kernel, K3b: poor CDROM burning from usb_storage device

[Si Jones]

Here's my output:

[root at apple ~]# hdparm /dev/hda

/dev/hda:                       --> LG DVD Writer
 HDIO_GET_MULTCOUNT failed: Invalid argument
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Invalid argument
[root at apple ~]# hdparm /dev/hdd

/dev/hdd:                      --> Cheap DVD Reader
 HDIO_GET_MULTCOUNT failed: Invalid argument
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Invalid argument