Have HP DVD/RW (DVD+R) 16X. It is an orange colored back, and the recording surface is blue. It was recorded using a windows software. My DVD-R/W drive is an 8X drive for DVD write, 4x DVD Rewrite, and 24X for CD. Now I tried to erase it: $ sudo wodim dev=/dev/sr0 blank=all -force Device type : Removable CD-ROM Version : 5 Response Format: 2 Capabilities : Vendor_info : 'Slimtype' Identification : 'DVD A DS8A1P ' Revision : 'CX17' Device seems to be: Generic mmc2 DVD-R/DVD-RW. Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd). Driver flags : SWABAUDIO BURNFREE Supported modes: PACKET SAO Speed set to 11080 KB/s Waiting for drive to calm down. Starting to write CD/DVD at speed 8.0 in real force BLANK mode for single session. Last chance to quit, starting real write in 0 seconds. Operation starts. Errno: 5 (Input/output error), blank unit scsi sendcmd: no error CDB: A1 00 00 00 00 00 00 00 00 00 00 00 status: 0x2 (CHECK CONDITION) Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 30 05 00 00 Sense Key: 0x5 Illegal Request, Segment 0 Sense Code: 0x30 Qual 0x05 (cannot write medium - incompatible format) Fru 0x0 Sense flags: Blk 0 (not valid) cmd finished after 0.117s timeout 9600s Starting to write CD/DVD at speed 8.0 in real force BLANK mode for single session. No chance to quit anymore. Operation starts. Errno: 5 (Input/output error), blank unit scsi sendcmd: no error CDB: A1 00 00 00 00 00 00 00 00 00 00 00 status: 0x2 (CHECK CONDITION) Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 30 05 00 00 Sense Key: 0x5 Illegal Request, Segment 0 Sense Code: 0x30 Qual 0x05 (cannot write medium - incompatible format) Fru 0x0 Sense flags: Blk 0 (not valid) cmd finished after 0.001s timeout 9600s wodim: Cannot blank disk, aborting. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines