On Tue, 2007-07-24 at 09:24 -0600, Karl Larsen wrote: > Mem: 482776k total, 475472k used, 7304k free, 29076k buffers > Swap: 0k total, 0k used, 0k free, 163588k cached [...] > This means it was using the swap partition on the hard drive. What swap partition? Your system doesn't have any swap(?!?). Your memory usage is almost completely saturated and you have *NO* swap to fall back on. If it hasn't already then you're kernel freemem killer is very soon going to start cutting the legs from beneath random programs all over your process list.
