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added intro, mention cpulimits/cpuunits
This article summarises various kernel configuration issues.
== ACPI sleep ==
On non-SMP machine, you may disable <code>SMP</code>, this will resolve the conflict.
If you have SMP machine, you can only disable <code>FAIRSCHED</code> and <code>SCHED_VCPU</code>. This will loose some isolation between VEs (CPU scheduling will be performed per-task, not per-VE, and <code>cpuunits</code> and <code>cpulimit</code> settings will not take effect), but it is acceptable solution if your VEs are trusted (and it's hard to imagine untrusted VEs on a notebook ;)
[[Category:Kernel]]
[[Category:HOWTO]]
