rw-шка не жжоцца

muromec@offline.net  ~ % dvd+rw-format -format /dev/hda                                                                                         
* DVDRW/-RAM format utility by <appro@fy.chalmers.se>, version 4.10.
* 4.7GB DVD-RW media in Restricted Overwrite mode detected.
* formatting .:-[ READ TRACK INFORMATION failed with SK=5h/ASC=24h/ACQ=00h]: Input/output error
muromec@offline.net  ~ % dvd+rw-format -blank /dev/hda                                                                                          
* DVDRW/-RAM format utility by <appro@fy.chalmers.se>, version 4.10.
* 4.7GB DVD-RW media in Restricted Overwrite mode detected.
* blanking .:-[ READ TRACK INFORMATION failed with SK=5h/ASC=24h/ACQ=00h]: Input/output error
muromec@offline.net  ~ % dvd+rw-format -blank /dev/hda                                                                                          

muromec@offline.net  ~ % growisofs -dvd-compat -Z /dev/dvd=/media/tazik/muromec/дистрибутивы/Ubuntu/kubuntu-dapper-install-i386.is
o             17:44 pts/4
Executing 'builtin_dd if=/media/tazik/muromec/дистрибутивы/Ubuntu/kubuntu-dapper-install-i386.iso of=/dev/dvd obs=32k seek=0'
:-[ READ TRACK INFORMATION failed with SK=5h/ASC=24h/ACQ=00h]: Input/output error
muromec@offline.net  ~ % cat /dev/hda                                                                                                           17:44 pts/4
cat: /dev/hda: Input/output error
       
% dvd+rw-mediainfo /dev/hda
INQUIRY:                [_NEC    ][DVD_RW ND-4550A ][1.06]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         13h, DVD-RW Restricted Overwrite
 Media ID:              OPTODISCW002
 Current Write Speed:   6.1x1385=8467KB/s
 Write Speed #0:        6.1x1385=8467KB/s
 Write Speed #1:        5.1x1385=7056KB/s
 Write Speed #2:        4.1x1385=5645KB/s
 Write Speed #3:        3.1x1385=4234KB/s
 Write Speed #4:        2.0x1385=2822KB/s
 Write Speed #5:        1.0x1385=1411KB/s
GET [CURRENT] PERFORMANCE:
 Write Performance:     2.0x1385=2770KB/s@[0 -> 2297888]
 Speed Descriptor#0:    00/2297888 R@5.0x1385=6925KB/s W@2.0x1385=2770KB/s
 Speed Descriptor#1:    03/2297888 R@1.0x1385=1385KB/s W@1.0x1385=1385KB/s
READ DVD STRUCTURE[#10h]:
 Media Book Type:       32h, DVD-RW book [revision 2]
 Legacy lead-out at:    2298496*2KB=4707319808
READ DVD STRUCTURE[#0h]:
 Media Book Type:       32h, DVD-RW book [revision 2]
 Last border-out at:    2298496*2KB=4707319808
READ DISC INFORMATION:
 Disc status:           appendable
 Number of Sessions:    0
 State of Last Session: reserved/damaged
 "Next" Track:          1
 Number of Tracks:      0
READ CAPACITY:          1*2048=2048