Stalker 2: Heart of Chornobyl PC - 2025-09-02

Описание: OS:
Host: Manjaro(Kernel 6.6), dm-crypt, zfs, kvm, libvirt, qemu
Guest: Windows 11 Professional on q35-9.0

Host Specs:
MSI X470 Gaming Pro
Ryzen 5800X, 8x core, 16 threads(only 1 dedicated core(2 threads) is accessible for Host)
64GB DDR4 3200MHz CL 22 ECC, 2x KSM32ED8/32HC
AMD Sapphire Radeon RX 7900 XT 20GB
Some lowend nVidia for host graphics
3x Samsung SATA SSD 500GB
2x Samsung SATA SSD 2TB
2x Samsung SATA SSD 4TB

Guest Specs:
Host-passthrough libvirt setting with 7x dedicated core(14 threads)
48GB RAM allocated via hugepages
300GB 3-way mirror on SSD
1,7 TB Mirror SSD
3,4 TB Single SSD
3,4 TB Single SSD
AMD Sapphire Radeon RX 7900 XT 20GB via pci-passthrough, vfio-pci

Recorded/Streamed via obs-studio or directly via VR Headset

Kernel parameters:
amd_iommu=on iommu=pt kvm_amd.npt=1 kvm_amd.nested=0 kvm_amd.avic=1 kvm.ignore_msrs=1 default_hugepagesz=1G hugepagesz=1G hugepages=48 isolcpus=1-7,9-15 irqaffinity=0,8 nohz_full=1-7,9-15 rcu_nocbs=1-7,9-15 rcu_nocb_poll elevator=deadline pcie_aspm=off video=vesafb:off,efifb:off

Sysctl parameters:
vm.swappiness = 0
vm.min_free_kbytes = 262144
vm.dirty_ratio = 3
vm.dirty_background_ratio = 1

ZFS parameters:
zfs_arc_min=268435456
zfs_txg_timeout=1
zfs_vdev_trim_max_active=1
zfs_arc_max=6442450944
zfs_dirty_data_max_percent=3

Libvirt xml: https://pastebin.com/VUiLyHf4
Libvirt startup script: https://pastebin.com/40ny3WUF

VR: Meta Quest 3
Steering wheel: Logitech G920 + Logitech G Driving Force Shifter

Contact: https://my-web.xyz/kontakt Twitch:   / mmcze