this is an issue we encountered on 4.2 and we think is related to libvirt.

Link and headline of suspected patches:

Patch is not related to the underline issue:

https://gerrit.ovirt.org/#/c/85609/7 - spec: update dependencies for CVE-2017-5754,CVE-2017-5753,CVE-2017-5715

Link to Job:

http://jenkins.ovirt.org/job/ovirt-4.1_change-queue-tester/1527

Link to all logs:

http://jenkins.ovirt.org/job/ovirt-4.1_change-queue-tester/1527/artifact/

(Relevant) error snippet from the log:

<error>

 File "/usr/lib64/python2.7/unittest/case.py", line 369, in run
    testMethod()
  File "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 129, in wrapped_test
    test()
  File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 59, in wrapper
    return func(get_test_prefix(), *args, **kwargs)
  File "/home/jenkins/workspace/ovirt-4.1_change-queue-tester/ovirt-system-tests/basic-suite-4.1/test-scenarios/002_bootstrap.py", line 211, in add_cluster
    add_cluster_4(prefix)
  File "/home/jenkins/workspace/ovirt-4.1_change-queue-tester/ovirt-system-tests/basic-suite-4.1/test-scenarios/002_bootstrap.py", line 237, in add_cluster_4
    cpu_family = prefix.virt_env.get_ovirt_cpu_family()
  File "/usr/lib/python2.7/site-packages/ovirtlago/virt.py", line 151, in get_ovirt_cpu_family
    ','.join(cpu_map[host.cpu_vendor].iterkeys())
RuntimeError: Unsupported CPU model: Haswell-noTSX-IBRS. Supported models: IvyBridge,Westmere,Skylake,Penryn,Haswell,Broadwell,Nehalem,Skylake-Client,Broadwell-noTSX,Conroe,SandyBridge,Haswell-noTSX

</error>