There is a bug about cpuset=auto *Bug 834495*
<https://bugzilla.redhat.com/show_bug.cgi?id=834495> -virt-install
--cpuset=auto breaks [ASSIGNED]
Thanks
yuping
On 07/21/2012 04:40 PM, Jared wrote:
Hi.
I'm trying to create new KVM images using the --cpuset=auto option "to
automatically determine the optimal cpu pinning using numa data" (from the
man page). Problem is, I can't get this to work. The following always
appears in my virt-install.log file when creating a new image:
DEBUG (cli:833) Not setting cpuset: unsupported operand type(s) for *:
'NoneType' and 'int'
I'm pretty sure I do have NUMA support properly configured and enabled and
all of that, but unfortunately I don't have a great deal of experience with
this stuff yet, so I can't guarantee that this isn't a user problem.
I've primarily been following the advice in this guide:
http://berrange.com/posts/2010/02/12/controlling-guest-cpu-numa-affinity-in-libvirt-with-qemu-kvm-xen/
When I run the nodeinfo and capabilities commands, I do get the appropriate
NUM cell(s) and topology output as shown in his examples. Similarly for
freecell, memtune, numatune, and all the other related commands I could find
discussed on the internet. However, no matter what I try, I can't get
virt-install to do the auto pinning for me.
Is there anything else I could be missing? Some library or process
dependency outside of libvirt that I'm missing? or could this be just a bug?
Would appreciate any guidance in troubleshooting and identifying the
problem. I've been working on this off-and-on for a couple nights now and
have had no luck.
Thanks.
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