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Thank It's all clear now. Thanks.

Good day Help me figure out and implement the correct virtual machine configuration for a dual-socket motherboard (PVE 8.4, 6.8.12 kernel) Given: root@pve-node-04840:~# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 46 bits physical, 48 bits virtual Byte Order...

Try: sysctl kernel.numa_balancing=0

I didn't manage to insall v266 on dozen of my vms. MSI fails with revert unfortunately

Does anyone have precompiled drivers?

With virtio 0.1.266 driver version should be 100.100.*

On half of my servers I can't install new Virtio Tools. Setup breaks and reverts with error 0x80070643 Any clue what could be wrong?

Try latest 6.8 kernel first

From my perspective virtio scsci driver is the key here. Still waiting for any progress from virtio devs. Be free to ping them at the corresponding topic at the github (check the link in messages above)

I’m still on pve 6.5 Will wait up to 2-3 kernel updates before an upgrade

In my case I don't have non-existent export shares. Only dozen active exported from different ZFS pools/dataset

Some images First server (active) - noticeable memory leak (I had to drop ARC cache at the end) Second server (exactly the same but without NFS activity - redundant storage with ZFS replicas)

There is possible memory leak with kernel 6.8.3 and nfs-kernel-server (Check this thread: https://forum.proxmox.com/threads/memory-leak-on-6-8-4-2-3-pve-8-2.146649/ )

Same story. After upgrade to pve 8.2 (kernel 6.8.4-3) I’m facing the same memory leak. Zfs pool with NFS shares and high IO load (ZFS arc size limited and does not grow up)

Can confirm: kenrel 6.8.4, ksm enabled, numa balancing=1, all kernel mitigations on Works as expected. No ICMP echo reply time increase, no any other freezes. Finnaly!