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#openstack-nova - 2023-02-16
15:29:13 bauzas ralonsoh: something new https://zuul.opendev.org/t/openstack/build/76f29afe3f134f139a48b537de7029dc
15:29:14 fungi so you're probably right
15:29:23 bauzas fungi: doh
15:29:28 fungi sadly
15:29:35 bauzas ok, I was wanting to query all the recheck messages I wrote
15:29:44 bauzas and since I haven't followed a clear pattern...
15:30:07 fungi could script that through the rest api, but it would be a bit of work
15:30:19 fungi depends on how much you want it, i guess
15:31:28 bauzas well, it was just for a quick lool
15:31:35 bauzas look* even
15:31:37 bauzas nevermind
15:32:16 ralonsoh bauzas, I don't know where this message is coming, but this is the OVS local service
15:32:38 bauzas yup on n-cpu
15:32:55 bauzas but apparently it's enough serious to do a reschedule
15:33:19 bauzas ... which on an AIO doesn't help
15:33:22 bauzas :)
15:34:05 ralonsoh bauzas, actually this is something normal, coming from the python ovs bindings
15:34:05 ralonsoh def __log_wakeup(self, events):
15:34:05 ralonsoh if not events:
15:34:06 ralonsoh vlog.dbg("%d-ms timeout" % self.timeout)
15:34:52 ralonsoh https://github.com/openvswitch/ovs/blob/master/python/ovs/poller.py#L246#
15:37:00 bauzas hmmmm
15:37:23 bauzas I'm able to find another patchset that got the exact failure from the same job on the same test tempest.api.compute.servers.test_list_servers_negative.ListServersNegativeTestJSON
15:37:27 bauzas https://d2746e36843633ae266c-ad135f72b22a132e11a904324fbc4e60.ssl.cf1.rackcdn.com/872413/3/check/tempest-integrated-compute-enforce-scope-new-defaults/5204f72/job-output.txt
15:41:05 ralonsoh bauzas, I'm checking https://44f9259a9cd22acee92d-000061e1666ecf9c52f0643ab3c391ab.ssl.cf1.rackcdn.com/873934/1/check/nova-next/785cc57
15:41:15 ralonsoh for example the first test case failing
15:41:24 ralonsoh test_attach_scsi_disk_with_config_drive
15:42:01 ralonsoh I see the DHCP agent configuring dnsmasq process, I see n-cpu creating the interface, OVS agent receiving this creation event
15:42:17 ralonsoh but I see nowhere in the DHCP agent logs the DHCPREQUEST for this fixed IP
15:42:43 ralonsoh and the tempest test doesn't retrieve the VM logs
15:43:26 dansmith yeah I'm not sure why we're not logging the console in that case
15:43:35 dansmith because we should see that, to know if it's a guest crash
15:46:15 ralonsoh dansmith, qq, this is about the image resources
15:46:25 ralonsoh Feb 15 15:24:26.291000 np0033111254 nova-compute[39923]: DEBUG nova.compute.resource_tracker [None req-a80484d7-0e98-4086-a01f-afda9d54f06b None None] Instance 749a5ad0-e7b8-47f2-8e9c-78896c92b80e actively managed on this compute host and has allocations in placement: {'resources': {'VCPU': 1, 'MEMORY_MB': 128, 'DISK_GB': 1}}. {{(pid=39923) _remove_deleted_instances_allocations /opt/stack/nova/nova/compute/resource_tra
15:46:25 ralonsoh cker.py:1632}}
15:46:32 bauzas despite, none of them show the console log
15:46:38 ralonsoh why are you using 128MB?
15:46:49 ralonsoh cirros should be using 256, right?
15:47:12 bauzas hmmm
15:47:14 dansmith ralonsoh: idk, maybe that was the result of a resize?
