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    XCP-ng 8.3 & AMD Firepro S7150x2

    Scheduled Pinned Locked Moved Hardware
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    • olivierlambertO Offline
      olivierlambert Vates 🪐 Co-Founder CEO
      last edited by

      Ping @Teddy-Astie

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      • TeddyAstieT Offline
        TeddyAstie Vates 🪐 XCP-ng Team Xen Guru @ohajek
        last edited by

        @ohajek

        Nov 13 11:30:21 xen03 kernel: [10188.720655] AMD IOMMUv2 driver by Joerg Roedel jroedel@suse.de
Nov 13 11:30:21 xen03 kernel: [10188.720656] AMD IOMMUv2 functionality not available on this system

        This is expected, Dom0 Kernel (Linux) is not supposed to access the IOMMU when it is already used by Xen. To check if AMD-Vi is working, you need to check xl dmesg instead.

        I took a quick look at kern_gim_compiled.txt, and it look likes it timed-out somewhere

        Oct 23 20:49:32 xen03 kernel: [   80.657394]        gim error:(wait_cmd_complete:2387)  wait_cmd_complete -- time out after 0.003004460 sec
Oct 23 20:49:32 xen03 kernel: [   80.657408]        gim error:(wait_cmd_complete:2390)   Cmd = 0x17, Status = 0x0, cmd_Complete=0

        3ms looks like a short timeout for me, but aside that, it looks like a driver(gim) or hardware issue

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        • TeddyAstieT Offline
          TeddyAstie Vates 🪐 XCP-ng Team Xen Guru
          last edited by TeddyAstie

          @tuxen said (https://xcp-ng.org/forum/topic/3652/no-free-virtual-function-found-vgpu-s7150/4?_=1731502751059)

          After some digging, could be the case of a GPU firmware being incompatible with UEFI. Do you have any spare server for testing XCP-ng boot in legacy/BIOS with this GPU?

          Perhaps it is the issue ?

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          • O Offline
            ohajek
            last edited by

            Hi Teddy,
            thanks for the analysis and your brief explanation.
            IOMMU should be properly activated:

            (XEN) [ 0.221843] AMD-Vi: IOMMU Extended Features:
            (XEN) [ 0.222606] - Peripheral Page Service Request
            (XEN) [ 0.223366] - NX bit
            (XEN) [ 0.224123] - Guest APIC Physical Processor Interrupt
            (XEN) [ 0.224889] - Invalidate All Command
            (XEN) [ 0.225649] - Guest APIC
            (XEN) [ 0.226412] - Performance Counters
            (XEN) [ 0.227178] - Host Address Translation Size: 0x2
            (XEN) [ 0.227940] - Guest Address Translation Size: 0
            (XEN) [ 0.228681] - Guest CR3 Root Table Level: 0x1
            (XEN) [ 0.229416] - Maximum PASID: 0xf
            (XEN) [ 0.230140] - SMI Filter Register: 0x1
            (XEN) [ 0.230867] - SMI Filter Register Count: 0x1
            (XEN) [ 0.231596] - Guest Virtual APIC Modes: 0x1
            (XEN) [ 0.232316] - Dual PPR Log: 0x2
            (XEN) [ 0.233024] - Dual Event Log: 0x2
            (XEN) [ 0.233727] - Secure ATS
            (XEN) [ 0.234424] - User / Supervisor Page Protection
            (XEN) [ 0.235126] - Device Table Segmentation: 0x3
            (XEN) [ 0.235826] - PPR Log Overflow Early Warning
            (XEN) [ 0.236514] - PPR Automatic Response
            (XEN) [ 0.237198] - Memory Access Routing and Control: 0x1
            (XEN) [ 0.237881] - Block StopMark Message
            (XEN) [ 0.238558] - Performance Optimization
            (XEN) [ 0.239234] - MSI Capability MMIO Access
            (XEN) [ 0.239906] - Guest I/O Protection
            (XEN) [ 0.240570] - Enhanced PPR Handling
            (XEN) [ 0.241231] - Invalidate IOTLB Type
            (XEN) [ 0.241886] - VM Table Size: 0x2
            (XEN) [ 0.242537] - Guest Access Bit Update Disable
            (XEN) [ 0.252988] AMD-Vi: IOMMU 0 Enabled.
            (XEN) [ 0.253820] I/O virtualisation enabled

            I have also read about the problem with UEFI several times.
            Now I am going to try to find a system with "legacy" boot mode.

            R 1 Reply Last reply Reply Quote 0
            • R Offline
              rtjdamen @ohajek
              last edited by

              @ohajek did u ever managed to get this to work? We upgraded from 8.2 where it worked to 8.3, the card is detected but when u start the vm u get virtual function not available

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              • O Offline
                ohajek @rtjdamen
                last edited by

                @rtjdamen No, unfortunately not! I tried everything possible and finally gave up ...
                I wish you more luck getting it to work!

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                • R Offline
                  rtjdamen @ohajek
                  last edited by

                  @ohajek i am affraid then it’s a lost case with this one😂, @olivierlambert do you have any knowledge of this going to work on xcp?

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                  • olivierlambertO Offline
                    olivierlambert Vates 🪐 Co-Founder CEO
                    last edited by

                    I'm completely E_BUSY at the moment (at the Xen Winter Meetup), so I can't do much on long/complex problems on non-urgent situation 😓

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                    • M Offline
                      mohammadm
                      last edited by

                      Too bad, so at this point we have 4/5 GPU's that are pretty much useless. Any other alternatives for GPU?

                      When using dGPU, PCI-e passthrough to the VM itself, it does work but after a while the whole screen turn black. They have to disconnect and connect to the RDP session again to see the screen again.

                      TeddyAstieT 1 Reply Last reply Reply Quote 0
                      • TeddyAstieT Offline
                        TeddyAstie Vates 🪐 XCP-ng Team Xen Guru @mohammadm
                        last edited by

                        @mohammadm said in XCP-ng 8.3 & AMD Firepro S7150x2:

                        Too bad, so at this point we have 4/5 GPU's that are pretty much useless. Any other alternatives for GPU?

                        When using dGPU, PCI-e passthrough to the VM itself, it does work but after a while the whole screen turn black. They have to disconnect and connect to the RDP session again to see the screen again.

                        Looks like a screen suspend issue, have you tried to disable it ?

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