File "/opt/anaconda/usr/lib/anaconda/gui.py", line 950, in handleRenderCallback
    self.currentWindow.renderCallback()
  File "/opt/anaconda/usr/lib/anaconda/iw/progress_gui.py", line 250, in renderCallback
    self.intf.icw.nextClicked()
  File "/opt/anaconda/usr/lib/anaconda/gui.py", line 867, in nextClicked
    self.dispatch.gotoNext()
  File "/opt/anaconda/usr/lib/anaconda/dispatch.py", line 140, in gotoNext
    self.moveStep()
  File "/opt/anaconda/usr/lib/anaconda/dispatch.py", line 208, in moveStep
    rc = apply(func, self.bindArgs(args))
  File "/opt/anaconda/usr/lib/anaconda/packages.py", line 100, in turnOnFilesystems
    diskset.savePartitions ()
  File "/opt/anaconda/usr/lib/anaconda/partedUtils.py", line 725, in savePartitions
    disk.commit()
error: Error: Error informing the kernel about modifications to partition /dev/sdb16 -- Invalid argument.  This means Linux won't know about any changes you made to /dev/sdb16 until you reboot -- so you shouldn't mount it or use it in any way before rebooting.