Host SMBus controller not enabled! on Redhat 7.6

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Error : Host SMBus controller not enabled! 

In order to fix it, I modified and add one line to dccp-blacklist.conf file .Redhat depricated the module: for security reasons, automatic loading of the Datagram Congestion Control Protocol (DCCP) kernel modules through socket layer is now disabled by default.

blacklist i2c-piix4
ls -ltr /etc/modprobe.d/blacklist.conf
cd /etc/modprobe.d/
ls -ltr
cp dccp-blacklist.conf dccp-blacklist.conf.sid
ls -ltr
vi dccp-blacklist.conf

Add blacklist i2c-piix4 then save it.
Followed by reboot.

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