Comment 23 for bug 109211

Wenzhuo now mi cd works but i have and other problem with de DMA, that is because after i do the instruction of the comment #10, the DMA is turn off
miloc@ubuntu:/etc$ hdparm /dev/hda

/dev/hda:
 IO_support = 0 (default 16-bit)
 unmaskirq = 0 (off)
 using_dma = 0 (off)
 keepsettings = 0 (off)
 readonly = 0 (off)
 readahead = 256 (on)
 HDIO_GETGEO failed: Inappropriate ioctl for device

so i try to ways to enable.
1.- miloc@ubuntu:/etc$ sudo hdparm -d 1 /dev/hda

/dev/hda:
 setting using_dma to 1 (on)
 HDIO_SET_DMA failed: Operation not permitted
 using_dma = 0 (off)

2.- i try to modify the miloc@ubuntu:/etc$ sudo gedit /etc/hdparm.conf and dont works

How can i fix this problem.