[Bug 1322681] Re: live-migration --block-migrate <UUID> fails: XML error: CPU feature `pdpe1gb' specified more than once

[Botho Hohbaum]

i had the same problem with icehouse on ubuntu 14.04 LTS and fixed it with the following change in 
/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py

at line 4338 ff i removed

        for f in info['features']:
            cpu.add_feature(vconfig.LibvirtConfigCPUFeature(f))

and replaced it with

        test = []
        for f in info['features']:
            if f not in test:
                test.append(f)
                cpu.add_feature(vconfig.LibvirtConfigCPUFeature(f))

maybe this helps someone until the fix is released.

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https://bugs.launchpad.net/bugs/1322681

Title:
  live-migration --block-migrate <UUID> fails: XML error: CPU feature
  `pdpe1gb' specified more than once

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