On Mon, Jun 16, 2003 at 01:19:59PM -0400, Chuck Swiger wrote: > Stijn Hoop wrote: > > On a lightly loaded server top is misbehaving: it continuously shows all > > CPU states at 0.0% yet my load varies from 0.50 to about 3. Is there > > any explanation for this? > > Maybe. :-) I was going to say that on fast machines, it's not unusual for > processes which start up and then finish quickly to go away before top > "sees" them, but you still see the effect in the aggregate system load.
Yes, that was wat I was babbling about wrt "syncing". > However, that doesn't explain this line: > > > CPU states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 0.0% > idle > > Clutching at straws, maybe top can't read /dev/kmem or something? > Try doing a "MAKEDEV all" in /dev... A reboot solved my problems -- while examining this phenomenon PostgreSQL came to a halt and wouldn't restart due to a lack of available shared memory, although ipcs(1) didn't show any active handles. Since I needed the database server, I had to reboot. I suspect something hardwarish though, I've never seen this kind of weird behaviour before. --Stijn -- The rain it raineth on the just And also on the unjust fella, But chiefly on the just, because The unjust steals the just's umbrella.
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