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Emulex
04:00.0 Ethernet controller: Emulex Corporation OneConnect 10Gb NIC (be3) (rev 02) 04:00.1 Ethernet controller: Emulex Corporation OneConnect 10Gb NIC (be3) (rev 02)
On AMD Ryzen with X570 chipset:
iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT device=04:00.0 address=0x1001e0b00] AMD-Vi: Completion-Wait loop timed out AMD-Vi: Completion-Wait loop timed out AMD-Vi: Completion-Wait loop timed out
Workaround:
add to kernel cmdline: iommu=soft
https://forum.proxmox.com/threads/pci-passthrough-amd-vi-completion-wait-loop-timed-out.75832/