[link|http://groups-beta.google.com/group/linux.debian.user/msg/8940ed4a4ea50f44?dmode=source|Google Groups]:

also it would help, when your system is dug deep into swap run:

ps auxw >~/ps.log


You'll have to dig around for information on interpreting that file, but it might help you track things a little better.

HTH. GL!

Cheers,
Scott.