[hglee]

I got micro freeze on ThinkPad x260 + kernel 5.4.x + firefox.

You can find many reports like this:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1872001

https://bugzilla.redhat.com/show_bug.cgi?id=1843274

https://groups.google.com/g/linux.debian.bugs.dist/search?q=...