Hi,
wow a lot of info to pass through - thank you for your report!
I really think we need to understand the apparmor DENY.
apparmor="DENIED" operation="setrlimit" profile="/usr/sbin/libvirtd" pid=6853
comm="libvirtd" rlimit=memlock value=8694792192
#1 Until then you can either use the disable of apparmor that you used:
$ sudo aa-complain /usr/sbin/libvirtd
$ sudo aa-complain /etc/apparmor.d/libvirt/libvirt-<UUID>
#2 Or as Michael oultined for you the libvirt xml change, but to make all three
here the next workaround would be:
<memtune>
<hard_limit unit='KiB'>16961536</hard_limit>
<soft_limit unit='KiB'>16961536</soft_limit>
</memtune>
But I'd assume that hits the same apparmor block (I'll check)
#3 Or you can just raise the limit beforehand on the running qemu
# get the qemu pid
$ prlimit --pid <qemu pid> --memlock=unlimited
IIRC /dev/vfio/vfio rw, should be in via cgroup_acl in qemu.conf, but I''ll
recreate your case and make sure.
Back with more updates somewhen later today.
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https://bugs.launchpad.net/bugs/1678322
Title:
Ubuntu 17.04 KVM: Can not do hotplug attach
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