Tuesday, 2021-06-08

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opendevreviewVlad Gusev proposed openstack/nova stable/stein: Honor [neutron]http_retries in the manual client  https://review.opendev.org/c/openstack/nova/+/79513800:27
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opendevreviewYongli He proposed openstack/nova master: Smartnic support - cyborg drive  https://review.opendev.org/c/openstack/nova/+/77136207:27
opendevreviewYongli He proposed openstack/nova master: smartnic support - new vnic type  https://review.opendev.org/c/openstack/nova/+/77136307:27
opendevreviewYongli He proposed openstack/nova master: smartnic support  https://review.opendev.org/c/openstack/nova/+/75894407:27
opendevreviewYongli He proposed openstack/nova master: smartnic support - reject server move and suspend  https://review.opendev.org/c/openstack/nova/+/77991307:27
opendevreviewYongli He proposed openstack/nova master: smartnic support - functional tests  https://review.opendev.org/c/openstack/nova/+/78014707:27
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slaweqhi nova team09:04
slaweqin one of neutron jobs I have errors in nova-compute, like https://df08b3f27c09a85d3fe8-f65209ceca8d59b8b2f1e727ebf5e4dd.ssl.cf2.rackcdn.com/periodic/opendev.org/openstack/neutron/master/devstack-tobiko-faults-centos/d402aac/compute1/logs/screen-n-cpu.txt09:04
slaweqdo You maybe know what can be the reason of such issue?09:04
slaweqI have virt_type=qemu set there09:04
slaweqand cpu_mode=None09:05
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lyarwoodstephenfin: morning, if you get a chance today can you hit https://review.opendev.org/c/openstack/nova/+/794639 please?09:31
lyarwoodhttps://review.opendev.org/q/topic:%2522bug/1905701%2522+status:open+branch:master is also ready for review if anyone has time09:31
* lyarwood is going to be afk for a few hours this afternoon but back this evening making up time FWIW09:31
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kashyapgibi: Hey, today's the upstream call, yeah?  I'd like to bring this (fairly mechanical thing) up today - https://blueprints.launchpad.net/nova/+spec/add-bochs-display-device10:00
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kashyapgibi: WIP here: https://review.opendev.org/q/topic:%22bp%252Fadd-bochs-display-device%22+(status:open%20OR%20status:merged)10:02
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sean-k-mooneyslaweq: it looks like that job is trying to enable sev es to be availe in the guest without kvm10:27
sean-k-mooneylibvirt.libvirtError: internal error: unknown feature amd-sev-es10:28
slaweqsean-k-mooney yeah, but there is nothing like that configured in the job10:29
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slaweqand that's actually weird for me :)10:29
slaweqsean-k-mooney I think we may be hitting https://bugzilla.redhat.com/show_bug.cgi?id=1961562 there10:29
opendevmeetbugzilla.redhat.com bug 1961562 in libvirt "vm can not start with error as "internal error: unknown feature amd-sev-es"" [Urgent,Verified] - Assigned to phrdina10:29
sean-k-mooneyslaweq: ya its not a nova bug10:30
slaweqbut would be great if You could confirm that :)10:30
sean-k-mooneywe are not requesting it in the xml so this a libvirt /qemu issue on the amd host10:30
sean-k-mooneyah ok10:31
sean-k-mooneyso that looks like the exact same issue10:32
sean-k-mooney Error from libvirt when retrieving domain capabilities for arch i686 / virt_type qemu / machine_type q35: [Error Code 1]: internal error: unknown feature amd-sev-es {{(pid=75619) _add_to_domain_capabilities /opt/stack/nova/nova/virt/libvirt/host.py:982}}10:32
sean-k-mooneyslaweq: as a workaround you could likely define a cpu model that did not support sev-es10:33
slaweqsean-k-mooney thx, I will try that10:34
sean-k-mooneycpu_mode=custom cpu_model=EPYC-IBPB10:35
sean-k-mooneyin the libvirt section10:35
sean-k-mooneycpu_mode=none in the libvirt driver on x86 is equvalent to cpu_mode=host-model10:35
sean-k-mooneyalthough it is actully generating <cpu match="exact"> with qemu instead of kvm10:36
sean-k-mooneywhich i tought was the same as host-passthough not host-model since there is no model specified10:37
slaweqok, so setting cpu_mode=custom cpu_model=EPYC-IBPB in the job should helps to workaround that issue, correct?10:37
