Guest disabled display

m3a2r1

Active Member
Feb 23, 2020
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VM is Linux with GUI, after few minutes inactivity I see 'guest disabled display' instead of login screen and I can only reboot vm. How to fix it? I didn't set QEMU Guest Agent on that vm.
 
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can you post your vm config (qm config ID) and your versions (pveversion -v)
 
root@proxmox:~# qm config 109 agent: 0 bootdisk: sata0 cores: 4 ide2: none,media=cdrom memory: 8192 name: KaliLinux net0: virtio=2A:9C:66:B8:65:5C,bridge=vmbr1,firewall=1 numa: 0 ostype: l26 sata0: freenas:109/vm-109-disk-0.qcow2,cache=writeback,size=30G scsihw: virtio-scsi-pci smbios1: uuid=e60f7f51-604a-4dd6-aae1-cf8a0848b805 sockets: 1 unused0: VMs:109/vm-109-disk-0.qcow2 vga: virtio vmgenid: 06592d08-5eb4-4775-aac5-103e09d0e1ee

root@proxmox:~# pveversion -v proxmox-ve: 6.1-2 (running kernel: 5.3.10-1-pve) pve-manager: 6.1-8 (running version: 6.1-8/806edfe1) pve-kernel-helper: 6.1-8 pve-kernel-5.3: 6.0-12 pve-kernel-5.3.10-1-pve: 5.3.10-1 ceph-fuse: 12.2.11+dfsg1-2.1+b1 corosync: 3.0.3-pve1 criu: 3.11-3 glusterfs-client: 5.5-3 ifupdown: residual config ifupdown2: 2.0.1-1+pve8 ksm-control-daemon: 1.3-1 libjs-extjs: 6.0.1-10 libknet1: 1.15-pve1 libpve-access-control: 6.0-6 libpve-apiclient-perl: 3.0-3 libpve-common-perl: 6.0-17 libpve-guest-common-perl: 3.0-5 libpve-http-server-perl: 3.0-5 libpve-storage-perl: 6.1-5 libqb0: 1.0.5-1 libspice-server1: 0.14.2-4~pve6+1 lvm2: 2.03.02-pve4 lxc-pve: 3.2.1-1 lxcfs: 4.0.1-pve1 novnc-pve: 1.1.0-1 proxmox-mini-journalreader: 1.1-1 proxmox-widget-toolkit: 2.1-3 pve-cluster: 6.1-4 pve-container: 3.0-14 pve-docs: 6.1-6 pve-edk2-firmware: 2.20200229-1 pve-firewall: 4.0-10 pve-firmware: 3.0-7 pve-ha-manager: 3.0-9 pve-i18n: 2.0-4 pve-qemu-kvm: 4.1.1-4 pve-xtermjs: 4.3.0-1 qemu-server: 6.1-7 smartmontools: 7.1-pve2 spiceterm: 3.1-1 vncterm: 1.6-1 zfsutils-linux: 0.8.3-pve1
 
first i'd update your host to a current version, then maybe it a energy saving feature of your guest? (like suspend or display timeout?) did you try for example installing and ssh server and connecting that way?