piix4_smbus 0000.00.07.0: SMBus base address uninitialized - upgrade bios or use force_addr=0xaddr
This error is caused by VM having no smbus but Ubuntu always trying to load the module. It doesn‘t affect anything but is a bit annoying - to fix...
1. CHECK MODULE IS BEING LOADED
lsmod | grep i2c_piix4
2. IF SO, BLACKLIST IT IN /ETC/MODPROBE.D/BLACKLIST.CONF, BY ADDING THE FOLLOWING TO THE END OF THE FILE:-
blacklist i2c_piix4
3. UPDATE THE INITRAMFS
update-initramfs -u -k all