I agree it's an issue with xfce4, the window manager, instead of the entire system. will check num lock key. I checked ps before but didn't find anything unusual. will give it another try.
Miod Vallat <[email protected]>g<eo< >> So I'm using a Loongson YeeLoong netbook. I installed XFCE4 without any >> issues, But it will freeze after around 15 minutes, even if I do nothing on >> it. Starting "terminal" will cause it to freeze immediately. >> >> I can still SSH into this netbook after freeze and everything else seems to >> be fine. > >I'm sorry, but this hardly sounds like the system freezing to me. On the >other hand, it sounds from what you are reporting, that the X server (on >an X application, such as the window manager) is misbehaving. > >You might want to check for the state of your `num lock' key, and look >for a process in an unnatural state in a ps output.

