hartfamily@hartfamily-desktop:~$ ps aux|grep udisks.*poll
root      1433  0.0  0.0   5176   972 ?        S    May18   0:47 udisks-daemon: polling /dev/sr0
1000      6240  0.0  0.0   3328   876 pts/0    S+   20:14   0:00 grep --color=auto udisks.*poll


hartfamily@hartfamily-desktop:~$ sudo /lib/udev/cdrom_id --debug /dev/sr0
[sudo] password for hartfamily: 
main: probing: '/dev/sr0'
cd_inquiry: INQUIRY: [HL-DT-ST][DVD-RAM GSA-H55L][1.06]
cd_profiles: GET CONFIGURATION: size of features buffer 0x0158
cd_profiles: GET CONFIGURATION: feature 'profiles', with 14 entries
feature_profiles: profile 0x12 dvd_ram
feature_profiles: profile 0x2b dvd_plus_r_dl
feature_profiles: profile 0x1b dvd_plus_r
feature_profiles: profile 0x1a dvd_plus_rw
feature_profiles: profile 0x16 <ignored>
feature_profiles: profile 0x15 <ignored>
feature_profiles: profile 0x14 dvd_rw
feature_profiles: profile 0x13 dvd_rw
feature_profiles: profile 0x11 <ignored>
feature_profiles: profile 0x10 dvd_rom
feature_profiles: profile 0x0a <ignored>
feature_profiles: profile 0x09 <ignored>
feature_profiles: profile 0x08 <ignored>
feature_profiles: profile 0x02 <ignored>
cd_profiles: GET CONFIGURATION: feature 0x0001 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0002 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0003 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0004 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0010 <ignored>, with 0x08 bytes
cd_profiles: GET CONFIGURATION: feature 0x001d <ignored>, with 0x00 bytes
cd_profiles: GET CONFIGURATION: feature 0x001e <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x001f <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0020 <ignored>, with 0x0c bytes
cd_profiles: GET CONFIGURATION: feature 0x0021 <ignored>, with 0x08 bytes
cd_profiles: GET CONFIGURATION: feature 0x0023 <ignored>, with 0x00 bytes
cd_profiles: GET CONFIGURATION: feature 0x0024 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0026 <ignored>, with 0x00 bytes
cd_profiles: GET CONFIGURATION: feature 0x002a <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x002b <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x002c <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x002d <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x002e <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x002f <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0033 <ignored>, with 0x08 bytes
cd_profiles: GET CONFIGURATION: feature 0x003b <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0100 <ignored>, with 0x00 bytes
cd_profiles: GET CONFIGURATION: feature 0x0103 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0105 <ignored>, with 0x00 bytes
cd_profiles: GET CONFIGURATION: feature 0x0106 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0107 <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x0108 <ignored>, with 0x08 bytes
cd_profiles: GET CONFIGURATION: feature 0x010a <ignored>, with 0x0c bytes
cd_profiles: GET CONFIGURATION: feature 0x010b <ignored>, with 0x04 bytes
cd_profiles: GET CONFIGURATION: feature 0x010c <ignored>, with 0x10 bytes
cd_profiles: GET CONFIGURATION: feature 0x0113 <ignored>, with 0x04 bytes
cd_profiles: current profile 0x09
cd_profiles: profile 0x09 media_cd_r
cd_media_info: disk type ff
info_scsi_cmd_err: READ TOC failed with SK=5h/ASC=24h/ACQ=00h
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_CD_R=1
ID_CDROM_MEDIA_STATE=blank
ID_CDROM_MEDIA_SESSION_NEXT=1
ID_CDROM_MEDIA_SESSION_COUNT=1
ID_CDROM_MEDIA_TRACK_COUNT=1