Hot when charging

[rocket2nfinity]

Well, when I put in the password it definitely started to do the upgrade.  Then it came up with the following:

error: failed to update core (unable to lock database)
error: failed to update extra (unable to lock database)
error: failed to update community (unable to lock database)
error: failed to synchronize all databases

Then it started to buzz.  I mean it almost sounded like a toy airplane buzz sound or something.  I thought that was strange so I turned it off and waited a couple of minutes.  No more buzzing.  I tried the update again and this time no buzz, but it said all the above again.  
I really appreciate all your help.  Looks like i need more help please.  Thank you.

Type

sudo rm /var/lib/pacman/db.lck

Then

sudo pacman -Syu

However, the buzzing has me concerned. Don't ever recall it doing that on mine.