Devices
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Optiarc DVD RW AD-7170S 1.02 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, Последовательный DVD-R, Двухслойный последовательный DVD-R, DVD-R Dual Layer Jump, DVD-RAM, DVD-RW с ограниченной перезаписью, Последовательный DVD-RW, DVD+RW, DVD+R, Двухслойный DVD+R, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96R, RAW/R96R, Ограниченная перезапись, Layer Jump] [%7]

System
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K3b Version: 2.0.2
KDE Version: 4.11.1
QT Version:  4.8.5
Kernel:      3.11.1-un-def-alt2

Used versions
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cdrecord: 1.1.11

cdrecord
-----------------------
scsidev: '/dev/sr0'
devname: '/dev/sr0'
scsibus: -2 target: -2 lun: -2
Linux sg driver version: 3.5.27
Wodim version: 1.1.11
SCSI buffer size: 64512
Beginning DMA speed test. Set CDR_NODMATEST environment variable if device
communication breaks or freezes immediately after that.
TOC Type: 1 = CD-ROM
Driveropts: 'burnfree'
Device type    : Removable CD-ROM
Version        : 5
Response Format: 2
Capabilities   : 
Vendor_info    : 'Optiarc '
Identification : 'DVD RW AD-7170S '
Revision       : '1.02'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x0009 (CD-R)
Profile: 0x002B (DVD+R/DL) 
Profile: 0x001B (DVD+R) 
Profile: 0x001A (DVD+RW) 
Profile: 0x0016 (DVD-R/DL layer jump recording) 
Profile: 0x0015 (DVD-R/DL sequential recording) 
Profile: 0x0014 (DVD-RW sequential recording) 
Profile: 0x0013 (DVD-RW restricted overwrite) 
Profile: 0x0012 (DVD-RAM) 
Profile: 0x0011 (DVD-R sequential recording) 
Profile: 0x0010 (DVD-ROM) 
Profile: 0x000A (CD-RW) 
Profile: 0x0009 (CD-R) (current)
Profile: 0x0008 (CD-ROM) (current)
Profile: 0x0002 (Removable disk) 
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-3 SWABAUDIO BURNFREE 
Supported modes: TAO PACKET SAO SAO/R96R RAW/R96R
Drive buf size : 890880 = 870 KB
FIFO size      : 4194304 = 4096 KB
Speed set to 8467 KB/s
Track 01: data   540 MB        
Total size:      620 MB (61:26.40) = 276480 sectors
Lout start:      620 MB (61:28/30) = 276480 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 4
  Is not unrestricted
  Is not erasable
  Disk sub type: Medium Type A, high Beta category (A+) (3)
  ATIP start of lead in:  -11077 (97:34/23)
  ATIP start of lead out: 359848 (79:59/73)
Disk type:    Long strategy type (Cyanine, AZO or similar)
Manuf. index: 11
Manufacturer: Mitsubishi Chemical Corporation
Blocks total: 359848 Blocks current: 359848 Blocks remaining: 83368
Starting to write CD/DVD at speed  48.0 in real SAO mode for single session.
Last chance to quit, starting real write in    2 seconds.
   1 seconds.
   0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
Performing OPC...
Errno: 5 (Input/output error), send opc scsi sendcmd: no error
CDB:  54 01 00 00 00 00 00 00 00 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 03 00 00 00 00 0A 00 00 00 00 73 03 00 00
Sense Key: 0x3 Medium Error, Segment 0
Sense Code: 0x73 Qual 0x03 (power calibration area error) Fru 0x0
Sense flags: Blk 0 (not valid) 
cmd finished after 19.261s timeout 200s
/usr/bin/wodim: OPC failed.
Writing  time:   19.303s
/usr/bin/wodim: fifo had 64 puts and 0 gets.
/usr/bin/wodim: fifo was 0 times empty and 0 times full, min fill was 100%.
BURN-Free was never needed.

cdrecord command:
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/usr/bin/wodim -v gracetime=2 dev=/dev/sr0 speed=48 -sao driveropts=burnfree -data -tsize=276480s -