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#openstack-nova - 2022-07-21
13:09:05 bauzas sean-k-mooney: nope
13:09:06 gibi nope
13:09:18 bauzas and I don't see a netsplit
13:09:34 sean-k-mooney looks like the vpn dropped again
13:09:42 sean-k-mooney ok ill fix that
13:54:26 opendevreview Rico Lin proposed openstack/nova master: Add locked_memory extra spec and image property https://review.opendev.org/c/openstack/nova/+/778347
13:54:27 opendevreview Rico Lin proposed openstack/nova master: Add traits for viommu model https://review.opendev.org/c/openstack/nova/+/844507
13:54:27 opendevreview Rico Lin proposed openstack/nova master: libvirt: Add vIOMMU device to guest https://review.opendev.org/c/openstack/nova/+/830646
14:05:19 bauzas folks, I need to disappear for a dentist appointment
14:15:45 EugenMayer sean-k-mooney thank you for helping once again, sorry forgot the mention the obvious!
14:23:44 sean-k-mooney EugenMayer: no worries sorry i did not see how to make it work end to end but happy your prod it working again
15:28:59 opendevreview Amit Uniyal proposed openstack/nova master: For evacuation, ignore if task_state is not None https://review.opendev.org/c/openstack/nova/+/848886
15:28:59 opendevreview Amit Uniyal proposed openstack/nova master: add regression test case for bug 1978983 https://review.opendev.org/c/openstack/nova/+/849104
15:48:04 colby_ one instead of existing. Let me know if you need anything from me as manually deleting the mdevs is not ideal for production at this point.
15:48:04 colby_ sean-k-mooney: bauzas: Still trying to get our vGPU stuff working. Here is the bug I filed: https://bugs.launchpad.net/nova/+bug/1981631. Im happy to be a guinea pig for testing. I can also poke around and help gather any info you need to help identify the issue. I did some logging of python code variables to see what rp(pri device) its trying to use when they are all created already and its def trying to use a new
15:48:30 bauzas colby_: fwiw, I opened a bug against libvirt for it
15:48:47 bauzas colby_: https://bugzilla.redhat.com/show_bug.cgi?id=2109450
15:51:30 colby_ ok thanks! Its good to know its on that end I guess. I guess that is the drawback of using centos8 stream which has the newer version of libvirt
15:52:59 colby_ So will using that new API be backported to older releases once you add that in the next release?
15:53:44 bauzas colby_: or libvirt will fix it
15:55:33 colby_ or are we stuck hoping redhat will add the old functionality back in?
15:55:37 colby_ ah ok
16:01:29 bauzas colby_: tbc, I'm working on a POC to use the new API
16:01:37 bauzas but ideally, the regression should be fixed
16:02:26 colby_ cool. thanks for pointing me to that bug. Ill keep an eye on it.
16:02:28 opendevreview Balazs Gibizer proposed openstack/nova master: Reproducer for bug 1982497 https://review.opendev.org/c/openstack/nova/+/850672
16:23:01 opendevreview Sylvain Bauza proposed openstack/nova master: Reproducer for bug 1951656 https://review.opendev.org/c/openstack/nova/+/850673
17:51:16 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (REST API part) https://review.opendev.org/c/openstack/nova/+/845897
17:51:16 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (Compute API part) https://review.opendev.org/c/openstack/nova/+/831507
17:57:23 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (REST API part) https://review.opendev.org/c/openstack/nova/+/845897
18:24:31 opendevreview liuhuajie proposed openstack/nova master: The default value of the dictionary get method is None, so remove the default value of None in the get method https://review.opendev.org/c/openstack/nova/+/850450
#openstack-nova - 2022-07-22
07:11:33 opendevreview wangkuntian proposed openstack/nova stable/yoga: Modify the command of getting serial console https://review.opendev.org/c/openstack/nova/+/850723
07:18:17 bauzas morning
07:24:05 gibi good morning
08:09:39 Uggla bauzas, hi, I pushed an update version of unshelve to host. If you can have a look.
08:10:02 bauzas Uggla: I'll try but I'm overloaded by the vgpu regression
08:23:08 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (Compute API part) https://review.opendev.org/c/openstack/nova/+/831507
08:23:09 opendevreview wangkuntian proposed openstack/nova master: Modify the command of getting serial console https://review.opendev.org/c/openstack/nova/+/850729
08:23:09 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (REST API part) https://review.opendev.org/c/openstack/nova/+/845897
08:48:56 opendevreview wangkuntian proposed openstack/nova master: Modify the command of getting serial console https://review.opendev.org/c/openstack/nova/+/850734
09:01:52 opendevreview wangkuntian proposed openstack/nova master: Modify the command of getting serial console https://review.opendev.org/c/openstack/nova/+/850729
09:07:53 gibi bauzas: now I managed to get back to your keypair patch and left feedback https://review.opendev.org/c/openstack/nova/+/849133
09:19:57 bauzas gibi: ack, will look
09:53:53 bauzas gibi: thanks for the review, will update it this afternoon
10:24:23 auniyal O/, please have a review this - https://review.opendev.org/c/openstack/nova/+/848886
10:31:00 sean-k-mooney over all it looks ok there are proably some spelling nits that i cant see
10:31:29 sean-k-mooney we dont need the other section in the release note but i have leaft that feedback on the review
11:01:17 gibi I left feedback too
11:01:53 sean-k-mooney auniyal: it would be helpful if you could also mark some fo the coments as resolved
11:03:03 sean-k-mooney im currently in the middle of something downstream so cant really spend much time on the review currently but in general when you push a new revision ist good if you can look at the old commens in gerrit, confirm its adressed and mark them done.
