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    PCI pass-through: Unable to read/write to IOMMU perf counter

    i just finished the Debian installation on the virtual machine. And I can see the multimedia card in the pci devices of the machine. Everything is fine so far. I just have to test my raid controller. The lights on the card go on and off all the time and I can not remember if this is a normal...
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    PCI pass-through: Unable to read/write to IOMMU perf counter

    I didn't know that the group of people using virtualization is that small. For me a computer has to help me solving problems. And as i found Proxmox I was astonished that I was able to get a virtual machine running and what was best I got access to the desktop of my virtual machine by just a...
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    PCI pass-through: Unable to read/write to IOMMU perf counter

    1. I put the card in the x16 slot. When i looked for the IOMMU groups my multimedia card was alone in group 10. But my network card didn't work anymore. 2. So I am lucky with my hardware. Could I change something the CPU or the board. Are there any lists of hardware that will work fine in...
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    PCI pass-through: Unable to read/write to IOMMU perf counter

    I will try it out. What about the IOMMO perf counter message. is this counter necessary. Just for understanding.
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    PCI pass-through: Unable to read/write to IOMMU perf counter

    1. I used amd_iommu=on but forgot it in my post sorry. 2. Here are my IOMMU groups: IOMMU group 0 00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge [1022:1452] IOMMU group 10 08:00.0 VGA compatible controller [0300]: Advanced Micro...
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    PCI pass-through: Unable to read/write to IOMMU perf counter

    I am trying to set up a virtual multimedia server with the newest Proxmox vitualisation software. I try to pass-through my Digital Devices GmbH Cine V7 multimedia PCI card to a virtual Debian server. When I start the guest my host gets corrupted and I‘m losing contact to the machine. I follow...