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xen-devel
Re: [Xen-devel] only one CPU is detected when dom0 boots up
* Yu, Ping Y <ping.y.yu@xxxxxxxxx> [2006-05-25 11:59]:
> Harper,
>
> You are right! The default build configuration linux-defconfig_xen0_x86_64/
> linux-defconfig_xen0_x86_32 is UP, and we have manually changed the default
> configure to make it SMP. We noticed that "uname -a" shows the dom0's kernel
> is
> SMP, but the problem is that only one CPU is found when dom0 boots up.
> With the same change, we know at least change set 10033 is OK to boot with
> multiple CPUs.
Make sure CONFIG_HOTPLUG_CPU is also enabled. After having both
CONFIG_SMP and CONFIG_HOTPLUG_CPU, try:
xm vcpu-set 0 2
replacing 2 with however many cpu's you think dom0 should have.
--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253 T/L: 678-9253
ryanh@xxxxxxxxxx
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