No penalty. (No negative effects for a resurrection at all)

Stats (Strength, Intelligence, Damage Output, etc) are reduced for a period of time.

Stats are reduced for a period of time + you cannot be resurrected again until current resurrection sickness has worn off.

Stats are reduced for a period of time + additional sickness time if you already have resurrection sickness.

Stats are reduced for a period of time + Stats are further reduced if you already have resurrection sickness.

Stats are reduced for a period of time + additional sickness time if you already have resurrection sickness + Stats are even further reduced if you already have resurrection sickness.