15:47:29 bauzas that's a good catch
15:47:35 ralonsoh dansmith, no, this is the VM booting
15:47:41 bauzas I haven't checked the flavors that were related to the cirros failures I saw
15:47:42 ralonsoh first log in the compute agent
15:47:54 dansmith flavors are 42, and 84
15:48:21 ralonsoh 128 and 192
15:48:26 ralonsoh I'll check neutron CI
15:49:52 dansmith 42 is the default, and that's 128M
15:50:19 opendevreview Alexey Stupnikov proposed openstack/nova stable/ussuri: Test aborting queued live migration https://review.opendev.org/c/openstack/nova/+/873575
15:50:34 dansmith 84 is 192M yeah
15:51:06 dansmith so perhaps we're flying too close to the sun with 128M
15:51:38 ralonsoh dansmith, I'm checking what we are using in Neutron
15:52:54 dansmith AFAIK, these are devstack defaults
15:53:10 ralonsoh we use the default values too, 128M
15:53:14 dansmith bumping the flavor memory is likely to result in other instabilities, I fear
15:53:16 ralonsoh {'resources': {'DISK_GB': 1, 'MEMORY_MB': 128, 'VCPU': 1}}
15:53:20 dansmith yeah
15:54:20 ralonsoh if you could retrieve the console logs, that could help
15:54:32 ralonsoh at least to know that the VM tried to request an IP
15:54:43 ralonsoh and, somewhere, this request was dropped
15:55:27 dansmith yeah, we should chat with gmann about it. I can go look at the tempest stuff to figure out why,
15:55:32 dansmith but he probably knows off the top of his head
16:04:19 bauzas ralonsoh: I have a few logs where the guest failed to acquire a lease, sec
16:04:36 bauzas and some where the guest panickjed
16:06:11 sean-k-mooney for what its worht the every increaseign memory requirement for cirrios was one of the reasons i looked at moving us to alpine a few years ago
16:06:20 sean-k-mooney longterm i still think that would be a better approch
16:06:58 dansmith is alpine really going to be smaller than cirros? I mean, that seems odd to me
16:07:10 opendevreview Alexey Stupnikov proposed openstack/nova stable/victoria: Test aborting queued live migration https://review.opendev.org/c/openstack/nova/+/845748
16:07:11 opendevreview Alexey Stupnikov proposed openstack/nova stable/victoria: Add functional tests to reproduce bug #1960412 https://review.opendev.org/c/openstack/nova/+/845753
16:07:22 dansmith so I think we get the automatic console stuff when we use specific waiters for servers to be available
16:07:28 dansmith so that test must use a different one
16:07:52 bauzas oh damn, internal meeting
16:08:13 ralonsoh bauzas, do you have some links? in any case, this is not Nova nor Neutron fault, I think
16:08:14 opendevreview Alexey Stupnikov proposed openstack/nova stable/victoria: Clean up when queued live migration aborted https://review.opendev.org/c/openstack/nova/+/845754
16:08:16 ralonsoh at least in this case
16:08:47 bauzas ralonsoh: yup, which kind of failures do you want to see ? for the dhcp query?
16:09:04 ralonsoh yes and the kernel panic
16:20:57 bauzas ralonsoh: one for segfaults https://storage.bhs.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_da2/821228/7/check/nova-multi-cell/da2689f/job-output.txt
16:23:22 bauzas ralonsoh: that one for kernel panicking https://storage.bhs.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_e4a/821228/7/gate/nova-next/e4ab52f/job-output.txt
16:24:47 bauzas ralonsoh: that one is an interesting case where the default route is already present and metadata goes into weeds https://ae59d1e8526fa7671728-240e4b572b6f89b26c1b0e70b1c00c17.ssl.cf1.rackcdn.com/872413/3/check/nova-multi-cell/5e89e48/job-output.txt
16:27:11 ralonsoh I'll check this last one
16:28:05 ralonsoh bauzas, eh hold on, this could be a problem with the OVN version in Jammy
16:28:27 ralonsoh --> https://review.opendev.org/c/openstack/neutron/+/873684
16:28:59 ralonsoh there is an issue with ovn v22.03.0, included in jammy
16:29:05 ralonsoh and some missing flows for the metadata
16:29:17 ralonsoh Yatin found it and we are skipping those tests
16:29:38 ralonsoh actually we are going to test using a compiled version of OVN
16:29:41 ralonsoh https://review.opendev.org/c/openstack/neutron/+/874112/1
16:30:52 bauzas ack ok
16:51:31 opendevreview Alexey Stupnikov proposed openstack/nova stable/ussuri: Test aborting queued live migration https://review.opendev.org/c/openstack/nova/+/873575
16:51:32 opendevreview Alexey Stupnikov proposed openstack/nova stable/ussuri: Add functional tests to reproduce bug #1960412 https://review.opendev.org/c/openstack/nova/+/873576
17:01:18 opendevreview Alexey Stupnikov proposed openstack/nova stable/ussuri: Clean up when queued live migration aborted https://review.opendev.org/c/openstack/nova/+/873577
17:09:43 opendevreview Alexey Stupnikov proposed openstack/nova stable/ussuri: Clean up when queued live migration aborted https://review.opendev.org/c/openstack/nova/+/873577
17:25:16 fungi ralonsoh: any idea if the fixes have been backported to v22 such that ubuntu could do an sru to patch their packages?
17:25:57 ralonsoh fungi, Yatin opened a bug today: https://bugs.launchpad.net/ubuntu/+source/ovn/+bug/2003056
17:26:02 fungi awesome
17:26:12 ralonsoh (sorry, not today)
17:26:31 fungi i'd hate to see devstack using a bespoke ovn build long-term
17:26:42 fungi here's hoping they're able to patch it
17:27:15 ralonsoh from https://bugs.launchpad.net/ubuntu/+source/ovn/+bug/2003056/comments/4, there should be a new version now (22.04.1, instead of 22.03)

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