It happens the same with the 19-Aug-2009 D-I. Installing from a pen drive it shows:
usb 7-1.2: O2Micro CCID SC Reader usb 7-1.2: Manufacturer: O2 usb 7-1.2: configuration #1 chosen from 1 choice scsi 3:0:0:0: Direct Access 0.00 PQ: 0 ANSI: 2 sd 3:0:0:0: [sbd] 7897088 512-byte hw sectors: (4.04 GB/3.76 GiB) sd 3:0:0:0: [sbd] Write protect is off sd 3:0:0:0: [sbd] Assuming drive cache: write through sd 3:0:0:0: [sbd] Assuming drive cache: write through sdb: sdb1 sd 3:0:0:0: [sbd] Attatched SCSI removable disk The installer just stops here.