[PVE-User] PVE6 and PCI(e) Passthrough...

[leesteken at pm.me]

On Monday, February 3, 2020 12:42 PM, Marco Gaiarin <gaio at sv.lnf.it> wrote:
>
> I've done a fresh installation of PVE6 (6.1) on an old HP ProLiant ML110
> G6 (CPU Intel(R) Xeon(R) CPU X3430 at 2.40GHz), and following:
>
> https://pve.proxmox.com/wiki/PCI(e)_Passthrough
>
> I've tried to enable PCI passthrough, that seems work:
>
> root at ino:~# grep -i iommu /var/log/kern.log
> Feb 2 14:27:38 ino kernel: [ 0.000000] Command line: BOOT_IMAGE=/ROOT/pve-1@/boot/vmlinuz-5.3.13-2-pve root=ZFS=rpool/ROOT/pve-1 ro root=ZFS=rpool/ROOT/pve-1 boot=zfs quiet intel_iommu=on
> Feb 2 14:27:38 ino kernel: [ 0.075004] Kernel command line: BOOT_IMAGE=/ROOT/pve-1@/boot/vmlinuz-5.3.13-2-pve root=ZFS=rpool/ROOT/pve-1 ro root=ZFS=rpool/ROOT/pve-1 boot=zfs quiet intel_iommu=on
> Feb 2 14:27:38 ino kernel: [ 0.075119] DMAR: IOMMU enabled
>
> but still PVE web interface refuse me to put in passthrough a device
> (say: iommu not enabled) and the box reboot spontaneously under load
> (i'm copying files...) every half an hour, roughly.
>
> I'm missing something? Or simply my hardware is not supported?

Can you post the output from the following command?

find /sys/kernel/iommu_groups/ -type l

kind regards, Arjen