11:08:06 opendevreview Balazs Gibizer proposed openstack/nova master: Prevent instance.save() under mutated migration context https://review.opendev.org/c/openstack/nova/+/850746
11:09:56 gibi fyi: if somebody has an idea to handle the fallout of ^^ (and the parent bug) then I'm all ears as I can only solve this back hacking either instance.save() or the rollback_live_migration_at_destination driver call
11:10:12 gibi s/back/by/
11:15:19 sean-k-mooney gibi: sorry cant load context now but remind me on monday and ill think about it
11:15:34 gibi sean-k-mooney: sure, I know you are knee deep in a DB dump
11:15:49 sean-k-mooney also didnto know that Instance.mutated_migration_context() was a thing
11:16:26 gibi it is a beautiful if you use it in a small scope, but applying to a big scope is dangerous like hell
11:16:41 gibi anyhow it is not super urgent
11:18:17 sean-k-mooney im glad you were able to find the cause of that issue one way or another
11:20:01 gibi it was a tricky one as we have two RPC to the dest during migration rollback, the first is a cast the second is a call. The second one saves the proper instance data but the first one saves the wrong data. However as the first one is cast it can happen _after_ the second call.
11:20:29 sean-k-mooney ah
11:20:40 sean-k-mooney so this is also why its not determinitic
11:20:52 sean-k-mooney also cast_as_call--
11:20:57 gibi it was deterministic for James but it wasn't in a func env
11:21:13 sean-k-mooney well likely because of the cast as call fixutre
11:21:22 gibi yepp
11:21:25 sean-k-mooney that will make it so the cast alwasy happens first
11:21:48 gibi that was the first thing to hide the issue, but then I still had to slow down the execution of the cast to let the call finish first
11:22:06 gibi in real env during the cast we do disk IO (delete disk)
11:22:24 gibi so that could take time and nova switch to the next RPC which is the call
11:22:29 sean-k-mooney well we can do what we did in other case
11:22:49 sean-k-mooney add a lock to the mocked op
11:23:21 sean-k-mooney so that it will block then to the call then unlock to let the cast continue
11:23:22 gibi while locking would force a better serialization of the events it will still create a time window where the db has the wrong instance data
11:23:39 gibi we would save the wrong data first
11:23:40 sean-k-mooney oh i just mean in the func test
11:23:47 gibi ahh
11:24:01 gibi in the func test I used threading.Condition to serialize the thing
11:24:14 sean-k-mooney ack ya same idea
11:24:16 gibi yepp
11:24:19 gibi that is basically a lock
11:24:44 gibi I actually needed two as I had to prevent instance.delete to happen before the cast too :D
11:24:58 sean-k-mooney :) fun
11:25:04 gibi it was indeed :)
11:25:44 sean-k-mooney i have stared and set rp +1 form me on both
11:25:50 sean-k-mooney so ill get back to them monday
11:26:07 gibi ack, thanks
11:37:03 sean-k-mooney gibi: if you respin care to pull https://review.opendev.org/c/openstack/nova/+/850672/1/nova/tests/functional/integrated_helpers.py into its own change first
11:37:22 sean-k-mooney just thinking that might be good to be able to backport seperatly
11:37:27 sean-k-mooney although not required
11:58:46 gibi sean-k-mooney: sure I can, but I guess we will backport the reproducer and the eventual fix anyhow
11:59:14 sean-k-mooney yep its not that important
11:59:37 sean-k-mooney just one of the reaosn i have used the freestanding approch in the past is to not include cast_as_call
12:00:03 sean-k-mooney i.e. if you just use the mixins that is not added unless you do it yourslef in teh func test
12:00:19 gibi sean-k-mooney: true
12:00:39 gibi I'm not sure how easy it would be to move the libvirt functional tests away from the _IntegratedBase
12:01:07 sean-k-mooney i would move it to https://github.com/openstack/nova/blob/master/nova/tests/functional/libvirt/integrated_helpers.py#L23= first
12:02:11 sean-k-mooney but as stephen notes https://github.com/openstack/nova/blob/master/nova/tests/functional/integrated_helpers.py#L1231-L1233=
12:02:24 sean-k-mooney but if we were to remove one or the ohter i would remove _IntegratedTestBase
12:03:07 sean-k-mooney crap meeting

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