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    ACPI Error: SMBus/IPMI/GenericSerialBus

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    • ForzaF Offline
      Forza
      last edited by

      With the latest XCP-ng updates, I am getting dmesg errors. They appeared immediately after yum update finished, and remain after reboot. Anyone seen this before and knows what to do?

      [Mar19 10:20] ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20180810/exfield-393)
[  +0.000009] ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20180810/psparse-516)
[  +0.000008] ACPI Error: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20180810/power_meter-338)
[  +0.999960] ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20180810/exfield-393)
[  +0.000008] ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20180810/psparse-516)
[  +0.000008] ACPI Error: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20180810/power_meter-338)
[  +0.999961] ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20180810/exfield-393)
[  +0.000009] ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20180810/psparse-516)
[  +0.000008] ACPI Error: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20180810/power_meter-338)

      This is a HPE DL325 Gen10 EPYC system with XCP-ng 8.2.1.

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

        I think I always had it on a similar system. Pinging @dinhngtu in case

        ForzaF 1 Reply Last reply Reply Quote 1
        • ForzaF Offline
          Forza @olivierlambert
          last edited by Forza

          Found a link with similar issue and a fix by disabling ACPI power monitoring. Would that have any impact in XCP-ng - i.e. is this feature used by anything?

          https://www.suse.com/support/kb/doc/?id=000017865

          EDIT: Perhaps it is netdata. I will disable netdata and check again.

          D 1 Reply Last reply Reply Quote 0
          • D Offline
            dinhngtu Vates 🪐 XCP-ng Team @Forza
            last edited by

            @Forza The link you posted looks to be the same issue, just from a different kernel version.

            ForzaF 1 Reply Last reply Reply Quote 0
            • ForzaF Offline
              Forza @dinhngtu
              last edited by

              @dinhngtu Yes, looks like it. I stopped Netdata and the problem went away. But it is strange it started after the latest set of updates.

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