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#openstack-nova - 2026-05-05
16:53:59 Uggla dansmith, no I'm not ok, because you don't want to have fn tests. :) (just kidding)
16:54:08 dansmith Uggla: I added
16:55:13 Uggla dansmith, oh, so it is because I did not see the latest rev yet. But more seriously the spec is IMHO good.
16:56:45 dansmith bauzas: perhaps an easy spec for your morrow
#openstack-nova - 2026-05-06
02:26:11 opendevreview Merged openstack/nova master: Run functional test with threading mode https://review.opendev.org/c/openstack/nova/+/979850
08:16:33 opendevreview ChungWon Lee proposed openstack/nova master: Add regression test for bug #2134375 https://review.opendev.org/c/openstack/nova/+/984900
08:34:45 tafkamax Hi, we have a question regarding live-migrate. Why do some nodes live-migrate really fast and some take many minutes up to 20 or so.
08:35:11 tafkamax I know it copies over RAM. But an VM with 8gb took many minutes and a vm with 24gb took 40 seconds or so.
08:35:15 tafkamax It feels very random.
08:39:59 tafkamax Where can I look for how this works and I can find a deterministic way to see why it varies so much?
09:55:09 opendevreview Kamil Sambor proposed openstack/nova master: Deprecate eventlet concurrency mode https://review.opendev.org/c/openstack/nova/+/987331
10:58:51 opendevreview Elod Illes proposed openstack/nova stable/2025.1: fix: device_by_alias should respect config type https://review.opendev.org/c/openstack/nova/+/984921
13:17:39 opendevreview Stephen Finucane proposed openstack/os-vif master: Drop support for Python 3.10 https://review.opendev.org/c/openstack/os-vif/+/987500
13:23:05 opendevreview sean mooney proposed openstack/nova master: Remove Linux bridge VIF support from Nova https://review.opendev.org/c/openstack/nova/+/957040
13:23:19 stephenfin gibi: Could you re-apply your +2 on https://review.opendev.org/c/openstack/nova/+/986881? I'd to change two jobs to target py311 instead of py310 (see https://review.opendev.org/c/openstack/nova/+/986881/1..4)
13:28:38 opendevreview Stephen Finucane proposed openstack/os-vif master: Remove linux bridge plugin https://review.opendev.org/c/openstack/os-vif/+/941586
13:32:34 opendevreview Stephen Finucane proposed openstack/os-vif master: Remove linux bridge plugin https://review.opendev.org/c/openstack/os-vif/+/941586
13:42:13 gibi stephenfin: done
13:42:24 stephenfin gibi++ ty 🙏
13:46:36 tafkamax hi nova gurus. I am reading about live migration. Would you recommend setting libvirt.live_migration_permit_auto_converge to true or live_migration_permit_post_copy
13:46:36 tafkamax Both are not silver bullets, but i would like to know you guyses experiences in the wild.
13:46:56 tafkamax we have not gotten live migration timeouts
13:46:56 tafkamax but some of them take a long time
13:53:23 sean-k-mooney tafkamax: i generally recoemment prefering post copy over auto converge
13:53:37 sean-k-mooney if you enable both that is what libvirt will do internally
13:54:06 tafkamax ok, i read that in the docs that post-copy seems to be preferred
13:54:25 sean-k-mooney tafkamax: if you have a new enough nova you can also enabel multile tcp connection for live migration which is you pair that with a high bandwith nic helps alot
13:54:38 sean-k-mooney they are technially for 2 diffent things
13:54:53 sean-k-mooney post-copy is for memory bound vms which is typiclly the main issue
13:55:15 sean-k-mooney auto converge is a diffent aprpoch to the same problem where the vm is paused for longer and longer downtimes
13:55:29 sean-k-mooney basiclly to prevent ti form dirting the memory in the first place
13:55:59 sean-k-mooney but post-copy has much lower guest performance impact
13:56:09 tafkamax ok thanks for the info. will look into the tcp connection thing aswell
13:56:26 sean-k-mooney the tadeoff is that it extend the tiem where if there is a network interuption the guest can crash.
13:56:34 sean-k-mooney that is a very very rare event
13:56:46 sean-k-mooney but that is the reason its not on by default upstream
13:57:00 sean-k-mooney we have had post copy on by defualt in our downstream disto for a few years now
16:01:10 opendevreview Merged openstack/nova master: Drop Python 3.10 https://review.opendev.org/c/openstack/nova/+/986881
18:20:27 melwitt elodilles: hey I saw that you had WIP to fix grenade-skip-level-always on stable/2025.1 but I noticed now the failure looks more fundamental i.e. "AttributeError: module 'setuptools.build_meta' has no attribute 'prepare_metadata_for_build_editable'. Did you mean: 'prepare_metadata_for_build_wheel'?"
