There are a few times where my computer will "forget" my root password. This effects my ability to use
sudo as well using the login manager (ie. locking the computer and trying the password there also fails).
Keep in mind, I am 100% confident that I'm not making a typo; I've typed it out to ensure I'm typing it correctly, copy-pasted it, even verified that I remembered the password correctly by using it on a different device that I know uses identical passwords.
I can fix it "easily" by resetting the computer (though it's obviously annoying). It's only happened two or three times in the past-year, but it's still a really odd thing to happen.
Any idea why the computer "forgets" the root password?
The only thing I can think of is a bit flip in memory, but that's assuming that the root password is stored in memory (not sure if that's true or not) and for the bit-flip itself to happen (which is exceedingly rare from what I can tell).
If distribution is of any consequence, I'm running Manjaro-i3.