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IDProjectCategoryView StatusLast Update
0016868CentOS-7qemu-kvmpublic2019-12-27 12:37
Reportergordan 
PriorityhighSeverityblockReproducibilityalways
Status newResolutionopen 
Product Version 
Target VersionFixed in Version 
Summary0016868: Latest qemu from CentOS 8 CR repository removes hyperv enlightenments
Descriptionqemu-kvm 15:2.12.0-88.module_el8.1.0+248+298dec18 is broken.

When pre-existing VMs try to start, if they use hyperv enlightenments (e.g. hyperv clock, synic and others needed to resolve serious Windows guest performance regressions), the VM refuses to start with the error that the host doesn't support the required feature.

qemu-kvm 15:2.12.0-65.module_el8.0.0+189+f9babebb.5 is the previous version that works.

This is quite a serious regression that will result in guest VMs no longer starting if they use hyperv enlightenments.
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Date Modified Username Field Change
2019-12-27 12:37 gordan New Issue