K10D Bulb mode cannot hold longer than 32 seconds?

3 different users reported that their K10D cameras could not hold "long" exposure more than 30 or 32 seconds in the Bulb mode, despite that the battery indicator did show full power as well as the battery power was actually not depleted:-http://forums.dpreview.com/forums/read.asp?forum=1036&message=21047900http://forums.dpreview.com/forums/read.asp?forum=1036&message=21047498http://