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[Rajat Dhasmana <1916750@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Currently the test test_snapshot_create_delete_with_volume_in_use is
failing on devstack-plugin-nfs gate with the following nova error[1].
n-cpu logs[2]

[1] ERROR nova.virt.libvirt.driver [req-9e847496-e25f-475d-8cdf-
0f12ae2bbfe2 req-b8e1cde4-b38f-4c75-98d3-f976153794c3 service nova]
[instance: 6aff2151-c8a3-42aa-95a0-39e10267e782] Error occurred during
volume_snapshot_delete, sending error status to Cinder.:
libvirt.libvirtError: internal error: qemu block name 'json:{"backing":
{"driver": "raw", "file": {"driver": "file", "filename":
"/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-
3c98d95e-a839-4eaf-ba76-325ed3a3a946"}}, "driver": "qcow2", "file":
{"driver": "file", "filename":
"/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-
3c98d95e-a839-4eaf-
ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed"}}' doesn't match
expected '/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57
/volume-3c98d95e-a839-4eaf-
ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed'

[2] https://c21a2e86899d4e33d85a-
8ff305a045ea105f4906486adfb49654.ssl.cf1.rackcdn.com/763516/2/check
/devstack-plugin-nfs-tempest-full-
ussuri/e9e69b9/controller/logs/screen-n-cpu.txt

** Affects: nova
     Importance: Undecided
         Status: New

** Description changed:

  Currently the test test_snapshot_create_delete_with_volume_in_use is
  failing on devstack-plugin-nfs gate with the following nova error[1].
  n-cpu logs[2]
  
- 
- [1] ERROR nova.virt.libvirt.driver [req-9e847496-e25f-475d-8cdf-0f12ae2bbfe2 req-b8e1cde4-b38f-4c75-98d3-f976153794c3 service nova] [instance: 6aff2151-c8a3-42aa-95a0-39e10267e782] Error occurred during volume_snapshot_delete, sending error status to Cinder.: libvirt.libvirtError: internal error: qemu block name 'json:{"backing": {"driver": "raw", "file": {"driver": "file", "filename": "/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-3c98d95e-a839-4eaf-ba76-325ed3a3a946"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-3c98d95e-a839-4eaf-ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed"}}' doesn't match expected '/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-3c98d95e-a839-4eaf-ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed'
+ [1] ERROR nova.virt.libvirt.driver [req-9e847496-e25f-475d-8cdf-
+ 0f12ae2bbfe2 req-b8e1cde4-b38f-4c75-98d3-f976153794c3 service nova]
+ [instance: 6aff2151-c8a3-42aa-95a0-39e10267e782] Error occurred during
+ volume_snapshot_delete, sending error status to Cinder.:
+ libvirt.libvirtError: internal error: qemu block name 'json:{"backing":
+ {"driver": "raw", "file": {"driver": "file", "filename":
+ "/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-
+ 3c98d95e-a839-4eaf-ba76-325ed3a3a946"}}, "driver": "qcow2", "file":
+ {"driver": "file", "filename":
+ "/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-
+ 3c98d95e-a839-4eaf-
+ ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed"}}' doesn't match
+ expected '/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57
+ /volume-3c98d95e-a839-4eaf-
+ ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed'
  
  [2] https://c21a2e86899d4e33d85a-
  8ff305a045ea105f4906486adfb49654.ssl.cf1.rackcdn.com/763516/2/check
  /devstack-plugin-nfs-tempest-full-
  ussuri/e9e69b9/controller/logs/screen-n-cpu.txt

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https://bugs.launchpad.net/bugs/1916750

Title:
  [gate] devstack-plugin-nfs-tempest-full-ussuri job failing

Status in OpenStack Compute (nova):
  New

Bug description:
  Currently the test test_snapshot_create_delete_with_volume_in_use is
  failing on devstack-plugin-nfs gate with the following nova error[1].
  n-cpu logs[2]

  [1] ERROR nova.virt.libvirt.driver [req-9e847496-e25f-475d-8cdf-
  0f12ae2bbfe2 req-b8e1cde4-b38f-4c75-98d3-f976153794c3 service nova]
  [instance: 6aff2151-c8a3-42aa-95a0-39e10267e782] Error occurred during
  volume_snapshot_delete, sending error status to Cinder.:
  libvirt.libvirtError: internal error: qemu block name
  'json:{"backing": {"driver": "raw", "file": {"driver": "file",
  "filename": "/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57
  /volume-3c98d95e-a839-4eaf-ba76-325ed3a3a946"}}, "driver": "qcow2",
  "file": {"driver": "file", "filename":
  "/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-
  3c98d95e-a839-4eaf-
  ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed"}}' doesn't
  match expected
  '/opt/stack/data/nova/mnt/896fb15da6036b68a917322e72ebfe57/volume-
  3c98d95e-a839-4eaf-
  ba76-325ed3a3a946.adb8bb67-dfb5-4ac7-8e95-3643f8a0e8ed'

  [2] https://c21a2e86899d4e33d85a-
  8ff305a045ea105f4906486adfb49654.ssl.cf1.rackcdn.com/763516/2/check
  /devstack-plugin-nfs-tempest-full-
  ussuri/e9e69b9/controller/logs/screen-n-cpu.txt

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