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xen-users
Re: [Xen-users] kernel-xen can not recognize more than 32 cores
Hi
I've installed xen hypervisor 3.0.3 on CentOS 5.5 from CentOS repository.
The hardware I use is a Tyan server with 48 cores( 4*12-cores processors ).
The original CentOS kernel 2.6.18.194 can recognize 48 cores perfectly, but
when I switch to another kernel to use xen, the kernel recognize only 32
cores!
What do you mean by "another kernel" there - CentOS 5.5 supply a -xen
kernel themselves, no?
And just to check, your "new" kernel is compiled for 64 bit, and not 32
bit - 'uname -i' outputs x86_64 - as 32 bit kernel cannot use more than 32
CPUs.
Last, I beleive the 3.0.3 version is a bit misleading, as CentOS follow
RedHat and RedHat's xen 3.0.3 will likely have a lot of patches applied to
it and be some way on from a vanilla Xen 3.0.3. Check the src.rpm for
this.
Kevin
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