No this is on none of my 6 hosts.

/usr/lib/python3.6/site-packages/vdsm/virt/qemuguestagent.py

    def _qga_call_get_vcpus(self, vm):
        try:
            self.log.debug('Requesting guest CPU info for vm=%s', vm.id)
            with vm.qga_context(_COMMAND_TIMEOUT):
                vcpus = QemuGuestAgentDomain(vm).guestVcpus()
        except (exception.NonResponsiveGuestAgent, libvirt.libvirtError) as e:
            self.log.info('Failed to get guest CPU info for vm=%s, error: %s',
                          vm.id, e)
            self.set_failure(vm.id)
            return {}
        except virdomain.NotConnectedError:
            self.log.debug(
                'Not querying QEMU-GA for guest CPU info because domain'
                'is not running for vm-id=%s', vm.id)
            return {}
        if 'online' in vcpus:
            count = len(taskset.cpulist_parse(vcpus['online']))
        else:
            count = -1
        return {'guestCPUCount': count}


Am 27.12.22 um 12:17 schrieb Arik Hadas:


On Tue, Dec 27, 2022 at 12:52 PM Christoph Timm <ovirt@timmi.org> wrote:
No for me with 4.5.4-1.el8

Do you see the same error in the vdsm log?
The stacktrace below suggests that the fix is not included there, see:
https://github.com/oVirt/vdsm/blob/v4.50.4.1/lib/vdsm/virt/qemuguestagent.py#L797 
 

Am 27.12.22 um 11:22 schrieb Arik Hadas:


On Tue, Dec 27, 2022 at 11:50 AM Christoph Timm <ovirt@timmi.org> wrote:
Hi Fernando,

I have also from time to time this issue.

I can see the following in the vdsm.log if the issue occurs:

2022-12-27 10:38:22,473+0100 ERROR (qgapoller/3) [virt.periodic.Operation] <bound method QemuGuestAgentPoller._poller of <vdsm.virt.qemuguestagent.QemuGuestAgentPoller object at 0x7fbdf00ced68>> operation failed (periodic:187)
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/vdsm/virt/periodic.py", line 185, in __call__
    self._func()
  File "/usr/lib/python3.6/site-packages/vdsm/virt/qemuguestagent.py", line 476, in _poller
    vm_id, self._qga_call_get_vcpus(vm_obj))
  File "/usr/lib/python3.6/site-packages/vdsm/virt/qemuguestagent.py", line 797, in _qga_call_get_vcpus
    if 'online' in vcpus:
TypeError: argument of type 'NoneType' is not iterable

This should have been resolved by https://github.com/oVirt/vdsm/pull/350
 


I had this also in older versions so this is nothing new for me.
Sometimes I can solve it with putting the host in maintenance. But it is coming back after a while.

Best regards
Christoph

Am 19.12.22 um 19:22 schrieb Fernando Hallberg:
Hi all,

I reinstalled one of the ovirt-nodes, with ovirt-4.5.4, and after the reinstallation the agents of the vms connected to this node cannot communicate with the ovirt-engine.

ovirt-engine 4.5.4

any idea?

VMs work perfectly, but the agent doesn't communicate.

Best regards,

Fernando Hallberg



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