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#openstack-nova - 2019-08-30
00:24:34 openstackgerrit Dustin Cowles proposed openstack/nova master: Use SDK for setting instance id https://review.opendev.org/659690
00:24:34 openstackgerrit Dustin Cowles proposed openstack/nova master: Use SDK for add/remove instance info from node https://review.opendev.org/659691
00:24:35 openstackgerrit Dustin Cowles proposed openstack/nova master: Use SDK for getting network metadata from node https://review.opendev.org/670213
00:24:51 dustinc 🤞
00:25:07 dustinc "all tests pass on my machine"
00:35:49 openstackgerrit Takashi NATSUME proposed openstack/nova-specs master: Create specs directory for Ussuri https://review.opendev.org/679364
00:35:55 artom mriedem, ack - thanks for spending time on this
02:14:21 openstackgerrit Fan Zhang proposed openstack/nova master: Clear RequestSpec requested_destination and ignore_hosts in confirm/revert resize. https://review.opendev.org/679212
02:17:53 openstackgerrit Yongli He proposed openstack/nova master: Add server sub-resource topology API https://review.opendev.org/621476
03:50:37 openstackgerrit Merged openstack/nova master: Add FUP unit test for port heal allocations https://review.opendev.org/672142
04:43:30 openstackgerrit Takashi NATSUME proposed openstack/nova-specs master: Create specs directory for Ussuri https://review.opendev.org/679364
05:37:48 openstackgerrit Merged openstack/nova master: Move live_migration test hooks under gate/ https://review.opendev.org/679251
06:59:25 openstackgerrit ya.wang proposed openstack/nova master: vCPU model selection https://review.opendev.org/670298
06:59:26 openstackgerrit ya.wang proposed openstack/nova master: Add compatibility checks for CPU mode and CPU models and extra flags https://review.opendev.org/670299
06:59:26 openstackgerrit ya.wang proposed openstack/nova master: Support reporting multi CPU model traits https://review.opendev.org/670300
07:04:02 openstackgerrit LEIJIE SHA proposed openstack/os-vif master: Fix code bug in document https://review.opendev.org/679382
08:50:34 stephenfin bauzas, sean-k-mooney, alex_xu: You'll probably be interested in Bhagyashri's comments here https://review.opendev.org/#/c/674895/
08:50:58 stephenfin tl;dr: It works as expected but we do need to tweak that config option as noted
08:51:21 sean-k-mooney e.g. default it to true
08:51:47 bauzas yup, makes sense
08:52:06 bauzas what ? I'm not always saying terrible ideas ?
08:52:08 bauzas so sad
08:52:13 bauzas :p
08:54:00 bauzas stephenfin: FWIW, I'll start looking over the rest of the series later in the afternoon
08:55:23 sean-k-mooney by the way thanks to donnyd we now have a multi numa lable in the gate with nested vert adn teh ablity to use hugepages,dpdk,and pinning testing in the gate... os i have a ci job to go right
08:55:40 sean-k-mooney *write
08:56:34 bauzas cool
08:57:41 sean-k-mooney oh by the way i mentioned this to artom alreay but i also figured out how to do nested pci passthough over the weekend
08:57:59 sean-k-mooney e.g. pci passthough from a host all the way to an l2 guest
08:58:35 sean-k-mooney and i might be able to use virtual device in the l1 guest as pci deivce to the l2 guest also.
08:59:21 sean-k-mooney nova cant do it yet due to how we currently generate teh xml but i might be able to use that to test sriov or pci passthough at some point.
08:59:58 kashyap sean-k-mooney: On nested PCI passthrough, have you seen this past blog from DanPB: https://www.berrange.com/posts/2017/02/16/setting-up-a-nested-kvm-guest-for-developing-testing-pci-device-assignment-with-numa/
09:00:05 stephenfin bauzas: Not always terrible. Just mostly terrible ;)
09:00:32 bauzas like proposing to ski over a weekend ?
09:00:54 bauzas I can assume that
09:01:04 stephenfin that was one of the non-terrible ones
09:01:05 sean-k-mooney kashyap i think a few years ago
09:01:46 sean-k-mooney kashyap: once we got a virtula iommu and q35 we could technically do it
09:02:07 sean-k-mooney but the issue is getin ghte right pci tree such that the passthough devices are in there own iommu group
09:03:03 sean-k-mooney and ya i have been advocating creating a pci root per numa node for years at this point
09:03:21 kashyap sean-k-mooney: On virtual IOMMU, there was a talk on its implementation earlier this year at FOSDEM:
09:03:24 kashyap https://archive.fosdem.org/2019/schedule/event/vai_iommu_implementation_using_hw_nested_paging/
09:03:54 kashyap (It's a different approach to existing impl.)
09:04:07 sean-k-mooney ok
09:08:04 sean-k-mooney at this point if qemu supported a virtual device that had sriov support we would have everything we need to be able to test sriov in the gate
09:08:40 sean-k-mooney well assuming we lanned all the reuqired changes in openstack and a cloud provier or two ran that version and hadn the correct flavors
09:10:00 kashyap sean-k-mooney: QEMU supporting an emulated SRIOV device is the key bit -- needs someone familiar with a card to implement it.
