[pve-devel] [PATCH-SERIES v3 qemu-server/manager/common] add and set x86-64-v2 as default model for new vms and detect best cpumodel

[Aaron Lauterer]

On 6/2/23 16:15, DERUMIER, Alexandre wrote:
> Thanks Aeron.
> 
> I'll try to reproduce on my side on epyc milan.
> AMD EPYC 7543 32-Core Processor microcode patch_level=0x0a0011ce
> (I just tried again with q35, but I'm still not able de reproduce)
> 
> 
> can you share your full vmid.conf ?  (numa ?  vga ?..).


On the Epyc Systems:

args: -cpu 
Nehalem,enforce,+aes,-svm,-vmx,+kvm_pv_eoi,+kvm_pv_unhalt,vendor="GenuineIntel"
bios: ovmf
boot: order=scsi0;ide2;net0
cores: 2
cpu: host,flags=+aes
efidisk0: local-storage:vm-104-disk-0,efitype=4m,size=1M
ide2: iso-images:iso/debian-11.7.0-amd64-netinst.iso,media=cdrom,size=389M
machine: q35
memory: 2048
meta: creation-qemu=7.2.0,ctime=1685631249
name: tmp-debtest
net0: virtio=26:A2:08:6B:00:8F,bridge=vmbr0,firewall=1
numa: 0
ostype: l26
scsi0: local-storage:vm-104-disk-1,discard=on,iothread=1,size=8G
scsihw: virtio-scsi-single
smbios1: uuid=ef95de37-c93f-4987-820d-4f969913b03d
sockets: 1
vmgenid: cb42b08c-9448-4821-b1e6-d018150de807


On the Ryzen system:

args: -cpu 
kvm64,enforce,+kvm_pv_eoi,+kvm_pv_unhalt,+sep,+lahf_lm,+popcnt,+sse4.1,+sse4.2,+ssse3
bios: ovmf
boot: order=scsi0;ide2;net0
cores: 4
cpu: kvm64
efidisk0: local-zfs:vm-115-disk-1,efitype=4m,size=1M
ide2: iso:iso/debian-11.6.0-amd64-netinst.iso,media=cdrom,size=388M
machine: q35
memory: 2048
meta: creation-qemu=7.2.0,ctime=1685537448
name: debtest
net0: virtio=AA:AA:7A:3A:F5:94,bridge=vmbr0,firewall=1
numa: 0
ostype: l26
scsi0: local-zfs:vm-115-disk-0,iothread=1,size=32G
scsihw: virtio-scsi-single
smbios1: uuid=05785fd0-69b7-4df7-a96e-962e030cdbca
sockets: 1
vmgenid: 869bd693-3560-4cd1-a5be-f61ec158acef


The CPU args are different, depending on what I tested last tested.
> 
> do you use debian graphical install or console install ?

the cli installer

> 
> host kernel version ? (I'm still testing on 5.15 / qemu 7.4)

On the Epyc Systems:
$ pveversion -v
proxmox-ve: 7.4-1 (running kernel: 6.2.6-1-pve)
pve-manager: 7.4-3 (running version: 7.4-3/9002ab8a)
pve-kernel-6.2: 7.3-8
pve-kernel-5.15: 7.3-3
pve-kernel-6.2.6-1-pve: 6.2.6-1
pve-kernel-5.15.102-1-pve: 5.15.102-1
pve-kernel-5.15.5-1-pve: 5.15.5-1
(…)
qemu-server: 7.4-3

On the Ryzen System:
$ pveversion -v
proxmox-ve: 7.4-1 (running kernel: 6.2.11-2-pve)
pve-manager: 7.4-4 (running version: 7.4-4/4a8501a8)
pve-kernel-6.2: 7.4-3
pve-kernel-5.15: 7.4-3
pve-kernel-6.2.11-2-pve: 6.2.11-2
pve-kernel-6.2.11-1-pve: 6.2.11-1
pve-kernel-5.15.107-2-pve: 5.15.107-2
(…)
qemu-server: 7.4-3

> 
> my last patch version use qemu64 as base without specifify the vendor,
> so I think it should ok, but I would like to find what happend exactly
> :)
> 
> 
>