We discussed that issue in our team meeting today
https://meetings.opendev.org/meetings/networking/2021/networking.2021-07-20-14.00.log.html
Our conclusion is that this is Intel's driver bug and we shouldn't try to
fix/workaround it in Neutron. It should be fixed in the driver's code. So I'm
going to close this bug.
** Changed in: neutron
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/1934957
Title:
[sriov] Unable to change the VF state for i350 interface
Status in neutron:
Won't Fix
Bug description:
When sriov-nic-agent configures VF state, the exception is as follows:
2021-07-08 06:15:47.773 34 DEBUG oslo.privsep.daemon [-] privsep: Exception
during request[139820149013392]: Operation not supported on interface eno4,
namespace None. _process_cmd
/usr/local/lib/python3.6/site-packages/oslo_privsep/daemon.py:490
Traceback (most recent call last):
File
"/usr/local/lib/python3.6/site-packages/neutron/privileged/agent/linux/ip_lib.py",
line 263, in _run_iproute_link
return ip.link(command, index=idx, **kwargs)
File "/usr/local/lib/python3.6/site-packages/pyroute2/iproute/linux.py",
line 1360, in link
msg_flags=msg_flags)
File "/usr/local/lib/python3.6/site-packages/pyroute2/netlink/nlsocket.py",
line 376, in nlm_request
return tuple(self._genlm_request(*argv, **kwarg))
File "/usr/local/lib/python3.6/site-packages/pyroute2/netlink/nlsocket.py",
line 869, in nlm_request
callback=callback):
File "/usr/local/lib/python3.6/site-packages/pyroute2/netlink/nlsocket.py",
line 379, in get
return tuple(self._genlm_get(*argv, **kwarg))
File "/usr/local/lib/python3.6/site-packages/pyroute2/netlink/nlsocket.py",
line 704, in get
raise msg['header']['error']
pyroute2.netlink.exceptions.NetlinkError: (95, 'Operation not supported')
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/oslo_privsep/daemon.py", line
485, in _process_cmd
ret = func(*f_args, **f_kwargs)
File "/usr/local/lib/python3.6/site-packages/oslo_privsep/priv_context.py",
line 249, in _wrap
return func(*args, **kwargs)
File
"/usr/local/lib/python3.6/site-packages/neutron/privileged/agent/linux/ip_lib.py",
line 403, in set_link_vf_feature
return _run_iproute_link("set", device, namespace=namespace, vf=vf_config)
File
"/usr/local/lib/python3.6/site-packages/neutron/privileged/agent/linux/ip_lib.py",
line 265, in _run_iproute_link
_translate_ip_device_exception(e, device, namespace)
File
"/usr/local/lib/python3.6/site-packages/neutron/privileged/agent/linux/ip_lib.py",
line 237, in _translate_ip_device_exception
namespace=namespace)
neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported:
Operation not supported on interface eno4, namespace None.
2021-07-08 06:15:47.773 34 DEBUG oslo.privsep.daemon [-] privsep:
reply[139820149013392]: (5,
'neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported',
('Operation not supported on interface eno4, namespace None.',)) _call_back
/usr/local/lib/python3.6/site-packages/oslo_privsep/daemon.py:511
2021-07-08 06:15:47.774 24 WARNING
neutron.plugins.ml2.drivers.mech_sriov.agent.sriov_nic_agent
[req-661d08fb-983f-4632-9eb4-91585a557753 - - - - -] Device fa:16:3e:66:e4:91
does not support state change:
neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported: Operation
not supported on interface eno4, namespace None.
But the vm network traffic is no problem. We use i350 interface， and I
found these discuss about i350[1][2]. This exception is not impact for
vm traffic, maybe we can ignore it when interface is i350.
[1]https://sourceforge.net/p/e1000/bugs/653/
[2]https://community.intel.com/t5/Ethernet-Products/On-SRIOV-interface-I350-unable-to-change-the-VF-state-from-auto/td-p/704769
version:
neutron-sriov-nic-agent version 17.1.3
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