[Bug 538351] Re: Can't set optical drive speed

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: hdparm (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/538351

Title:
  Can't set optical drive speed

Status in hdparm package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: hdparm

  Ubuntu 9.10 32bit.

  hdparm v 9.15

  I have an optical drive that I use in a media player PC. This drive is
  connected to the ATA ribbon cable in the system, NOT to a SATA port.
  When playing audio cd's or video dvd's it is very loud, as it tries to
  spin up to full speed (52X or whatever).

  On previous versions of Ubuntu, I could use hdparm to tune this. It
  seems when we ditched /dev/hdx for /dev/sdx and /dev/sr0 we lost this
  capability:

  # hdparm -E 1 /dev/dvd

  /dev/dvd:
  setting cdrom speed to 1
  setting dvd streaming speed to 1
   dvd speed setting failed: Input/output error

  No matter what number I send in, this is the error.

  I did about 90 minutes of googling and reading, and I can't find any
  explanation or hints. There has been suggestion for sdparm, but it
  doesn't seem to have these parameters.

  Thanks

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