 2.33GHz---Metric Halo MIO 2882