18:21:12 melwitt not sure if there is a way to fix this or if this is a situation where the job would be better off removed from the branch. FYI for your interest :)
18:22:58 opendevreview Dan Smith proposed openstack/nova-specs master: Add unpin-az spec https://review.opendev.org/c/openstack/nova-specs/+/986539
19:27:15 opendevreview Ghanshyam Maan proposed openstack/nova master: Update policy scope enforcement testing https://review.opendev.org/c/openstack/nova/+/986946
19:34:48 opendevreview Ghanshyam Maan proposed openstack/nova master: DNM: Test removal of enforce_scope https://review.opendev.org/c/openstack/nova/+/986479
19:38:55 opendevreview Merged openstack/nova stable/2026.1: Doc: add short doc section for mdev_class https://review.opendev.org/c/openstack/nova/+/986618
19:40:47 opendevreview Ghanshyam Maan proposed openstack/placement master: Update policy scope enforcement testing https://review.opendev.org/c/openstack/placement/+/987568
19:41:57 opendevreview Ghanshyam Maan proposed openstack/nova master: Update policy scope enforcement testing https://review.opendev.org/c/openstack/nova/+/986946
19:42:03 opendevreview Ghanshyam Maan proposed openstack/nova master: DNM: Test removal of enforce_scope https://review.opendev.org/c/openstack/nova/+/986479
19:51:45 opendevreview Merged openstack/nova stable/2025.1: fix: device_by_alias should respect config type https://review.opendev.org/c/openstack/nova/+/984921
19:51:57 opendevreview Merged openstack/nova stable/2025.1: Add functional reproducer for bug 2102038 https://review.opendev.org/c/openstack/nova/+/952452
20:32:36 opendevreview Merged openstack/nova stable/2025.1: Return HTTP400 for multi spec pci alias if PCI in Placement https://review.opendev.org/c/openstack/nova/+/952453
20:32:47 opendevreview Merged openstack/nova stable/2025.1: Multiple spec per PCI alias limitation https://review.opendev.org/c/openstack/nova/+/952454
20:48:29 opendevreview Merged openstack/nova stable/2025.1: Validated that PCI alias has proper ids https://review.opendev.org/c/openstack/nova/+/952455
20:48:41 opendevreview Merged openstack/nova stable/2025.1: Validate [pci]alias at service startup https://review.opendev.org/c/openstack/nova/+/952456
#openstack-nova - 2026-05-07
02:30:45 opendevreview Merged openstack/nova stable/2025.1: Cache [pci]alias parsing https://review.opendev.org/c/openstack/nova/+/952457
06:03:02 opendevreview ChungWon Lee proposed openstack/nova master: Add regression test for bug #2134375 https://review.opendev.org/c/openstack/nova/+/984900
08:25:37 opendevreview ChungWon Lee proposed openstack/nova master: Fix port remain while error on update port with multi network https://review.opendev.org/c/openstack/nova/+/983672
08:59:44 opendevreview Kamil Sambor proposed openstack/nova master: Deprecate eventlet concurrency mode https://review.opendev.org/c/openstack/nova/+/987331
10:03:44 opendevreview ChungWon Lee proposed openstack/nova master: Fix port remain while error on update port with multi network https://review.opendev.org/c/openstack/nova/+/983672
11:53:20 opendevreview Stephen Finucane proposed openstack/os-vif master: Deprecate version module https://review.opendev.org/c/openstack/os-vif/+/987636
14:43:26 opendevreview Stephen Finucane proposed openstack/osc-placement master: Deprecate version attribute https://review.opendev.org/c/openstack/osc-placement/+/987669
14:45:59 opendevreview Stephen Finucane proposed openstack/os-traits master: Deprecate version attribute https://review.opendev.org/c/openstack/os-traits/+/987671
15:15:09 opendevreview Dan Smith proposed openstack/nova master: Fix resize to unpermitted flavors https://review.opendev.org/c/openstack/nova/+/987704
15:17:46 dansmith Uggla: this ^ is a public security bug fix.. we decided to do this outside embargo because it's not super impactful.. still would be good to try to prioritize review, merge, and backport I think
15:20:38 Uggla dansmith, yep, I set it in the list, I will warn in the next upstream meeting. Btw, I think we can also ask to have it in a sprint.
