I was having the problem on ubuntu-20.04.2-live-server-amd64.
I tried booting on live ubuntu-20.04.2-live-server-amd64 which has kernel 5.11 and the problem is fixed on my side.
I even tried booting on live ubuntu-20.04.2.0-desktop-amd64 which is kernel 5.8 and the issue is also fixed.
I was having the problem on ubuntu- 20.04.2- live-server- amd64.
I tried booting on live ubuntu- 20.04.2- live-server- amd64 which has kernel 5.11 and the problem is fixed on my side.
I even tried booting on live ubuntu- 20.04.2. 0-desktop- amd64 which is kernel 5.8 and the issue is also fixed.