Answering to myself: the taskset needs to be applied to all guest threads, not
just the main process:ps -L -C kvm|awk '/kvm/ {print $2}'| xargs -n1 taskset -c
-p 0-7
Thanks to Daniele for the info! The actual bug is because of certain AMD
processors group cores in different NUMAs and the calcu
I have the same problem after upgrading from squeeze to wheezy. Only the first
half of the cores (4 out of 8) are visible to KVM host. I also have AMD
processor on my HP Proliant DL165 G7 (AMD Opteron(tm) Processor 6136).
The taskset workaround doesn't seem to help. The output of taskset indicat
I have same configuration, and get same error on AMD 9174 CPU
Package: libvirt-bin
Version: 0.9.12-6~bpo60+1
Severity: important
KVM-Hosts only use the first 6 of the available 12 cores on my machine
(HP ProLiant DL385 G7), but i can use taskset to manually pin the qemu-kvm
to the remaining cores.
root@saiga:/home/phils# virsh nodeinfo
CPU model:
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