On 12/14/06, Andrew Zajac <arzajac at gmail.com> wrote: > The laptop has less ram than the desktop. The desktop does not swap > because there is more ram available. Yes, but once it's all up, it uses less memory than there is, so the problem is somewhere else. Did you check that the hard disk(s) had DMA enabled? sudo hdparm /dev/hda Hervé.