This is also happening on my system (amd64). The drive is a PIONEER DVD-RW DVR-217D, 1.07, max UDMA/66.
No CD:
$ sudo strace -vvfo /tmp/cdrom_id_new.trace -s 1024 /lib/udev/cdrom_id /dev/sr0 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_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
CD-R:
$ sudo strace -vvfo /tmp/cdrom_id_new.trace -s 1024 /lib/udev/cdrom_id /dev/sr0 [sudo] password for brandon: 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_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
dmesg when I put a blank CD-R in the tray:
[250497.400574] sr 2:0:0:0: [sr0] Sense Key : Blank Check [current] [250497.400579] sr 2:0:0:0: [sr0] Add. Sense: No additional sense information [250497.400584] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00 [250497.400594] end_request: I/O error, dev sr0, sector 0 [250497.400599] Buffer I/O error on device sr0, logical block 0 [250497.662885] sr 2:0:0:0: [sr0] Unhandled sense code [250497.662889] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
That block of text is repeated roughly 52 times.
This is also happening on my system (amd64). The drive is a PIONEER DVD-RW DVR-217D, 1.07, max UDMA/66.
No CD:
$ sudo strace -vvfo /tmp/cdrom_ id_new. trace -s 1024 /lib/udev/cdrom_id /dev/sr0 DVD_PLUS_ R=1 DVD_PLUS_ RW=1 DVD_PLUS_ R_DL=1
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_
ID_CDROM_
ID_CDROM_
ID_CDROM_MRW=1
ID_CDROM_MRW_W=1
CD-R:
$ sudo strace -vvfo /tmp/cdrom_ id_new. trace -s 1024 /lib/udev/cdrom_id /dev/sr0 DVD_PLUS_ R=1 DVD_PLUS_ RW=1 DVD_PLUS_ R_DL=1 MEDIA_CD_ R=1
[sudo] password for brandon:
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_
ID_CDROM_
ID_CDROM_
ID_CDROM_MRW=1
ID_CDROM_MRW_W=1
ID_CDROM_MEDIA=1
ID_CDROM_
dmesg when I put a blank CD-R in the tray:
[250497.400574] sr 2:0:0:0: [sr0] Sense Key : Blank Check [current] DRIVER_ SENSE
[250497.400579] sr 2:0:0:0: [sr0] Add. Sense: No additional sense information
[250497.400584] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
[250497.400594] end_request: I/O error, dev sr0, sector 0
[250497.400599] Buffer I/O error on device sr0, logical block 0
[250497.662885] sr 2:0:0:0: [sr0] Unhandled sense code
[250497.662889] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=
That block of text is repeated roughly 52 times.