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RHEL 9.x VMs Are Stuck Booting With Kernel Panic

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Problem

  • RHEL 9.x VMs are unable to boot. Booting fails with Kernel Panic. The instance console logs display the following error

Fatal glibc error: CPU does not support x86-64-v2

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Environment

  • Platform9 Managed OpenStack - v5.8 and Higher

  • RHEL 9.x

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Cause

  • Incompatible CPU model on the host causing instance deployment to fail

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Resolution

  • Need to set cpu_mode and cpu_model in /opt/pf9/etc/nova/conf.d/nova_override.conf

[libvirt]
live_migration_uri = qemu+tls://%s/system?no_verify=1&pkipath=/etc/pf9/certs/libvirt
live_migration_flag = VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER, VIR_MIGRATE_LIVE, VIR_MIGRATE_TUNNELLED
cpu_mode = custom
cpu_model = "<Model_name>"

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Additional Information

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