15:25:20 dansmith I'd rather not mix our downstream team organization with things like this..
15:25:34 dansmith bauzas: FYI ^ about the flavor fix, maybe you can hit that quicker since you have context
15:29:13 bauzas dansmith: already reviewing it :)
15:29:33 dansmith bauzas: nice thanks :D
15:31:07 bauzas +2
15:31:13 bauzas 'd
15:32:04 dansmith excellent thanks..
15:33:59 dansmith maybe gmaan or melwitt could have a looksee
15:43:43 gibi dansmith: do we want to add a release notes to that bugfix? Other that I'm +2
15:44:51 dansmith gibi: I dunno, I don't really think we need renos for every bug fix, especially when it's not changing important behavior. The bug is referenced and it's very detailed, and while it is a security thing, it's not very impactful.
15:45:00 dansmith if you think this needs one for some reason I can surely add it
15:47:17 gibi dansmith: I have no specific reason for a reno so I approved the patch as is
15:47:27 gibi I left a follow up request to consider
16:02:52 elodilles melwitt: unfortunately i haven't found any fix for the grenade-skip-level-always job (unmaintained/2024.1 -> stable/2025.1) yet :/ it's on my TODO (but with lower priority). in nova, it was set non-voting some time ago already. in placement i also added the same workaround to unblock the gate (i'd appreciate a review on the patch o:)): https://review.opendev.org/c/openstack/placement/+/980761
16:31:02 opendevreview Dan Smith proposed openstack/nova master: Refactor get_flavor_by_flavor_id() to require context https://review.opendev.org/c/openstack/nova/+/987723
16:31:23 dansmith gibi: ^ straight from the devil's mouth to your eyeballs. Minimal checking so far, but I'll go over it in more detail in gerrit
16:54:00 gibi dansmith: looks OK to me
16:56:04 dansmith gibi: ack, thanks for catching my typo, I'll rev both quickly
16:59:46 opendevreview Dan Smith proposed openstack/nova master: Refactor get_flavor_by_flavor_id() to require context https://review.opendev.org/c/openstack/nova/+/987723
17:05:09 gibi dansmith: thanks. +2
17:05:43 dansmith o7
17:47:32 sean-k-mooney dansmith: i +1'd no need to pull it form the gate or anythin but it woudl be good to add a release note for this i think
17:48:13 sean-k-mooney the fix looks good overall so no objection to merging it as is
17:57:33 sean-k-mooney gibi: dansmith by the way i have seen the updates on the pci spec. i have not had time to review them and likely wont till next week but
17:57:53 sean-k-mooney i do see the pain point in the configuration options
18:38:22 opendevreview Dan Smith proposed openstack/nova-specs master: Add unpin-az spec https://review.opendev.org/c/openstack/nova-specs/+/986539
20:32:42 sean-k-mooney dansmith: https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/986818 does not fix the image pull failure in the ceph jobs but it shoudl help some fo the other transiant failure. if you keep seeing podman failure perhaps we shoudl condier retrying that step as well
20:33:06 sean-k-mooney dansmith: im assuming the 503 was just a tempry failure so hopefully yoru recheck goes through
20:36:44 sean-k-mooney it failed on https://github.com/openstack/devstack-plugin-ceph/blob/master/devstack/lib/cephadm#L373-L374
20:40:16 sean-k-mooney and we are only usign that to determin which verion of cephadm to install https://github.com/openstack/devstack-plugin-ceph/blob/master/devstack/lib/cephadm#L166-L185
20:40:34 sean-k-mooney so i feel like we could improve that although it may just fail later
#openstack-nova - 2026-05-08
00:39:05 opendevreview Merged openstack/nova master: Fix resize to unpermitted flavors https://review.opendev.org/c/openstack/nova/+/987704
02:09:00 opendevreview ChungWon Lee proposed openstack/nova master: Fix port remain while error on update port with multi network https://review.opendev.org/c/openstack/nova/+/983672
08:32:33 opendevreview Kamil Sambor proposed openstack/nova master: Restore 'fork' start method for daemon mode on Python 3.14 https://review.opendev.org/c/openstack/nova/+/987815
08:38:32 opendevreview Kamil Sambor proposed openstack/nova master: Restore 'fork' start method for daemon mode on Python 3.14 https://review.opendev.org/c/openstack/nova/+/987815
08:39:21 opendevreview Kamil Sambor proposed openstack/nova master: WIP: Restore 'fork' start method for daemon mode on Python 3.14 https://review.opendev.org/c/openstack/nova/+/987815

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