Posted	Nick	Remark
#openstack-cyborg - 2020-11-19
03:54:14	openstack	Minutes (text): http://eavesdrop.openstack.org/meetings/openstack_cyborg/2020/openstack_cyborg.2020-11-19-03.18.txt
03:54:15	openstack	Log: http://eavesdrop.openstack.org/meetings/openstack_cyborg/2020/openstack_cyborg.2020-11-19-03.18.log.html
03:55:51	brinzhang_	bye
05:53:52	openstackgerrit	Brin Zhang proposed openstack/cyborg master: Add project_id description in api_ref https://review.opendev.org/756976
06:27:47	openstackgerrit	Xinran WANG proposed openstack/cyborg-specs master: Cyborg Intel X710 Ethernet Adapter Driver https://review.opendev.org/759545
07:14:46	openstackgerrit	Merged openstack/cyborg master: Add project_id description in api_ref https://review.opendev.org/756976
10:09:43	openstackgerrit	Merged openstack/cyborg-tempest-plugin master: add create accelerator request api test https://review.opendev.org/761121
10:20:44	openstackgerrit	Merged openstack/cyborg-tempest-plugin master: move device profile data to cyborg_data file https://review.opendev.org/761102
10:57:07	openstackgerrit	Merged openstack/cyborg master: improve pep8 check logic https://review.opendev.org/752604
11:18:52	openstackgerrit	Brin Zhang proposed openstack/cyborg master: Change the dependency with the testenv:docs https://review.opendev.org/762983
11:21:02	openstackgerrit	Brin Zhang proposed openstack/cyborg master: Add db migrations test https://review.opendev.org/703286
12:12:24	openstackgerrit	Brin Zhang proposed openstack/cyborg master: Add db migrations test https://review.opendev.org/703286
#openstack-cyborg - 2020-11-20
01:21:35	openstackgerrit	wu.shiming proposed openstack/cyborg master: Dep's should be restricted by upper-constraints https://review.opendev.org/762959
02:26:31	openstackgerrit	Xinran WANG proposed openstack/cyborg-specs master: Cyborg Intel X710 Ethernet Adapter Driver https://review.opendev.org/759545
02:27:24	openstackgerrit	Brin Zhang proposed openstack/cyborg master: Dep's should be restricted by upper-constraints https://review.opendev.org/762959
02:27:24	openstackgerrit	Brin Zhang proposed openstack/cyborg master: Import HTTPStatus instead of http_client https://review.opendev.org/762315
02:27:25	openstackgerrit	Brin Zhang proposed openstack/cyborg master: Change the dependency with the testenv:docs https://review.opendev.org/762983
#openstack-cyborg - 2020-11-23
07:29:33	openstackgerrit	Xinran WANG proposed openstack/cyborg-specs master: Cyborg Intel X710 Ethernet Adapter Driver https://review.opendev.org/c/openstack/cyborg-specs/+/759545
08:25:44	openstackgerrit	Merged openstack/cyborg-specs master: Cyborg Intel X710 Ethernet Adapter Driver https://review.opendev.org/c/openstack/cyborg-specs/+/759545
#openstack-cyborg - 2020-11-25
08:33:34	openstackgerrit	wushiming proposed openstack/cyborg master: Import HTTPStatus instead of http_client https://review.opendev.org/c/openstack/cyborg/+/764134
09:39:46	openstackgerrit	wushiming proposed openstack/cyborg master: Import HTTPStatus instead of http_client https://review.opendev.org/c/openstack/cyborg/+/762315
09:42:24	openstackgerrit	wushiming proposed openstack/cyborg master: Dep's should be restricted by upper-constraints https://review.opendev.org/c/openstack/cyborg/+/762959
#openstack-cyborg - 2020-11-26
03:02:55	swp20	hi Yumeng
03:03:57	Yumeng	hi wenping
03:07:14	xinranwang	Hi all
03:07:21	Yumeng	hi xinranwang
03:07:23	swp20	the question about un-hotplug GPU is because the image is not available for cirros, when i use centos, it's ok for re-hotplug.
03:07:30	swp20	hi xinranwang
03:08:44	Yumeng	swp20: what's the question?
03:09:06	swp20	i asked you on wechat
03:09:35	swp20	un-hotplug not success with qemu driver in use.
