There's not much more to say on this one... it seems very likely that the problem is with the ubuntu 2.6.15 kernel package and has been fixed in more recent revisions. I'd advise building your own kernel, or raising a bug against the kernel package.
There's not much more to say on this one... it seems very likely that the problem is with the ubuntu 2.6.15 kernel package and has been fixed in more recent revisions. I'd advise building your own kernel, or raising a bug against the kernel package.