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Bug
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Resolution: Done-Errata
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Blocker
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CNV v4.16.0
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5
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False
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False
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virt-launcher-rhel9-container-v4.16.0-291
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CNV-33617 - Dynamic VM reconfiguration
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---
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---
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CNV Virtualization Sprint 255
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No
Description of problem:
VM with Hugepages configured is failing to start VM enters starting phase and VMI shows the following error: message: 'server error. command SyncVMI failed: "LibvirtError(Code=1, Domain=10, Message=''internal error: QEMU unexpectedly closed the monitor (vm=''virt-workload-density-test-free-page-reporting_vm-with-hugepage-1718185748-216692''): 2024-06-12T09:50:39.980563Z qemu-kvm: -device {\"driver\":\"virtio-mem-pci\",\"node\":0,\"block-size\":2097152,\"memdev\":\"memvirtiomem0\",\"prealloc\":true,\"id\":\"virtiomem0\",\"bus\":\"pci.11\",\"addr\":\"0x0\"}: ''block-size'' property has to be at least the page size (0x40000000)'')"' reason: Synchronizing with the Domain failed. status: "False" eventuallly VMi is deleted and VM falls into CrashLoopBackOff
Version-Release number of selected component (if applicable):
How reproducible:
Steps to Reproduce:
1. create a VM with hugepages configured Spec: Template: Spec: Domain: Memory: Guest: 1Gi Hugepages: Page Size: 1Gi 2. start the vm 3.
Actual results:
Vm fails to start
Expected results:
Vm is up and running
Additional info:
Free Page reporting is enabled on the cluster
node hugepages configuration:
[akriti@fedora auth]$ oc describe node node-name | grep -A 22 "Capacity"
Capacity:
cpu: 112
devices.kubevirt.io/kvm: 1k
devices.kubevirt.io/tun: 1k
devices.kubevirt.io/vhost-net: 1k
ephemeral-storage: 1560959280Ki
hugepages-1Gi: 4Gi
hugepages-2Mi: 512Mi
memory: 131428740Ki
nvidia.com/NVIDIA_A2-2Q: 8
pods: 250
Allocatable:
cpu: 111500m
devices.kubevirt.io/kvm: 1k
devices.kubevirt.io/tun: 1k
devices.kubevirt.io/vhost-net: 1k
ephemeral-storage: 1437506328243
hugepages-1Gi: 4Gi
hugepages-2Mi: 512Mi
memory: 125559172Ki
nvidia.com/NVIDIA_A2-2Q: 8
pods: 250
- blocks
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CNV-22067 Real-time conformance test MVP
- In Progress
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CNV-29143 Real-time cluster and VM configuration documentation
- In Progress
- links to
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RHEA-2023:122979 OpenShift Virtualization 4.16.0 Images