Why is my VM running slow
Why is my VM running slow as molasses?
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answered 2013-04-11 13:34:13 -0600
This post is a wiki. Anyone with karma >75 is welcome to improve it.
There is a permissions issue where /dev/kvm is not writable, and the VM's drop into qemu mode which causes the slowdown. You can verify that this is the issue with:
cat /var/log/libvirt/qemu/(internal_id).log | grep -i kvm
In the results, look for:
open /dev/kvm: Permission denied
Could not initialize KVM, will disable KVM support
Fix with:
chgrp kvm /dev/kvm
chmod g+rwx /dev/kvm
Asked: 2013-04-11 13:33:24 -0600
Seen: 2,425 times
Last updated: Apr 11 '13
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