On Tue, Aug 01, 2006 at 08:38:13PM +0100, Albert Graham wrote: > My machine just locked up, /var/log/messages show a single line message > > Aug 1 20:01:32 agraham kernel: Eeek! page_mapcount(page) went negative! > (-1) The only recent reports of this I've seen have been from users of the nvidia binary module. Is this the case here too ? The reports did seem to tail off, so it's possible they fixed something in their newer versions. Dave > The following is the log from a "BUG: soft lockup" I get today. May be related to the same problem. Something that should happen in a split-second took an extraordinary time to complete, so the kernel complained. Dave -- http://www.codemonkey.org.uk