Comment 1 for bug 431055

From inserting a disc into the drive:

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$ udevadm monitor --env
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

KERNEL[1253140850.009687] change /devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0 (scsi)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sr
MODALIAS=scsi:t-0x05
SEQNUM=1880

KERNEL[1253140850.010090] change /devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0/block/sr0 (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0/block/sr0
SUBSYSTEM=block
DEVNAME=sr0
DEVTYPE=disk
SEQNUM=1881
MAJOR=11
MINOR=0

UDEV [1253140850.010200] change /devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0 (scsi)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sr
MODALIAS=scsi:t-0x05
SEQNUM=1880

UDEV [1253140853.304321] change /devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0/block/sr0 (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:1f.1/host3/target3:0:0/3:0:0:0/block/sr0
SUBSYSTEM=block
DEVNAME=/dev/sr0
DEVTYPE=disk
SEQNUM=1881
ID_CDROM=1
ID_CDROM_CD_R=1
ID_CDROM_CD_RW=1
ID_CDROM_DVD=1
ID_CDROM_DVD_R=1
ID_CDROM_DVD_RW=1
ID_CDROM_DVD_RAM=1
ID_CDROM_DVD_PLUS_R=1
ID_CDROM_DVD_PLUS_RW=1
ID_CDROM_DVD_PLUS_R_DL=1
ID_CDROM_MRW=1
ID_CDROM_MRW_W=1
ID_CDROM_MEDIA=1
ID_CDROM_MEDIA_DVD_PLUS_R_DL=1
ID_CDROM_MEDIA_STATE=complete
ID_CDROM_MEDIA_SESSION_COUNT=1
ID_CDROM_MEDIA_TRACK_COUNT=1
ID_CDROM_MEDIA_TRACK_COUNT_DATA=1
ID_VENDOR=MATSHITA
ID_VENDOR_ENC=MATSHITA
ID_MODEL=DVD-RAM_UJ-852
ID_MODEL_ENC=DVD-RAM\x20UJ-852\x20\x20
ID_REVISION=RB02
ID_TYPE=cd
ID_BUS=scsi
ID_PATH=pci-0000:00:1f.1-scsi-0:0:0:0
ACL_MANAGE=1
GENERATED=1
DKD_MEDIA_AVAILABLE=1
DKD_PARTITION_TABLE=1
DKD_PARTITION_TABLE_SCHEME=apm
DKD_PRESENTATION_NOPOLICY=0
MAJOR=11
MINOR=0
DEVLINKS=/dev/scd0 /dev/disk/by-path/pci-0000:00:1f.1-scsi-0:0:0:0 /dev/cdrom /dev/cdrw /dev/dvd /dev/dvdrw
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Nothing shows up in My Computer or elsewhere in Nautilus. Manual mounting is necessary.