1. V

    Trying to passthrough lsi card and iommu group shows -1

    I am trying to passthrough my lsi PCIe card to openmedia vault and when I add pcie hardware it says no IOMMU detected. The card is detected in lspci, I added `intel_iommu=on iommu=pt` to the kernel and `vfio vfio_iommu_type1 vfio_pci vfio_virqfd1` to /etc/modules and refreshed initramfs...
  2. B

    [SOLVED] Proxmox IUMMO funktioniert nicht

    Moin Moin, ich habe sogut wie alles gemacht, was ich irgendwie finden konnte. Jedoch funktioniert bei mir kein IOMMU, ich möchte gerne meine AX210 WIFI Card zur PFSense durchreichen, wobei die meldung kommt "No IOMMU detected, please activate it.See Documentation for further information." Das...
  3. F

    [SOLVED] Intel Corporation CoffeeLake-S GT2 [UHD Graphics 630] (prog-if 00 [VGA controller]) passthrough to Ubuntu VM for Plex Transcoding

    Hi, I have the following iGPU: lspci -s 00:02.0 -vvvv 00:02.0 VGA compatible controller: Intel Corporation CoffeeLake-S GT2 [UHD Graphics 630] (prog-if 00 [VGA controller]) DeviceName: Onboard IGD Subsystem: Hewlett-Packard Company CoffeeLake-S GT2 [UHD Graphics 630]...
  4. M

    Help with Iommu

    Good day Guys Im new to proxmox and Im struggling to get PCIE access to one of my VM's My server is an Intel machine and VT-d is enabled in the BIOS and CPU supports Virtualization. However when I try add a PCIE device to my VM I get an error, "No IOMMU detevted, please activate it", but it is...
  5. E

    PCI Passthrough - IOMMU not enabling

    Hi, V new to Proxmox so please don't shoot me down! I've installed Proxmox on an old motherboard and processor, and cannot seem to get IOMMU to be enabled/recognised as enabled in Proxmox. My motherboard: MSI Unify Z490 WiFi My processor: Intel Core i5-10600k Both the motherboard and the...
  6. E

    [SOLVED] all iommugroup are -1

    [SOLVED] Gotta run update-grub for changes to take effect :rolleyes: Hi, I am not able to figure out why I can't do a PCI pass through of the two Western Digital SSDs to a VM (or LXC for that matter). My motherboard is a Gigabyte Z790 AORUS ELITE AX I tried to add them to a VM but get this...
  7. H

    IOMMU Gruppen bei gleicher Hardware unterschiedlich zwischen Proxmox 7.416 und Proxmox 8.1.3

    Wie die Überschrift zeigt, habe ich auf meinem System das Problem, dass sich unter Proxmox 8 meine IOMMU Gruppen geändert haben. Mit der neuen Gruppierung funktioniert das Durchreichen zumindest teilweise nicht mehr. Im Moment reiche ich folgender PCI Geräte durch: 1. (Grafikkarte) AMD Radeon RX...
  8. 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...
  9. 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...
  10. I

    iommu not working

    I am completely new to this and am trying to install proxmox and get the iommu to work and am not sure what I am doing wrong. I have Intel Core i3-10105f Z590 Phantom Gaming 4/Ac+ In the UEFI I went to Advanced > CPU Configuration > Intel Virtualization Technology > Enabled and Advanced >...
  11. T

    [SOLVED] IOMMU GRUB config not working.

    Trying to get IOMMU working on a second node (HP DL380p Gen8) that I just acquired, had no issues following the IOMMU documentation on the first server and it worked amazingly. However with this one I cannot seem to get the intel_iommu=on flag to actually pass to the kernel on boot. I have...
  12. A

    Proxmox GPU Passthrough crashes VMs

    Hi All, Firstly, I'm sorry it has had to come to this, I have spent days trying to fix this myself following every guide possible. I just need a sanity check over my config files incase I am missing something obvious. I think that I have IOMMU enabled correctly but when I pass it through to my...
  13. A

    [SOLVED] Cannot Passthrough NIC in Proxmox to OPNsense VM

    Hi all, As the title states, I have a 2nd NIC on my HP ProLiant DL360p Gen8 server (The first NIC is a quad 1Gbps NIC). Upon getting my hands on the NIC, I installed Proxmox 7.1-7 and ran the following script I wrote: #!/bin/bash # Configure apt sources and install necessary packages...
  14. L

    Passthrough GPU to both LXC and VM simultaneously

    Hi, Is it possible to simultaneously passthrough GPU to LXC and VM? I currently have a LXC running my Plex Server and the GPU passthrough works flawlessly but I also have a Windows 10 VM that I use sometimes and I'd like to use my GPU in order to achieve full HD resolution when running Windows...
  15. T

    IOMMU enabled but not detected

    Hello all. I just started tinkering with proxmox, and am trying to pass the integrated graphics to an Ubuntu VM. I can't quite get it to work, so I'd like some help troubleshooting what's wrong. This is running on a Minisforum TH50 (cpu: i5-11320h). Essentially, I've tried every method I can...
  16. E

    IOMMU issue Dell Inspiron 3880 Desktop

    Hello ProxMox community I am running ProxMox VE 7.1 on the computer below Dell - Inspiron 3880 Desktop 10th Gen Intel® Core™ i7-10700 Intel UHD Graphics 630 The Issue I am facing I have these steps to enable IOMMU 1. added the line "GRUB_CMDLINE_LINUX_DEFAULT"="quiet intel_iommu=on" to...
  17. W

    No IOMMU detected, please activate it.

    Hello, I'm running PROXMOX 7.1-7 on a Intel Xeon platform and I'm attempting to get hardware pass-through working. I've enabled VT-d in the BIOS. I've added intel_iommu=on to GRUB_CMDLINE_LINUX_DEFAULT I've ran proxmox-boot-tool refresh The system persists in telling me that IOMMU isn't...
  18. W

    "No IOMMU detected, please activate it." I did AFAIK.

    I've spent the latter part of the last 24 hours trying to setup some VM's from backup onto PROXMOX 7.1-4. I was upgrading from an older version. Relevant hardware: Motherboard: Supermicro X10DRi-T (BIOS: 3.4a) CPU(s): Intel Xeon E5-2698v3 Hardware pass-through worked great until I performed a...
  19. J

    [SOLVED] iommu enabled to but enabled

    PVE 7.0-10 I can't passthrough PCI like I usually do CPU i5-2415M lscpu return: Virtualization: VT-x Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm...
  20. H

    [SOLVED] Yet Another IOMMU Not Detected Thread

    Yet Another IOMMU Not Detected Thread This is solved. I was going to post this as a question but I solved it so now I'm posting it so that others will not follow in my footsteps. Here is my story (or just skip to the end for my solution). Hardware: Dell Poweredge R620 48Gigs of registered...


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