[Bug 1856724] Re: SB.PCI0.SMB0 device drivers unavailable

[John Snow]

Hi, although this isn't my area of expertise, the bug caught my eye.
Peter Maydell points out that there is a commit that addresses this
issue:
https://github.com/qemu/qemu/commit/aefcaf9d1b3ebb30981627bd08f595211a648a62

It just never made its way back here to launchpad.

** Changed in: qemu
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1856724

Title:
  SB.PCI0.SMB0 device drivers unavailable

Status in QEMU:
  Fix Committed

Bug description:
  QEMU 4.2 introduces new device with this code:

  static void build_smb0(Aml *table, I2CBus *smbus, int devnr, int func)
  {
      Aml *scope = aml_scope("_SB.PCI0");
      Aml *dev = aml_device("SMB0");

      aml_append(dev, aml_name_decl("_HID", aml_eisaid("APP0005")));
      aml_append(dev, aml_name_decl("_ADR", aml_int(devnr << 16 | func)));
      build_acpi_ipmi_devices(dev, BUS(smbus), "\\_SB.PCI0.SMB0");
      aml_append(scope, dev);
      aml_append(table, scope);
  }

  It is detected by Windows 10 as 'Unknown Device' and there is no driver 
available.
  Please provide a working Windows driver or give ability to disable this 
device.

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