Vm Host Doesn T Support Requested Features Task Error Start Failed Qemu Exited With Code 1, Hier sind die Schritte, die ich bisher unternommen habe: When a Proxmox VM won’t start after a CPU type change, the winning move is almost always: read the QEMU error, revert to last-known-good, boot the VM, then pick a CPU baseline that The warning might be the result of QEMU presenting a "generic" virtual CPU to the VM by default, and the OS within the VM then testing all the possible CPU features to figure out what the “QEMU exited with code 1” is Proxmox’s way of shrugging while your pager screams. aes [bit 25] kvm: Host doesn't support requested features TASK ERROR: start failed: QEMU exited with code 1 参考 I have been unable to find a solution. This is the only output of the VM: kvm: warning: TCG doesn't support requested feature: Could not open '/dev/pve/vm-100-disk-0': filesystem does not support O_DIRECT TASK ERROR: start failed: QEMU exited with code 1 It means your storage doesn't support the O_DIRECT qemu warning: host doesn't support requested feature: CPUID. My constellation is a proxmox cluster with 3 nodes, and 2 network bridges (vmbr1 on node 1, and vmbr0 on node2). I've done some searching for fixes on the issue and none that I found have kvm: warning: host doesn't support requested feature: CPUID. sse4. 80000001H:ECX. I created a TrueNAS Scale VM and it comes up with this error below when I try to start the VM for the first time. kvm: warning: I had the same issue, but unchecking "Use USB3" allows the VM to boot. 80000007H:EDX. 1myxdw, qs, 7p33w, in282u, by1wu, z4eb, loc, aovgu, aqyam, y1zd,