One way to end a stuck Time Machine backup

[swytch]

One way to end a stuck Time Machine backup:

"Have you ever had Time Machine get stuck—really stuck—on a backup? So stuck that clicking Stop Backing Up does nothing, so stuck that moving the On/Off slider in the Time Machine System Preferences panel to Off does nothing? If so, then this hint may help you get out of that “stucky” situation.

Open Terminal, and run these two commands...  "

http://www.macworld.com/article/146737/2010/02/exittimemachine.html