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[Matt Riedemann <mriedem.os@xxxxxxxxx>]

Public bug reported:

http://logs.openstack.org/78/554378/3/check/openstack-tox-py27/54b38c0
/job-output.txt.gz#_2018-04-12_21_06_12_011559

2018-04-12 21:06:12.011559 | ubuntu-xenial | {5} nova.tests.unit.virt.xenapi.test_vm_utils.StreamDiskTestCase.test_non_ami [0.029729s] ... FAILED
2018-04-12 21:06:12.011603 | ubuntu-xenial |
2018-04-12 21:06:12.011667 | ubuntu-xenial | Captured traceback:
2018-04-12 21:06:12.011728 | ubuntu-xenial | ~~~~~~~~~~~~~~~~~~~
2018-04-12 21:06:12.011819 | ubuntu-xenial |     Traceback (most recent call last):
2018-04-12 21:06:12.012090 | ubuntu-xenial |       File "/home/zuul/src/git.openstack.org/openstack/nova/.tox/py27/local/lib/python2.7/site-packages/mock/mock.py", line 1305, in patched
2018-04-12 21:06:12.012184 | ubuntu-xenial |         return func(*args, **keywargs)
2018-04-12 21:06:12.012351 | ubuntu-xenial |       File "nova/tests/unit/virt/xenapi/test_vm_utils.py", line 1213, in test_non_ami
2018-04-12 21:06:12.012458 | ubuntu-xenial |         vm_utils.ImageType.KERNEL, None, 'dev')
2018-04-12 21:06:12.012598 | ubuntu-xenial |       File "nova/virt/xenapi/vm_utils.py", line 2266, in _stream_disk
2018-04-12 21:06:12.012700 | ubuntu-xenial |         with utils.temporary_chown(dev_path):
2018-04-12 21:06:12.012839 | ubuntu-xenial |       File "/usr/lib/python2.7/contextlib.py", line 19, in __enter__
2018-04-12 21:06:12.012952 | ubuntu-xenial |         raise RuntimeError("generator didn't yield")
2018-04-12 21:06:12.013045 | ubuntu-xenial |     RuntimeError: generator didn't yield
2018-04-12 21:06:12.013080 | ubuntu-xenial |

http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22vm_utils.ImageType.KERNEL%2C%20None%2C%20'dev')%5C%22%20AND%20tags%3A%5C%22console%5C%22&from=7d

20 hits in 7 days, check and gate, all failures. Looks like maybe this
started around 4/11.

** Affects: nova
     Importance: High
         Status: Confirmed


** Tags: gate-failure testing xenapi

** Tags added: gate-failure

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https://bugs.launchpad.net/bugs/1763535

Title:
  nova.tests.unit.virt.xenapi.test_vm_utils.StreamDiskTestCase.test_non_ami
  intermittently fails

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  http://logs.openstack.org/78/554378/3/check/openstack-tox-py27/54b38c0
  /job-output.txt.gz#_2018-04-12_21_06_12_011559

  2018-04-12 21:06:12.011559 | ubuntu-xenial | {5} nova.tests.unit.virt.xenapi.test_vm_utils.StreamDiskTestCase.test_non_ami [0.029729s] ... FAILED
  2018-04-12 21:06:12.011603 | ubuntu-xenial |
  2018-04-12 21:06:12.011667 | ubuntu-xenial | Captured traceback:
  2018-04-12 21:06:12.011728 | ubuntu-xenial | ~~~~~~~~~~~~~~~~~~~
  2018-04-12 21:06:12.011819 | ubuntu-xenial |     Traceback (most recent call last):
  2018-04-12 21:06:12.012090 | ubuntu-xenial |       File "/home/zuul/src/git.openstack.org/openstack/nova/.tox/py27/local/lib/python2.7/site-packages/mock/mock.py", line 1305, in patched
  2018-04-12 21:06:12.012184 | ubuntu-xenial |         return func(*args, **keywargs)
  2018-04-12 21:06:12.012351 | ubuntu-xenial |       File "nova/tests/unit/virt/xenapi/test_vm_utils.py", line 1213, in test_non_ami
  2018-04-12 21:06:12.012458 | ubuntu-xenial |         vm_utils.ImageType.KERNEL, None, 'dev')
  2018-04-12 21:06:12.012598 | ubuntu-xenial |       File "nova/virt/xenapi/vm_utils.py", line 2266, in _stream_disk
  2018-04-12 21:06:12.012700 | ubuntu-xenial |         with utils.temporary_chown(dev_path):
  2018-04-12 21:06:12.012839 | ubuntu-xenial |       File "/usr/lib/python2.7/contextlib.py", line 19, in __enter__
  2018-04-12 21:06:12.012952 | ubuntu-xenial |         raise RuntimeError("generator didn't yield")
  2018-04-12 21:06:12.013045 | ubuntu-xenial |     RuntimeError: generator didn't yield
  2018-04-12 21:06:12.013080 | ubuntu-xenial |

  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22vm_utils.ImageType.KERNEL%2C%20None%2C%20'dev')%5C%22%20AND%20tags%3A%5C%22console%5C%22&from=7d

  20 hits in 7 days, check and gate, all failures. Looks like maybe this
  started around 4/11.

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