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  1. M

    [SOLVED] Guest internal error when passing through PCIe

    I think you are right, this setting applies to all PCIe devices. I don't know how power management works in the OS, but it feels like if the PCIe device is passed through into a VM, the VM should be able to take control, otherwise there will still be a layer of virtualization of translation. I...
  2. M

    [SOLVED] Guest internal error when passing through PCIe

    I did end up leaving it like this. In my case it was a PCIe card with less then 5W, so I think it's not going to do any harm.
  3. M

    [SOLVED] Guest internal error when passing through PCIe

    I also found some reset related issue on internet with similar error, most of them are about AMD GPU, but the symptom looks similar. I'll take a look into blacklisting it and early binding to vfio-pci, this would probably be a more robust approach. I didn't use pcie_acs_override. The only thing...
  4. M

    [SOLVED] Guest internal error when passing through PCIe

    I didn't blacklist the driver but adding pcie_aspm=off worked! The Coral TPU shows up in the guest. Thank you! ASPM seems like power management? I wouldn't even think about this. Why does it matter?
  5. M

    [SOLVED] Guest internal error when passing through PCIe

    Hello, I have PVE 7.0 running on a Gigabyte H310N motherboard with intel i5-8400. The IOMMU setup was done following the wiki. The motherboard has an M.2 slot for wifi card, and I have a Coral TPU installed on it. The IOMMU group looks good: IOMMU Group 0: 00:00.0 Host bridge [0600]...

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