Let me point out a potential pitfall: For a long while I thought my machine was suffering from this bug. However, the real reason for my high IO wait and extremely poor performance was this:
http://www.osnews.com/story/22872/Linux_Not_Fully_Prepared_for_4096-Byte_Sector_Hard_Drives
So everyone should rule out that one first... for me, a repartitioning of my drive helped a lot :).
Let me point out a potential pitfall: For a long while I thought my machine was suffering from this bug. However, the real reason for my high IO wait and extremely poor performance was this:
http:// www.osnews. com/story/ 22872/Linux_ Not_Fully_ Prepared_ for_4096- Byte_Sector_ Hard_Drives
So everyone should rule out that one first... for me, a repartitioning of my drive helped a lot :).