13:00:49 #startmeeting sriov 13:00:50 Meeting started Tue Jun 21 13:00:49 2016 UTC and is due to finish in 60 minutes. The chair is moshele. Information about MeetBot at http://wiki.debian.org/MeetBot. 13:00:51 Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. 13:00:53 The meeting name has been set to 'sriov' 13:01:01 hi 13:01:06 let get started 13:01:20 #topic Improving SR-IOV/PCI Passthrough CI 13:01:50 lennyb: can you update on the SR-IOV CI for multlnode 13:02:27 we decided to leave the Docker container and implement multinode CI on 2 physical servers 13:03:14 o/ 13:03:23 currently I have a main job that starts controller and compute, and I am working on reporting logs with restrictions of infra ci and 13:03:49 logging 13:04:01 ok cool 13:04:25 sfinucan: do you have any update on the intel CI? 13:05:08 moshele: Last I checked, it's up, stable and reporting 13:05:40 Waiting on "a week of green" before we look to get voting rights 13:06:08 sfinucan: I meant if you are planning to do multi node CI for NUMA 13:06:12 sfinucan: what has changed ? 13:06:36 sfinucan: ah, yes 13:06:40 the Mellanox CI multi node will test migration with direct port 13:06:51 moshele: ah, yes (whoops) 13:07:15 ok cool 13:07:22 anything more on CI? 13:07:23 lbeliveau: moshele: We were converting from custom scripts etc. to a CI based on upstream 13:07:40 That's done now. Multi-node CI next, I guess 13:07:46 ...once it's stable :) 13:07:59 sfinucan: cool, thanks for the update 13:08:06 sfinican: upstream CI is quit stable 13:08:22 sfinican: do you know who's responsible for multi-node CI ? 13:08:24 lennyb: I mean the Intel NFV CI 13:09:09 lbeliveau: That would be wznoinsk 13:09:28 can move to the next topic 13:09:32 sfinucan: ok thanks 13:09:54 #topic bug fixes 13:10:36 the list of patches under L 20 https://etherpad.openstack.org/p/sriov_meeting_agenda 13:11:00 lbeliveau and I tested the migration patches 13:11:27 I think for now they are good enough 13:11:57 I'll do more test for the race condition, I want to understand that a bit more 13:12:04 so I will try to ping some of the nova cores, but sfinucan you are welcome to review them as well 13:12:26 moshele: will do 13:12:58 lbeliveau: agree, but I guess we can handle the race condition in different patch 13:13:05 moshele: In addition, I've a few bugfixes coming around CPU pinning/NUMA topology. Can I stick them on that etherpad? 13:13:07 absolutely 13:13:17 sfinucan: sure 13:13:29 sfinucan: yes, I'll look at them shortly 13:14:17 anything else on bugs? 13:14:35 I'm good 13:14:49 ditto 13:14:53 #topic Specs for review 13:15:19 we have one more sriov related spec for IRONIC 13:15:32 https://review.openstack.org/#/c/331564/ 13:15:49 this is to push the grub parameters via IPA 13:15:55 there's this one for PCI passthrough without NUMA too 13:15:56 https://review.openstack.org/#/c/298179/ 13:16:15 saneax: this for support SR-IOV with TriplO right 13:16:21 yes 13:16:23 (tl;dr: Don't do PCI passthrough/SR-IOV if you don't have a NUMA topology on the host) 13:17:10 ok sfinucan 13:18:12 to support the spec related to ironic , we have raised a RFE with nova 13:18:14 https://bugzilla.redhat.com//show_bug.cgi?id=1348566 13:18:14 bugzilla.redhat.com bug 1348566 in openstack-nova "[RFE] Provide a mechanism to configure boot params" [Unspecified,New] - Assigned to eglynn 13:18:50 sfinucan, do you have more doc as why? 13:19:14 saneax: I added the ironic spec 13:19:22 saneax: to etherpad 13:19:27 I amnot sure what breaks if NUMA topology is not present and we allow passthrough/SR-IOV 13:19:33 thanks moshele 13:19:41 request for review 13:20:58 sfinucan: you are the NUMA expert can you review https://review.openstack.org/#/c/298179/ 13:21:41 saneax: No more than what's in the commit messag 13:21:55 ok sfinucan, thanks 13:22:08 though I think there might be something on the mailing listr 13:22:51 saneax: Yup, search for 'PCI Based NUMA Scheduling can't really achieve pci numa binding in some cases' 13:23:11 thanks sfinucan 13:23:40 moshele: Don't know about "expert", but I'll check it out :) 13:24:01 *I plan to check it 13:24:28 sfinucan: cool 13:24:32 sfinucan, got the mail thanks - bug https://bugs.launchpad.net/nova/+bug/1551504 13:24:32 Launchpad bug 1551504 in OpenStack Compute (nova) "I/O (PCIe) Based NUMA Scheduling can't really achieve pci numa binding in some cases." [Medium,In progress] - Assigned to Jinquan Ni (ni-jinquan) 13:25:24 moving to my spec User-controlled SR-IOV ports allocation - https://review.openstack.org/#/c/182242/ 13:25:55 sfinucan: so I need to address the NUMA part 13:26:51 moshele: Yes, you do 13:27:01 I've no idea how to address this myself, I'm afraid :( 13:27:35 sfinucan: I first need to have good understanding of the problem 13:28:03 sfinucan: so maybe we can talk after the meeting 13:28:08 moshele: Sure thing 13:28:28 sfinucan: cool 13:28:55 we also have this spec new spec: tripleo-sriov - https://review.openstack.org/#/c/313872 13:29:18 I haven't review the new updates, I hope to do it this week 13:29:34 anything more about SR-IOV specs? 13:30:08 moshele: Not off the top of my head 13:30:17 moshele: good too 13:30:33 #endmeeting