sean-k-mooneyyes i think so but only if we know that all the host support that10:41
sean-k-mooneyif we dont know that we have other options10:41
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sean-k-mooneywe could go with cpu_model=kvm64 or proably Nehalem-IBRS10:42
slaweqsean-k-mooney that job is running in the u/s ci so I can't be sure that all providers will support that EPYC-IBPB10:43
sean-k-mooneycpu_model=Nehalem-IBRS while an intel plathform is very clouse to the new x86 featrel level that is being used to compile rhel 9 with10:43
slaweqand also tests in that job don't need any advanced cpu features so I think that I would try with as much "generic" type as possible10:44
sean-k-mooneyslaweq: i would try cpu_model=Nehalem-IBRS then and if that dows not work try falling back to qemu6410:44
slaweqsean-k-mooney ok, thx a lot10:44
slaweqI will try that10:44
kashyapslaweq: The EPYC-IBPB model will only work if ... obviously your host supports it10:44
kashyapYou can check it via `virsh cpu-models x86_64`10:44
kashyap("it" == supported models by your libvirt+QEMU)10:45
slaweqkashyap I actually can't check it like that in the zuul ci jobs10:45
sean-k-mooneykashyap: this is running on upshift which is hosted by vexhost using i would guess there new amd eypc zen2 servers10:45
sean-k-mooneyassuming they are all the same then they are second gen epyc cpus from 2 years ago but nehalem is ~8-11 years old so it should be emulatable on anything that is still in production today10:47
kashyapI see10:47
stephenfinlyarwood: took me a bit but +2 on https://review.opendev.org/c/openstack/nova/+/794639 now. sean-k-mooney might be interested if they've time10:53
sean-k-mooneyi can re review it now10:55
stephenfinlyarwood: also, can you send an email to openstack-discuss RE: https://review.opendev.org/c/openstack/nova/+/794252. They're likely totally useless but we've always done it historically10:56
sean-k-mooneystephenfin: well10:57
sean-k-mooneyfor PCI passthrough attach, from '_attach_direct_passthrough_ports': not relevant since these clearly can't be virtio devices10:57
sean-k-mooneythey can10:57
sean-k-mooneyoh _attach_direct_passthrough_ports10:57
stephenfinReally? That doesn't make much sense to me10:57
sean-k-mooneyi was going to say macvtap and vdpa sriov interface will be virtio10:57
stephenfinOther types of "passthrough", sure10:58
stephenfinYeah10:58
sean-k-mooneyif that is just direct then ya10:58
stephenfinWould be good to double check. I think it is but I might have missed something10:58
sean-k-mooneyim checking now but it shoudl be fine10:59
stephenfinin other news, /me has a briar thorn stuck in his fingertip that he can't remove which is making typing extremely uncomfortable today :-D10:59
sean-k-mooneyattach_interface is the entrypoint that would handel all sriov attach anyway10:59
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sean-k-mooneyouch11:00
sean-k-mooneystephenfin: so right now it should be ok https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L4821-L484011:01
sean-k-mooneyi have worked with prototype nics that expsoed virtio-net-pci devices as VFsd though in the past11:01
sean-k-mooneywith the caveat the i woudl silll like the sev atibetes fo the nices to be handeled in vif.py eventualy im +1 on that change11:08
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opendevreviewStephen Finucane proposed openstack/nova master: docs: Replace 'nova boot' with 'openstack server create'  https://review.opendev.org/c/openstack/nova/+/79400711:13
gibikashyap: ack, I've added to the agenda11:13
stephenfingibi: lyarwood: if you've time this week, could I get your eyes on this follow-up series for the RPC 6.0 change from last cycle. bauzas is +2 on pretty much all of it now https://review.opendev.org/q/topic:"compute_rpc_6.0"+status:open11:13
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sean-k-mooneystephenfin: is that removing the proxy?11:20
stephenfinno, just removing references to instance_type (in favour of flavour)11:20
sean-k-mooneyah ok11:20
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* stephenfin has successfully removed said thorn and takes the opportunity to go for lunch 🎉🎉🎉11:36
gibistephenfin: queued up12:10
