1. A

    PCIe passthrough

    Hi, I changed motherboard and CPU recently on my server and a lot broke. But finally, when I got proxmox to boot and got access to the web interface, I have to passthrough my PCIe devices again. The problem I am running into is that when following the guide PCI Passthrough, when I run; dmesg |...
  2. D

    Issues with IOMMU (Proxmox 8.0.3, Error code 43 in VM)

    Server Specs: Model: Dell PowerEdge T320 CPU: Intel(R) Xeon(R) CPU E5-2420 v2 @ 2.20GHz RAM: 192GB DDR3 ECC Memory GPU: AMD Radeon™ PRO WX 3100 HDD’s: 2 600GB SAS HDD’s, 6 2TB SAS HDD’s (Various Brands) PCI(e) Cards: Dell Perc H310 RAID card, (Unbranded) Dual M.2 to PCI adapter (Contains 1...
  3. S

    IOMMU Not enabling as expected.

    Hi all, First off, I just started trying to get GPU passthrough working for the first time. I'm a noob and gradually learning this stuff, so thank you ahead of time for your patience and help with getting me through this Not far on the road, I stumbled into a roadblock, IOMMU isn't enabling as...
  4. C

    Request for tutorial of passing through wifi pci device

    I'm composing something on my blog. Was wondering if there's anything I can crib notes from. I'll do lspci and put in the bits about blocking the kernel module from loading using /etc/modprobe.d/blacklist.conf ; anything else we should include?
  5. O

    PCIe Passthrough & IOMMU issues

    Hi all, first off, I'm a noob and gradually learning this stuff, so thank you ahead of time for your patience and help with getting me through this Secondly, I promise I've spent days researching the answers myself before creating this thread. I've followed the guides, the official docs and I...
  6. D

    PVE8 - Change to IOMMU/Passthrough?

    Recently upgraded from PMX7 (Proxmox Version 7 or PVE7) to PMX8 (Proxmox Version 8 or PVE8), and I noticed the passthrough doesn't seem to work the same way in the UI it used to. <= PVE7, the way you knew IOMMU/etc wasn't working is that in the UI, the "MAPPED DEVICES" dropdown would be empty...
  7. R

    No IOMMU detected in a IOMMU-capable system

    Hello I have installed Proxmox VE on an HP EliteDesk 800 G3 CPU: Intel i5-6500 65W Chipset: Intel Q270 As per intel specs (available at ) the CPU supports all this...
  8. E

    Yet Another Nested Virtualization Question

    I have been trying to get a nested VM working for a few days with little success. Host is Proxmox 8 Steps I've taken: Confirmed the following: # dmesg | grep -E "DMAR|IOMMU" [ 0.000000] ACPI: DMAR 0x0000000078EB1D98 000168 (v01 SUPERM SMCI--MB 00000001 INTL 20091013) [ 0.000000] ACPI...
  9. B

    IOMMU Issues

    Hello! Ive been trying go get IOMMU Groups and PCI-E pass through, mainly GPU, to properly work for quite a while on my new server hardware, my DMAR output looks like this. Thank you in advance and sorry for the long post, this has been a multiweek and multi-reinstall battle I haven't been...
  10. K

    [SOLVED] Proxmox PCIe passthrough for TrueNAS

    Hi there, I'm doing something quite trivial I have this controller and 4 HDD disks attached to it: root@sofx1010pve3307:~# dmesg |grep 2008 [ 0.256490] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c40660462 ecap f050da [ 3.309755] mpt2sas_cm0: LSISAS2008: FWVersion(
  11. Z

    Troubleshooting KVM Virtual Machine Startup Error with PCIe Passthrough on DL380 GEN9 (PVE 8)

    Hi there, I'm creating a KVM virtual machine on my DL380 GEN9 (PVE 8) and attempting to pass the network card (eth0) through PCIE to the virtual machine in order to improve the network performance of my OPNsense virtual machine. I followed the instructions on the Wiki to configure this and...
  12. P

    Intel IOMMU - Dell Poweredge 1950iii

    I've been looking through the Proxmox forums for the past two days in regards to enabling IOMMU on my server. I am trying to enable IOMMU in order to do a PCI passthrough of my Intel 3650 NIC. I have another Dell Poweredge R510 with the the same NIC and version of Proxmox with no issues. Here...
  13. A

    Error start virtual machine

    I don't understand why my virtual machine won't start, it gives me this error I am a beginner in using proxmox
  14. S

    [SOLVED] No IOMMU detected

    Edit: Solved with the ZFS section in Hi, thank you for your time, I have Intel vt-d (IOMMU) enabled in the motherboard, and I also tested with UNRAID and GPU passthrough works fine in there, but I keep...
  15. G

    MinisForum NAB6 IOMMU direct passthrough problem

    Hi, I tried to to read as many pages and manuals as I could but I came down to the conclusion that my motherboard doesn't support IOMMU. If someone here could help me it will be great, but after 2 days of searching and trying I have to say I'm giving up a bit. I bought my new MinisForum NAB6...
  16. M

    Passthrough failed

    I tried to setup a Tesla P4 as vGPU and followed roughly this guide. The unlock of the GPU worked so far, and I'm able to list all vGPU profiles with mdevctl types. Then I added the PCI Device to my VM(102) and select it according to the followed picture (default MDev 285) and started the VM...
  17. T

    [SOLVED] z97x-ud3h iommu

    Just installed the latest proxmox. First time user here. I'd like to pass my HBA through to a VM, but for some reason IOMMU won't initialize. I've read through lots of forum posts and the directions, but I'm not seeing anything change. Here's my config details: root@pve:~# find...
  18. L

    [SOLVED] help to enable iommu

    I have proxmox running on Asus Sabertooth x79 mobo with single Xeon E5-2697. I'm trying to setup Plex VM with Nvidia GPU in passthrough mode. For whatever reason appears IOMMU is not enabled. I triple checked the bios settings and everything related to virtualization of CPU is enabled. I updated...
  19. S

    Probably some obvious questions! Long read

    Introduction Hello all, first time poster. I'll do my best to explain myself and ask the right questions, but I apologize in advance if I end up all over the place! History For probably 5 years I've just had a 4u rack-mount server running some older hardware with 4x 3tb drives shared on my...
  20. N

    [SOLVED] IOMMU issue in old Haswell NUC

    Edit: Just needed a BIOS update... See last post. Hi all! Does anyone have experience with pcie passthrough on the D34010WYK Intel NUC? It's a Haswell 4010U, 16GB ram. I'm trying to pass an Intel pcie dual NIC to an opnsense VM. I'm not certain but it seems like the grouping should be...


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