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Bug 2070119

Summary: Dedicated VM (topology: Threads:2 Cores:7 Sockets:2) starts without vCPU-pCPU mapping
Product: [oVirt] ovirt-engine Reporter: Polina <pagranat>
Component: BLL.VirtAssignee: Liran Rotenberg <lrotenbe>
Status: CLOSED CURRENTRELEASE QA Contact: Polina <pagranat>
Severity: high Docs Contact:
Priority: unspecified    
Version: 4.5.0CC: ahadas, bugs
Target Milestone: ovirt-4.5.0Keywords: ZStream
Target Release: 4.5.0.1Flags: sbonazzo: ovirt-4.5+
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: ovirt-engine-4.5.0.1 Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2022-04-20 06:33:59 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: Virt RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
engine log none

Description Polina 2022-03-30 12:42:08 UTC
Created attachment 1869387 [details]
engine log

Description of problem:Dedicated VM (topology: Threads:2 Cores:7 Sockets:2)starts without vCPU-pCPU mapping neither in dump xml nor in GET VMs response


Version-Release number of selected component (if applicable):
ovirt-engine-4.5.0.1-604.1733554f434a.12.el8ev.noarch

How reproducible: 100%

Steps to Reproduce:
1. Configure the dedicated VM with Thread(s):2 Core(s):7 Socket(s):2 
2. Run on host with topology Thread(s):2 Core(s):8 Socket(s):2 (could be reproduced on serval18.lab.eng.tlv2.redhat.com)

Actual results:
The VM starts without dynamic_cpu in GET VM Rest APi response and without vcpupin in virshdump xml , see attached files

Expected results: must be vcpu - pcpu pinning


Additional info:

Comment 1 Sandro Bonazzola 2022-04-12 06:58:13 UTC
$ git tag --contains d973c5ffdf1e90f0542f88283013ddbd6f1b8554
ovirt-engine-4.5.0.1
ovirt-engine-4.5.0.2

Comment 2 Polina 2022-04-18 08:36:52 UTC
verified on ovirt-engine-4.5.0.2-0.7.el8ev.noarch

tested on host serval18.lab.eng.tlv2.redhat.com
host lscpu - 
CPU(s):              32
On-line CPU(s) list: 0-31
Thread(s) per core:  2
Core(s) per socket:  8
Socket(s):           2
NUMA node(s):        2

Comment 3 Sandro Bonazzola 2022-04-20 06:33:59 UTC
This bugzilla is included in oVirt 4.5.0 release, published on April 20th 2022.

Since the problem described in this bug report should be resolved in oVirt 4.5.0 release, it has been closed with a resolution of CURRENT RELEASE.

If the solution does not work for you, please open a new bug report.