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sean-k-mooneylyarwood: so looking at the patch to not destroy secrets on hard reboot i still dont see a test asserting that wehn we do hard reboot that we then pass destroy_secrets=False14:47
sean-k-mooneyyou added https://review.opendev.org/c/openstack/nova/+/793463/4..5/nova/tests/unit/virt/libvirt/test_driver.py#1935214:47
sean-k-mooneyin the most recent version14:48
sean-k-mooneybut that is calling clean up directly14:48
sean-k-mooneyi was asking you to call hard reboot and assert it called cleanup with destroy_secrets=False14:48
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sean-k-mooneywhen is the nova team meeting is it now or in an hour?15:00
* sean-k-mooney has not updated their calandar yet15:00
sean-k-mooneylyarwood: never mind it is caugt by nova.tests.unit.virt.libvirt.test_driver.LibvirtConnTestCase.test_hard_reboot15:02
gibisean-k-mooney: https://wiki.openstack.org/wiki/Meetings/Nova#Agenda_for_next_meeting15:02
gibisean-k-mooney: 16:00 UTC15:02
gibisean-k-mooney: wich is 1 hour from now15:02
sean-k-mooneyyep i need to add that to my calandar15:02
sean-k-mooneythanks15:03
sean-k-mooneygot the ical form here https://meetings.opendev.org/#Nova_Team_Meeting15:05
sean-k-mooneystephenfin: https://review.opendev.org/c/openstack/nova/+/793463 contains a virt driver api change im not sure we are allwowed to backport that15:06
sean-k-mooneystephenfin: at least if we wanted too we would have to mofify the patch15:07
sean-k-mooneyso that if the virt driver did not supprot it we would invoke the api without the new parmater15:07
sean-k-mooneysorry https://review.opendev.org/c/openstack/nova/+/794252/115:07
stephenfinyeah, we need to discuss that. On one hand, it's breaking a stable API. On the other hand, we've clearly said the API isn't actually stable :)15:10
sean-k-mooneywell we basically said out of tree driver are not supproted15:11
sean-k-mooneyane the patch fixes the in tree ones.15:11
sean-k-mooneybut we know out of tree driver are used by vmware for one15:11
sean-k-mooneystephenfin: i guess if thes apis are only called in the virt driver it would be ok15:13
sean-k-mooneyit would only be an issue if destroy and cleanup are called in the compute manager15:14
sean-k-mooneywe would be overloading on the number of keyword arguments15:15
sean-k-mooneyi cant remember if python allows that now or not15:15
kashyapgibi: Afraid, I might not be able to stay for the full meeting - if it lasts longer than 15 min, as I need to run an errand around 18:30 CET...15:16
gibikashyap: then we will start with your topic15:16
kashyapgibi: Thank you! :)15:17
kashyapgibi: And BTW, I agree on moving the meeting to -nova15:17
gibikashyap: thanks for the input15:17
bauzasgibi: others: for what it's worth, I'll be on PTO tomorrow15:31
gibibauzas: ack.15:31
gibibauzas: enjoy15:31
bauzasthanks15:31
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opendevreviewGhanshyam proposed openstack/nova master: DNM: testing  https://review.opendev.org/c/openstack/nova/+/79486315:46
gibinova meeting starts in 10 minutes in #openstack-meeting-315:50
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opendevreviewLuigi Toscano proposed openstack/nova stable/ussuri: Remove broken legacy zuul jobs  https://review.opendev.org/c/openstack/nova/+/79537416:33
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opendevreviewLuigi Toscano proposed openstack/nova stable/ussuri: Remove broken legacy zuul jobs  https://review.opendev.org/c/openstack/nova/+/79537420:40
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opendevreviewMerged openstack/nova master: Remove references to 'instance_type'  https://review.opendev.org/c/openstack/nova/+/77854622:22
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opendevreviewMerged openstack/nova stable/victoria: zuul: Replace grenade and nova-grenade-multinode with grenade-multinode  https://review.opendev.org/c/openstack/nova/+/79467423:21
opendevreviewmelanie witt proposed openstack/nova stable/victoria: [neutron] Get only ID and name of the SGs from Neutron  https://review.opendev.org/c/openstack/nova/+/78725223:32
opendevreviewmelanie witt proposed openstack/nova stable/victoria: Initialize global data separately and run_once in WSGI app init  https://review.opendev.org/c/openstack/nova/+/78505923:34

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