I further tested this new 4.18.0-18-generic kernel and with this kernel the wifi seems to work very good. I did not observe any slowness as I did with the patched 4.18.0-16 kernel.
I further tested this new 4.18.0-18-generic kernel and with this kernel the wifi seems to work very good. I did not observe any slowness as I did with the patched 4.18.0-16 kernel.