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@fujisystem(fuji system)

CentOS系で"VirtualBox can't enable the AMD-V extension."が出たとき

Last updated at Posted at 2025-07-05

VirtualBoxが起動できない！なんで・・

なんかとなんかがぶつかってるらしい

AMD系

VirtualBox can't enable the AMD-V extension. Please disable the KVM kernel extension, recompile your kernel and reboot (VERR_SVM_IN_USE).

みたいなのが出る。

対処

$ sudo modprobe -r kvm_amd kvm

Intel系

VD: Backend 'VBoxIsoMaker' does not support async I/O (VERR_NOT_SUPPORTED).
VirtualBox can't operate in VMX root mode. Please disable the KVM kernel extension, recompile your kernel and reboot (VERR_VMX_IN_VMX_ROOT_MODE).

みたいなのが出る。

対処

$ sudo modprobe -r kvm_intel kvm
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