[tlinux-users:07367] Re: no dma on teac DV-W28EAT

Hallo Manuel,

Here the wanted output of

hdparm -vI /dev/hdc

/dev/hdc:
 IO_support   =  0 (default 16-bit)
 unmaskirq    =  1 (on)
 using_dma    =  0 (off)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Invalid argument

ATAPI CD-ROM, with removable media
        Model Number:       DV-W28EAT
        Serial Number:
        Firmware Revision:  1.9B
Standards:
        Likely used CD-ROM ATAPI-1
Configuration:
        DRQ response: 50us.
        Packet size: 12 bytes
Capabilities:
        LBA, IORDY(can be disabled)
        DMA: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 *udma2
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4
             Cycle time: no flow control=120ns  IORDY flow control=120ns
HW reset results:
        CBLID- above Vih
        Device num = 0 determined by CSEL


2. I haven´t installd windows for over 8 years, so i am not able to
ckeck.

the output shows that udma is activated but the in xine the dvd still to
slow for showing a dvd without skiped frames.

This dvd Drive is a killing my nerves.

wfg
Mario

On Wed, 2005-10-26 at 13:52 +0100, Manuel López-Ibáñez wrote:
> Hi Mario,
> 
> I don't have any idea about your particular issue, however, the 
> following command will  provide even more information:
> 
> hdparm -vI /dev/hdc
> 
> so please post this information to the mailing list.
> 
> Also, you may check which configuration (DMA, mode, anything) has the 
> DVD under windows.
> 
> Good luck!
> 
> 
> Mario Fetka wrote:
> > Hallo List,
> > 
> > I have a small problem with on my new M60-135 notebook
> > I am not able to activate the dma mode on this teac DVD
> > 
> > the output of hdparm -d1 /dev/hdc
> > 
> > /dev/hdc:
> >  setting using_dma to 1 (on)
> >  HDIO_SET_DMA failed: Operation not permitted
> >  using_dma    =  0 (off)
> > 
> > The crazy thing is that hdparm -i /dev/hdc
> > 
> > /dev/hdc:
> > 
> >  Model=DV-W28EAT, FwRev=1.9B, SerialNo=
> >  Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
> >  RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
> >  BuffType=unknown, BuffSize=0kB, MaxMultSect=0
> >  (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
> >  IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
> >  PIO modes:  pio0 pio1 pio2 pio3 pio4
> >  DMA modes:  sdma0 sdma1 sdma2 mdma0 mdma1 mdma2
> >  UDMA modes: udma0 udma1 *udma2
> >  AdvancedPM=no
> >  Drive conforms to: device does not report version:
> > 
> >  * signifies the current active mode
> > 
> > allready says its activated
> > 
> > but xine-check
> > 
> > says it isnt
> > 
> > [ hint ] DMA is disabled for your DVD interface.
> >          This will probably result in a serious performance hit when
> >          playing DVDs. You can issue the command
> >          hdparm -d1 /dev/hdc
> >          as root to enable DMA. It would be wise to add this command to
> >          some script that is executed executed at boot time.
> >          Note that you probably have to set the DMA mode for your drive
> > as well.
> >          Most DVD-ROMs work fine with multiword DMA mode 2. You can use
> >          hdparm -d1 -X34 /dev/hdc
> >          (as root again) to set this mode. Maybe UDMA2 will give you
> > even better
> >          performance, but it only works well with some controllers.
> > You'll
> >          probably need UDMA capable IDE cables for this mode. If you
> > want
> >          to try: make backups of your important data and type (as root
> > again)
> >          sync
> >          hdparm -d1 -X66 /dev/hdc
> >          If your System still works fine after this, you probably want
> > to keep
> >          these settings (add them to some boot script).
> >          If your system hangs or behaves very strangely after a few
> > minutes, you
> >          should reboot immediately and never use this setting again on
> > this
> >          machine. Good luck ;-)
> >          press <enter> to continue...
> > 
> > 
> > could someone plz help me (I want to watch my dvds without glitchs)
> > 
> > wfg
> > thx in av
> > 
> > Mario Fetka
> > 
> > 
> > 
> > 
> 
> 		
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