If you are getting symptoms at the same time every hour, have you checked what is in /etc/cron.hourly?
There is nothing in cron.hourly on my machine (and I don't get freezes every hour).
If you are getting symptoms at the same time every hour, have you checked what is in /etc/cron.hourly?
There is nothing in cron.hourly on my machine (and I don't get freezes every hour).