does not detect audio CDs

$ devkit-disks --show-info /dev/sr0
Showing information for /org/freedesktop/DeviceKit/Disks/devices/sr0
  native-path: /sys/devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0/block/sr0
  device: 11:0
  device-file: /dev/sr0
    by-path: /dev/disk/by-path/pci-0000:00:1f.1-scsi-0:0:0:0
  detected at: mer. 15 juil. 2009 14:13:00 CEST
  system internal: 0
  removable: 1
  has media: 1 (detected at ven. 17 juil. 2009 17:36:06 CEST)
    detects change: 1
    detection by polling: 1
    detection inhibitable: 1
    detection inhibited: 0
  is read only: 0
  is mounted: 0
  mount paths:
  mounted by uid: 0
  presentation hide: 0
  presentation name:
  presentation icon:
  size: 574433280
  block size: 2048
  job underway: no
  usage:
  type:
  version:
  uuid:
  label:
  drive:
    vendor: PBDS
    model: DVD+-RW DS-8W1P
    revision: BD1B
    serial:
    detachable: 0
    ejectable: 1
    media: optical_cd
      compat: optical_cd optical_cd_r optical_cd_rw optical_dvd optical_dvd_plus_r optical_dvd_plus_r_dl optical_dvd_plus_rw optical_dvd_r optical_dvd_rw
    interface: scsi
    if speed: (unknown)
    ATA SMART: not available

devicekit code

" /* device_is_optical_disc and optical_disc_* */
        if (g_udev_device_has_property (device->priv->d, "ID_CDROM_MEDIA_STATE")) {
                devkit_disks_device_set_device_is_optical_disc (device, TRUE);"

$ udevadm info --query=all --name=/dev/sr0 | grep STATE
$

I can reproduce this as well. I think udev is still meant to set this flag, but apparently it broke either in the latest udev version or latest kernel. I'll check with upstream.

<kay> pitti: we jumped a bit forth and back with this thing
<kay> pitti: ID_CDROM_MEDIA_STATE should be for writable stuff only, basically un-finalized media

http://cgit.freedesktop.org/DeviceKit/DeviceKit-disks/commit/?id=cb39d9c3829939eda833a2e3508d91f2561ff26c

This bug was fixed in the package devicekit-disks - 005-0ubuntu5

---------------
devicekit-disks (005-0ubuntu5) karmic; urgency=low

  * Add git-fix-cd-detection.patch: Fix CD-ROM detection with current udev.
    Patch taken from git head. (LP: #400742)

 -- Martin Pitt <email address hidden> Fri, 17 Jul 2009 19:06:09 +0200