Host reboot after start 3th GPU passtrought

[Fullmoon]

Good day. After turning on the third (any) guest VM with GPU passtrought, my host reboots. A total of 4 video cards on the host

 

[tim]

Please share some more information, e.g. guest configuration (/etc/pve/qemu-server/<vmid>.conf), syslog etc.

 

[Fullmoon]

VM100:
bios: ovmf
bootdisk: sata0
cores: 3
cpu: host
efidisk0: local-lvm:vm-100-disk-1,size=4M
hostpci0: 04:00,pcie=1,x-vga=1
ide2: local:iso/Windows_10_64.iso,media=cdrom
machine: q35
memory: 4096
name: Windows10
net0: e1000=3A:EF:4A:54:07:7A,bridge=vmbr0,firewall=1
numa: 0
ostype: win10
sata0: local-lvm:vm-100-disk-0,size=50G
scsihw: virtio-scsi-pci
smbios1: uuid=d273540b-d133-40d0-a161-82a8644229ec
sockets: 1
vmgenid: 26269f60-67cf-4b5c-be83-878d2de8e9dd

VM101:
args: -cpu 'host,+kvm_pv_unhalt,+kvm_pv_eoi,hv_vendor_id=willitwork,kvm=off'
cpu: host
bios: ovmf
bootdisk: sata0
cores: 12
efidisk0: local-lvm:vm-101-disk-1,size=4M
hostpci0: 05:00,pcie=1,x-vga=1
ide2: local:iso/Windows_10_64.iso,media=cdrom
machine: q35
memory: 25000
name: VMWARE
net0: e1000=B6:18:5B:AA:81:37,bridge=vmbr0,firewall=1
numa: 0
ostype: win10
sata0: local-lvm:vm-101-disk-0,size=120G
scsihw: virtio-scsi-pci
smbios1: uuid=85500c12-1562-43a4-9fa4-6afe8b8f55b2
sockets: 1
vmgenid: 0319ad94-ed6c-4c15-a0a7-6dd7f8c65070
VM102:

bios: ovmf
bootdisk: sata0
cores: 4
cpu: host
efidisk0: local-lvm:vm-102-disk-1,size=4M
hostpci0: 03:00,pcie=1,x-vga=1
ide2: local:iso/Windows_10_64.iso,media=cdrom
machine: q35
memory: 4096
name: Cabal2
net0: e1000=3E:70:7B:25:4D:86,bridge=vmbr0,firewall=1
numa: 0
ostype: win10
sata0: local-lvm:vm-102-disk-0,size=15G
scsihw: virtio-scsi-pci
smbios1: uuid=31fd5d01-1d76-4e30-803d-89a025692f3f
sockets: 1
vmgenid: bfaf7ef0-d5b4-497b-910c-b25d110a9aa4

 

[tim]

Please post the log which includes the time before the reboot happend and the reboot itself.

 

[Fullmoon]

Good day. The problem has been resolved. Total RAM size exceeded actual