The SMBus interface is a slow bus not related to the i440fx northbridge, it comes from the PIIX3 southbridge.
Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com> --- hw/i386/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig index 56e72abb8c..9ac833b930 100644 --- a/hw/i386/Kconfig +++ b/hw/i386/Kconfig @@ -51,7 +51,6 @@ config I440FX bool select PC_PCI select PC_ACPI - select ACPI_SMBUS select DIMM select SMBIOS select VMPORT @@ -68,6 +67,7 @@ config ISAPC select PIIX3 # QEMU isapc weirdness: it uses PIIX3 with ACPI features from PIIX4 select ACPI_PIIX4 + select ACPI_SMBUS config Q35 bool -- 2.20.1