Windows 11 Pro 24H2 VM Random Freezes on XCP-NG 8.3

DevilDan

@dinhngtu The problem is back, I will check if i do something bad, i don't understand... Unlucky

Danp

@DevilDan Are you using the Load Balancer plugin to manage the load on your pool?

DevilDan

@Danp hi thanks, i don't think i use all on default param on xoa and xcp-ng

DevilDan

@Danp @dinhngtu I haven't encountered the problem for 3 days, following a modification I made, I don't know if it's this modification that solved the problem (a little software I was installing on the VM, and that I uninstalled).

dinhngtu

@DevilDan Which software was uninstalled if you don't mind telling?

DevilDan

@dinhngtu It's not the software, the problem is back again

DevilDan

@Danp @dinhngtu Hi, today I will try Win 10 22H2 latest. Maybe it is the vtpm and uefi secure boot the problem ? I have a freeze at boot on DVD when asking Product Key, i restart install, with VTPM and UEFI + secure boot, loike Win 11, we will see

Edit : CPU instable, after freeze, I try in BIOS mode with no VTPM

dinhngtu

@DevilDan If the problem shows up on older Windows versions I would start suspecting a few other factors.

Do you have any Windows PV drivers installed?
Could you switch back to the Realtek NIC model instead of Intel e1000?
Does it happen on all VMs at once or just one VM at a time?
Any issues with Linux distros?

DevilDan

@dinhngtu

No issues on Linux VMs, the problem only occurs on Windows 11 24H2, 23H2 (so far) and Windows 10, all running in UEFI mode.

No issues so far on a new Windows 10 VM running in BIOS mode.
I'm always installing Xen Guest drivers 9.4 (we also tested without them).
The VMs have nothing special installed, it's just a clean Windows setup.
I don't remember if the issue appeared on both Windows versions at the same time, so I can't confirm a correlation, but it's a possibility.
I had some "coalesce" issues on another Linux VM, but that's been resolved, and it doesn't seem related.
I already tested both Intel and Realtek NIC models, same issue. However, I'll switch everything back to Realtek just in case.
Currently, I have a Windows 11 24H2 VM and a Windows 10 VM (I deleted Windows 11 23H2—it was the most stable and used less CPU than 24H2, but since I'm testing, I'll stick with 24H2).

DevilDan

@dinhngtu
I also remember having installation issues and freezes with PFsense VMs or performance slowdowns with OPNSense in UEFI mode, I think. It feels like UEFI isn't that great?