Re: Is controlling DVD speeds via SET_STREAMING supported?

From: Pasi Savolainen
Date: Sat Nov 27 2004 - 15:59:20 EST


* Thomas Fritzsche <tf@xxxxxxx>:
> Hi Jens,
>
> I build a new version that addresse this issues.
>
> Usage: speed -x <speed> <device>
> (speed = 0 means reset to defaults)

Tried, didn't work. If there's some other info you need,
please tell me.

Thanks.


# ./dvdspeed /dev/dvd
Command failed: b6 00 00 00 00 00 00 00 00 00 1c 00 - sense: 05.20.00
ERROR.

# hdparm -i /dev/dvd

/dev/dvd:

Model=SAMSUNG DVD-ROM SD-616E, FwRev=F502, 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

# tail -f /var/log/messages
...
Nov 27 22:52:49 tienel kernel: hdb: packet command error: status=0x51 { DriveReady SeekComplete Error }
Nov 27 22:52:49 tienel kernel: hdb: packet command error: error=0x54
Nov 27 22:52:49 tienel kernel: ide: failed opcode was 100


--
Psi -- <http://www.iki.fi/pasi.savolainen>

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/