Server 2019 blue screen after update latest updates Proxmox 6

[kulimboy]

Hi,
After run update and upgrade to the latest update, my server 2019 blue screen while starting and also when use heavy IO software such as Veeam Agent to backup the VM. I already installed fresh windows 2019 and same problem happen. The VM is on local SSD ZFS pool. Before apply latest update the VM was running fine. The current version is as below:-

Linux 5.0.21-1-pve #1 SMP PVE 5.0.21-1 (Tue, 20 Aug 2019 17:16:32 +0200)
pve-manager/6.0-6/c71f879f

Linux pve1 5.0.21-1-pve #1 SMP PVE 5.0.21-1 (Tue, 20 Aug 2019 17:16:32 +0200) x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Tue Aug 27 11:56:08 2019
root@pve1:~# pveversion -v
proxmox-ve: 6.0-2 (running kernel: 5.0.21-1-pve)
pve-manager: 6.0-6 (running version: 6.0-6/c71f879f)
pve-kernel-5.0: 6.0-7
pve-kernel-helper: 6.0-7
pve-kernel-5.0.21-1-pve: 5.0.21-1
pve-kernel-5.0.18-1-pve: 5.0.18-3
pve-kernel-5.0.15-1-pve: 5.0.15-1
ceph-fuse: 12.2.11+dfsg1-2.1
corosync: 3.0.2-pve2
criu: 3.11-3
glusterfs-client: 5.5-3
ksm-control-daemon: 1.3-1
libjs-extjs: 6.0.1-10
libknet1: 1.11-pve1
libpve-access-control: 6.0-2
libpve-apiclient-perl: 3.0-2
libpve-common-perl: 6.0-4
libpve-guest-common-perl: 3.0-1
libpve-http-server-perl: 3.0-2
libpve-storage-perl: 6.0-7
libqb0: 1.0.5-1
lvm2: 2.03.02-pve3
lxc-pve: 3.1.0-64
lxcfs: 3.0.3-pve60
novnc-pve: 1.0.0-60
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.0-7
pve-cluster: 6.0-5
pve-container: 3.0-5
pve-docs: 6.0-4
pve-edk2-firmware: 2.20190614-1
pve-firewall: 4.0-7
pve-firmware: 3.0-2
pve-ha-manager: 3.0-2
pve-i18n: 2.0-2
pve-qemu-kvm: 4.0.0-5
pve-xtermjs: 3.13.2-1
qemu-server: 6.0-7
smartmontools: 7.0-pve2
spiceterm: 3.1-1
vncterm: 1.6-1
zfsutils-linux: 0.8.1-pve2

 

[Chris]

Hi,
what CPU Type did you configure in the VM? Please try running with type 'host'.
Did you set any Meltdown / Spectre related CPU flags?
https://pve.proxmox.com/pve-docs/pve-admin-guide.html#qm_virtual_machines_settings

 

[kulimboy]

HI,
The CPU used was kvm64. I already change to "host" but the same issue happen. I also don't set any Meltdown/Spectre CPU flags.

 

[Chris]

Maybe related to this https://forum.proxmox.com/threads/windows-10-guest-bsod-proxmox-6-0.56023/ ?