<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi,<div class=""><br class=""></div><div class="">We’re setting up 4 new compute nodes in our openstack Pike setup and 2 of them are behaving strangely, despite having the same hardware as the others. When I try to create a new instance on these compute nodes, the instance fail to spawn and the following error message appears in the log :</div><div class=""><br class=""></div>2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager Traceback (most recent call last):<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2203, in _build_resources<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager yield resources<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2018, in _build_and_run_instance<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager block_device_info=block_device_info)<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 2898, in spawn<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager block_device_info=block_device_info)<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 5220, in _get_guest_xml<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager context)<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 5035, in _get_guest_config<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager flavor, virt_type, self._host)<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/vif.py", line 558, in get_config<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager vnic_type)<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/vif.py", line 521, in _get_config_os_vif<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager inst_type, virt_type, vnic_type)<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/vif.py", line 134, in get_base_config<br class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager virt=virt_type)<br class=""><div class="">2019-05-24 15:13:35.559 16944 ERROR nova.compute.manager UnsupportedHardware: Requested hardware 'virtio1.0-net' is not supported by the 'kvm' virt driver </div><div class=""><br class=""></div><div class="">After doing some research on google, I understand that this happens when the network interface model is defined as virtio1.0-net in the xml that’s fed to libvirt and libvirt does not consider that a valid name for a network interface model.</div><div class="">That said, why is Nova passing that model name to libvirt? I understand that it comes from libosinfo, but how is Nova getting that (wrong) information? If I look on other compute nodes, the model for the network interface is simply virtio.</div><div class=""><br class=""></div><div class="">Best regards,</div><div class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">Jean-Philippe Méthot</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">Openstack system administrator</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">Administrateur système Openstack</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">PlanetHoster inc.</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class=""><br class=""></div><br class="Apple-interchange-newline">
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