I have the same problem about very high ram and swap usage, and the system becoming very slow. But removing ureadahead and using the Karmic 2.6.31-20 kernel didn't help, so ureadahead is not the problem in my system.
For this other problem maybe bug 560859 is better.
I have the same problem about very high ram and swap usage, and the system becoming very slow. But removing ureadahead and using the Karmic 2.6.31-20 kernel didn't help, so ureadahead is not the problem in my system.
For this other problem maybe bug 560859 is better.