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SubjectRe: Is controlling DVD speeds via SET_STREAMING supported?
* Thomas Fritzsche <>:
> 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.


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

# hdparm -i /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
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 -- <>

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