On Sun, Sep 19, 2010 at 06:24:33PM +0200, Conrad Wood wrote:
>
> a script with my exact steps is below. Result is reproducible.
>
[...]
> echo "Ejecting CPU #4"
> echo "cpu_set 4 offline" | nc ${MONITORHOST} ${MONITORPORT} >/dev/null
>
> printInfo
>
> echo "Setting all available cpus to online..."
> ssh -lroot ${VM} "find /sys/devices/system/cpu/ -type f -path
> '*/cpu?/online' -exec bash -c \"echo 1 >{}\" \;"
It's not clear if you can trust your guests or not. If you can trust
the guest OS, it should be safe to run:
echo 1 > /sys/devices/LNXSYSTM:00/LNXSYBUS:00/LNXCPU:xx/eject
in the guest. A normal linux guest wont reactivate the cpu after
that.
-Kevin
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