> got around to upgrade my Thinkpad X200 (amd64) to 8GB RAM from 2GB. > Since then after resume from sleep X is very laggy. > Not just talking about apps that were open before the sleep/resume > cycle, but also newly started. > > After rebooting the system every thing is dandy. > > Anyone? > Ideas where to start investigating?
This bug is actually known. Mike Larkin discovered that some machines are resuming with some of their high memory uncached. You can use memconfig(8) to force it back to cached. (I don't recall exactly, but it may already show as cacheable, except it isn't).
