Just for Information: Latest mainline 2.6.36 also shows same problem, if you want I can try latest 2.6.35 mainline to see whether this is because of a Debian or Ubuntu Patch / Config?
uname -a
Linux 2.6.36-020636-generic #201010210905 SMP Thu Oct 21 09:08:58 UTC 2010 GNU/Linux
Just for Information: Latest mainline 2.6.36 also shows same problem, if you want I can try latest 2.6.35 mainline to see whether this is because of a Debian or Ubuntu Patch / Config?
uname -a 020636- generic #201010210905 SMP Thu Oct 21 09:08:58 UTC 2010 GNU/Linux
Linux 2.6.36-