Public bug reported:
Version:
Kilo
Liberty
When I was trying to build instance with sriov port on my child cell, I used
the following command:
nova boot --image 6df3b3d4-3c9e-4772-9f18-b6f42c6a9c77 --flavor 3 --nic
port-id=61c20d21-43fe-487d-9296-893172cb725f --hint
target_cell='api_cell!child_cell' sr-vxlan_vm30
But spawning failed on child_cell compute node. Here are error
information in nova-compute.log:
2016-01-14 11:00:17.246 2908 ERROR nova.compute.manager
[req-9d7fafab-ea2a-43c3-a201-4234db29c572 8a9704e00c44452590c6c8d014ed028a
452b30922b3f42b59743158f695264c9 - - -] [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] Instance failed to spawn
016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] Traceback (most recent call last):
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2660, in
_build_resources
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] yield resources
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2532, in
_build_and_run_instance
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] block_device_info=block_device_info)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 2879, in
spawn
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] write_to_disk=True)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 4844, in
_get_guest_xml
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] memory_backup_file=memory_backup_file)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 4675, in
_get_guest_config
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] network_info, virt_type)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 4818, in
_get_guest_vif_config
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] instance, vif, image_meta, flavor,
virt_type)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/vif.py", line 376, in
get_config
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] inst_type, virt_type)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/vif.py", line 292, in
get_config_hw_veb
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] conf, net_type, profile["pci_slot"],
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] KeyError: 'pci_slot'
In function _create_instances_here() in nova/cells/scheduler.py of Kilo
and Liberty, I found this:
# FIXME(danms): The instance was brutally serialized before being
# sent over RPC to us. Thus, the pci_requests value wasn't really
# sent in a useful form. Since it was getting ignored for cells
# before it was part of the Instance, skip it now until cells RPC
# is sending proper instance objects.
instance_values.pop('pci_requests', None)
The "pci_requests" is discarded by cell scheduler, because of unuseful
instance form.This is the causation of above error.
** Affects: nova
Importance: Undecided
Assignee: likun (li-kun130)
Status: New
** Changed in: nova
Assignee: (unassigned) => likun (li-kun130)
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https://bugs.launchpad.net/bugs/1540764
Title:
build instance fail with sriov port on child cell
Status in OpenStack Compute (nova):
New
Bug description:
Version:
Kilo
Liberty
When I was trying to build instance with sriov port on my child cell, I used
the following command:
nova boot --image 6df3b3d4-3c9e-4772-9f18-b6f42c6a9c77 --flavor 3 --nic
port-id=61c20d21-43fe-487d-9296-893172cb725f --hint
target_cell='api_cell!child_cell' sr-vxlan_vm30
But spawning failed on child_cell compute node. Here are error
information in nova-compute.log:
2016-01-14 11:00:17.246 2908 ERROR nova.compute.manager
[req-9d7fafab-ea2a-43c3-a201-4234db29c572 8a9704e00c44452590c6c8d014ed028a
452b30922b3f42b59743158f695264c9 - - -] [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] Instance failed to spawn
016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] Traceback (most recent call last):
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2660, in
_build_resources
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] yield resources
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2532, in
_build_and_run_instance
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] block_device_info=block_device_info)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 2879, in
spawn
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] write_to_disk=True)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 4844, in
_get_guest_xml
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] memory_backup_file=memory_backup_file)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 4675, in
_get_guest_config
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] network_info, virt_type)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 4818, in
_get_guest_vif_config
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] instance, vif, image_meta, flavor,
virt_type)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/vif.py", line 376, in
get_config
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] inst_type, virt_type)
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/vif.py", line 292, in
get_config_hw_veb
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] conf, net_type, profile["pci_slot"],
2016-01-14 11:00:17.246 2908 TRACE nova.compute.manager [instance:
b91305de-5501-4083-9a0e-0f4bfc942f5c] KeyError: 'pci_slot'
In function _create_instances_here() in nova/cells/scheduler.py of
Kilo and Liberty, I found this:
# FIXME(danms): The instance was brutally serialized before being
# sent over RPC to us. Thus, the pci_requests value wasn't really
# sent in a useful form. Since it was getting ignored for cells
# before it was part of the Instance, skip it now until cells RPC
# is sending proper instance objects.
instance_values.pop('pci_requests', None)
The "pci_requests" is discarded by cell scheduler, because of unuseful
instance form.This is the causation of above error.
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https://bugs.launchpad.net/nova/+bug/1540764/+subscriptions
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