** Changed in: linux (Ubuntu Hirsute)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1940107
Title:
libvirtd fails to create VM
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Hirsute:
Fix Committed
Bug description:
[Impact]
libvirtd won't be able to create VMs.
[Test case]
Start a VM using virsh/libvirtd:
virsh start focal
[Potential regression]
Some other processes won't be able to start inside some cgroups.
---------------------------
$ virsh start focal
error: Failed to start domain focal
error: internal error: process exited while connecting to monitor:
ioctl(KVM_CREATE_VM) failed: 22 Invalid argument
2021-08-16T15:11:23.005201Z qemu-system-x86_64: failed to initialize KVM:
Invalid argument
$ sudo dmesg | grep kvm
[ 135.237378] kvm: Nested Virtualization enabled
[ 135.237384] SVM: kvm: Nested Paging enabled
[ 166.209556] kvm [4082]: kvm_vm_worker_thread: cgroup_attach_task_all
failed with err -22
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