As seen with ubuntu-5.10-live-powerpc.iso.
Reported-by: NMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: NMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: NBastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: NRichard Henderson <rth@twiddle.net>