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Can you give a use case example where one would want/need to implement something like this?

Sure looks that way. I know I never touched grub or modules files (yet). # lsmod | grep vfio vfio_pci 53248 3 vfio_virqfd 16384 1 vfio_pci vfio_iommu_type1 32768 2 vfio 32768 10 vfio_iommu_type1,vfio_pci irqbypass 16384 88...

Understood. Lesson learned. I've create a small script called maint_on.sh and maint_off.sh. This updates all vm's to autostart on and off respectively. Regarding the amd_iommu=on parameter. I don't have that in /etc/default/grub nor the entries in /etc/modules (and specified in...

To the OP did you ever figure this out? I remember having this functionality enabled in esxi when using a win10/gpu for a htpc function. At the end of the session the windows vm would be put to 'sleep', then wake via wol (shortcut on cell phone or any other standard wol magic packet) next time.

Hopefully the subject was sufficient to grab your attention :) Issue: If I enable/disable onboard devices in the bios, iommu groups change, resulting in devices improperly assigned. System specs: Asus x570-e motherboard Amd 5800X processor 64GB Ram GT710 video card Onboard devices used in...

I migrated a truenas vm from esxi to proxmox. It uses onboard sata in passthrough mode. Had difficulty getting the vm to start when the onboard sata was passed through. Would get hung up after grub. Changing from seabios to uefi resolved.

To throw in a wrench into the works... Why not use pci passthrough for en01 (wan). Give pfsense/opensense/whatever direct access to this nic. I think this is marginally more secure than using a virtualized nic for wan. As far as proxmox is concerned, it has no access to wan unless permitted...