Thanks for the hint, I just get exactly the same error starting the machine.
However, looking in the machine config was a good idea (thanks for that!), the redir command is deprecated in new qemu version.
Old config:
args: --redir tcp:11122::22
Chaned to:
-nic user,hostfwd=tcp::11122-:22
seems to work.
My conf:
args: --nic user,hostfwd=tcp::11122-:22
balloon: 1024
bootdisk: scsi0
cores: 4
memory: 24048
name: websrv
net0: virtio=56:CF:B0:B6:B4:11,bridge=vmbr0
numa: 0
onboot: 1
ostype: l26
scsi0: local:101/vm-101-disk-1.qcow2,size=100G
scsihw: virtio-scsi-pci
smbios1: uuid=e8f8c273-764b-4504-9420-afe6f4da20b5
sockets: 1
pveversion -v
proxmox-ve: 6.2-1 (running kernel: 5.4.60-1-pve)
pve-manager: 6.2-11 (running version: 6.2-11/22fb4983)
pve-kernel-5.4: 6.2-6
pve-kernel-helper: 6.2-6
pve-kernel-5.4.60-1-pve: 5.4.60-2
pve-kernel-4.15: 5.4-19
pve-kernel-4.15.18-30-pve: 4.15.18-58
pve-kernel-4.15.18-16-pve: 4.15.18-41
pve-kernel-4.13.13-5-pve: 4.13.13-38
pve-kernel-4.13.13-4-pve: 4.13.13-35
ceph-fuse: 12.2.11+dfsg1-2.1+b1
corosync: 3.0.4-pve1
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: 0.8.35+pve1
libjs-extjs: 6.0.1-10
libknet1: 1.16-pve1
libproxmox-acme-perl: 1.0.5
libpve-access-control: 6.1-2
libpve-apiclient-perl: 3.0-3
libpve-common-perl: 6.2-2
libpve-guest-common-perl: 3.1-3
libpve-http-server-perl: 3.0-6
libpve-storage-perl: 6.2-6
libqb0: 1.0.5-1
libspice-server1: 0.14.2-4~pve6+1
lvm2: 2.03.02-pve4
lxc-pve: 4.0.3-1
lxcfs: 4.0.3-pve3
novnc-pve: 1.1.0-1
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.2-12
pve-cluster: 6.1-8
pve-container: 3.2-1
pve-docs: 6.2-5
pve-edk2-firmware: 2.20200531-1
pve-firewall: 4.1-2
pve-firmware: 3.1-3
pve-ha-manager: 3.1-1
pve-i18n: 2.2-1
pve-qemu-kvm: 5.1.0-2
pve-xtermjs: 4.7.0-2
qemu-server: 6.2-14
smartmontools: 7.1-pve2
spiceterm: 3.1-1
vncterm: 1.6-2
zfsutils-linux: 0.8.4-pve1
Now I stuck with:
kvm: -device VGA,id=vga,bus=pci.0,addr=0x2: PCI: slot 2 function 0 not available for VGA, in use by e1000
start failed: QEMU exited with code 1