09:10:11 kashyap I won't count on it, though
09:10:30 sean-k-mooney there were patches for it before
09:10:34 sean-k-mooney they just never landed
09:11:32 sean-k-mooney kashyap: https://github.com/knuto/qemu
09:11:50 kashyap sean-k-mooney: Yes, I know the author. He works for Oracle
09:12:00 kashyap Last I checked he had a student working on it...but the student left
09:12:23 kashyap Knut ('knuto') introduced the supporting infrastructure for adding an emulated SRIOV card
09:22:53 openstackgerrit Luyao Zhong proposed openstack/nova master: object: Introduce Resource and ResouceList objs https://review.opendev.org/678448
09:22:54 openstackgerrit Luyao Zhong proposed openstack/nova master: Add resources dict into _Provider https://review.opendev.org/678449
09:22:54 openstackgerrit Luyao Zhong proposed openstack/nova master: Retrive the allocations early https://review.opendev.org/678450
09:22:55 openstackgerrit Luyao Zhong proposed openstack/nova master: Claim resources in resource tracker https://review.opendev.org/678452
09:22:55 openstackgerrit Luyao Zhong proposed openstack/nova master: libvirt: Enable driver configuring PMEM namespaces https://review.opendev.org/678453
09:22:56 openstackgerrit Luyao Zhong proposed openstack/nova master: libvirt: report VPMEM resources by provider tree https://review.opendev.org/678454
09:22:56 openstackgerrit Luyao Zhong proposed openstack/nova master: libvirt: Support VM creation with vpmems and vpmems cleanup https://review.opendev.org/678455
09:22:57 openstackgerrit Luyao Zhong proposed openstack/nova master: Parse vpmem related flavor extra spec https://review.opendev.org/678456
09:22:57 openstackgerrit Luyao Zhong proposed openstack/nova master: Add functional tests for virtual persistent memory https://review.opendev.org/678470
09:26:10 openstackgerrit Luyao Zhong proposed openstack/nova master: Retrive the allocations early https://review.opendev.org/678450
09:26:10 openstackgerrit Luyao Zhong proposed openstack/nova master: Claim resources in resource tracker https://review.opendev.org/678452
09:26:11 openstackgerrit Luyao Zhong proposed openstack/nova master: libvirt: Enable driver configuring PMEM namespaces https://review.opendev.org/678453
09:26:11 openstackgerrit Luyao Zhong proposed openstack/nova master: libvirt: report VPMEM resources by provider tree https://review.opendev.org/678454
09:26:12 openstackgerrit Luyao Zhong proposed openstack/nova master: libvirt: Support VM creation with vpmems and vpmems cleanup https://review.opendev.org/678455
09:26:12 openstackgerrit Luyao Zhong proposed openstack/nova master: Parse vpmem related flavor extra spec https://review.opendev.org/678456
09:26:13 openstackgerrit Luyao Zhong proposed openstack/nova master: Add functional tests for virtual persistent memory https://review.opendev.org/678470
09:30:56 openstackgerrit Balazs Gibizer proposed openstack/nova master: Add cold migrate and resize to nova-grenade-multinode https://review.opendev.org/679210
09:37:18 openstackgerrit Stephen Finucane proposed openstack/nova master: Provide HW_CPU_X86_AMD_SEV trait when SEV is supported https://review.opendev.org/638680
09:39:59 sean-k-mooney just tested the v22 iteration of artoms patches and its still working correctly
09:49:23 openstackgerrit Brin Zhang proposed openstack/nova master: Add operator user_id/project_id to the migrations https://review.opendev.org/679413
10:08:10 sean-k-mooney for those not on the neutron channel i just confrimed that cold migration and live migration with vnic_type=direct-physical is broken
10:09:40 sean-k-mooney there are at least two related issues, 1 we do not update the mac on migration and second we do not correctly find the device to detach it on live migration
10:09:58 sean-k-mooney live migration also like has the first issue but its failing before it gets that far
10:12:55 sean-k-mooney it looks like detach works correctly for suspend and the live migration code should be useing the same fucntion i think but maybe its not
10:14:35 sean-k-mooney im going to try and fix this next week and ill file the upstream bug shortly. i think the cold migration behavior is broken all the way back to queens. the live migration behavior is obviouly new since we added that this cycle
10:25:12 stephenfin aspiers: Hit that whole SEV series. Couple of comments left, but ping me when you've tackled them and I'll re-review
10:36:51 artom sean-k-mooney, hey, so how feasible would be to hack together a tempest job that runs https://review.rdoproject.org/r/#/c/18832/ on that new FN flavor?
10:36:57 artom ('morning!)
10:37:34 sean-k-mooney artom: well my nfv test job did actully work a few months ago so i could make it work on FN pretty quick
10:37:42 sean-k-mooney as in today
10:37:54 sean-k-mooney but im currently reworking functional test
10:38:07 sean-k-mooney want me to give it ago when im done
10:38:52 artom sean-k-mooney, that'd be awesome :) whitebox needs a bunch of configs to be set, I can help with those
10:39:26 artom https://review.opendev.org/#/c/678887/ failed with KVM errors, so I'm trying think of other possibilities
10:39:54 sean-k-mooney ya well first thing would be to just get it stacking multinode with a few smoketests. then we can add the plugin
10:40:47 artom Right, baby steps :)
10:40:58 sean-k-mooney artom: i dont see errors in the n-cpu log
10:41:15 sean-k-mooney oh multinode
10:41:40 sean-k-mooney still no erros on the other node
10:42:03 artom sean-k-mooney, no, they're in the qemu logs
10:42:06 artom ex: https://zuul.opendev.org/t/openstack/build/905b52e0b1e84532944f0606b5455381/log/logs/subnode-2/libvirt/qemu/instance-00000005.txt.gz
10:42:33 sean-k-mooney oh thats the kernel bug i mentioned to donnyd
10:42:54 sean-k-mooney actully may be not
10:43:12 sean-k-mooney it could be but that looks like an issue with the cpu model
10:43:29 donnyd i am using host-passthrough on nova
10:43:41 sean-k-mooney its checking for svm with is amds version of vt-x

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