Comment 24 for bug 484677

Scott says: "If you installed ureadahead from -updates, you need the kernel from -updates too."

The problem is that things from -updates just get installed, but the kernel is pinned for any one release of Ubuntu and updating it would require specific user actions that are not (well) documented anywhere. As a result you get this version skew that apparently is still not resolved in 10 Alpha (according to Ernst).

I disagree with the claim that Upstart is wrong to display these errors: while it might be true that this is normal functioning for ureadahead, it is NOT normal functioning for the configuration in which ureadahead is being used. IOW, the boot speedup SYSTEM (using ureadahead) is not working, and Upstart correctly display error messages about that.