03:09:36	Yumeng	let's start the meeting first :)
03:09:37	Yumeng	#startmeeting openstack-cyborg
03:09:38	openstack	Meeting started Thu Nov 26 03:09:37 2020 UTC and is due to finish in 60 minutes. The chair is Yumeng. Information about MeetBot at http://wiki.debian.org/MeetBot.
03:09:39	openstack	Useful Commands: #action #agreed #help #info #idea #link #topic #startvote.
03:09:41	openstack	The meeting name has been set to 'openstack_cyborg'
03:09:46	Yumeng	#topic Roll call
03:09:57	Yumeng	#info Yumeng
03:10:09	xinranwang	#info xinranwang
03:10:10	swp20	#info swp20
03:10:30	Yumeng	#topic Agenda
03:11:18	Yumeng	# topic vgpu
03:11:41	Yumeng	#topic vgpu
03:13:33	Yumeng	swp20: pls continue
03:14:00	Yumeng	are you saying the detach failure in hotplug is because of cirros mssing?
03:14:36	swp20	yeah, the cirros vm process crash when detach the gpu device
03:15:06	swp20	the un-hotplug is not real success in fact.
03:15:58	swp20	cirros image is not support and centos is well.
03:18:13	Yumeng	so vgpu hotplug is not supported in cirros but supported in centos, right?
03:18:51	swp20	i am not sure.
03:18:58	swp20	i means re-hotplug
03:19:27	Yumeng	ok
03:19:43	Yumeng	did you find out why un-hotplug is not successful?
03:19:59	swp20	attach, detach and reattach
03:20:19	swp20	i search the vm log
03:21:12	swp20	there is process crash problem.
03:23:01	Yumeng	is it a occasional case or it crash every time?
03:23:41	swp20	it's high probability
03:23:51	Yumeng	ok
03:24:32	Yumeng	Has this crash ever happend in Centos?
03:25:10	swp20	hasn't met yet.
03:25:25	Yumeng	ok. got taht.
03:25:46	swp20	cool
03:26:08	Yumeng	looks like hotplug is image sensitive.
03:26:32	Yumeng	Thanks wenping for the sharing
03:26:33	swp20	maybe the driver is important.
03:27:09	Yumeng	do you mean nvidia virtualization driver?
03:27:37	swp20	no, i means the driver in image
03:28:03	swp20	gpu is not support well for cirros
03:28:14	swp20	include vgpu
03:28:39	swp20	you can test for vgpu about detach by 'virsh detach-device'
03:29:30	Yumeng	yes, the VFIO mdev driver is very important. nvidia virtualization driver version must be well match the image version
03:29:48	Yumeng	ok. will try when I got time
03:30:01	swp20	cool
03:30:13	Yumeng	I also have a vGPU issue to discuss with you
03:30:20	Yumeng	about the vGPU support
03:30:26	swp20	yep
03:30:58	swp20	i think in the time of bind arq is better
03:31:03	swp20	to create mdev
03:31:42	swp20	attach_handle is too early
03:32:20	Yumeng	yes, I also think so.
03:32:20	swp20	and maintain task is heavy
03:33:58	swp20	so let's confirm this.
03:34:07	Yumeng	xinranwang what do you think?
03:35:29	Yumeng	Sylvain prefer create mdev in generate attach_handle. sean and gibi is fine with either
03:36:14	Yumeng	from my perspective, I also prefer creating medv when arq bind
03:37:24	xinranwang	if gpu's type is determined, the max number of vfs is also determined, right?
03:37:51	Yumeng	yes
03:38:15	Yumeng	but if it is changed, we need to delete all the created ones and create new ones
03:38:19	xinranwang	if we do not create mdev at attach_handle generation step, how many vfs should we report?
03:38:26	Yumeng	even if they were never used.
03:40:11	Yumeng	xinranwang: the maximum number
03:40:36	Yumeng	in the inventory, we always report the maximum number
03:40:43	xinranwang	ok, got it.
03:41:39	xinranwang	it seems create mdev during binding is more efficient. we just create it when we use it.
03:42:41	Yumeng	yes, that's also how I mentioned in nova spec.
03:42:42	xinranwang	does mdev creation spend much time?
03:42:48	Yumeng	not much.
03:43:12	xinranwang	will it fail in some cases?
03:44:28	Yumeng	I tested in my env, but it was not a big number of VMs. create mdev is very fast

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