Hello,

using growisofs 5.17.4.8.6 and trying to burn a DVD+R (Verbatim labelled
4x), I am getting the following error:

[EMAIL PROTECTED]:/scr> growisofs -speed=4 -dvd-video -Z /dev/sr0=image
Executing 'builtin_dd if=image of=/dev/sr0 obs=32k seek=0'
:-( Failed to change write speed: 8310->5540

On the other hand, setting no speed at all, results in a burning process
starting at 6x, then ending at 8x:

[EMAIL PROTECTED]:/scr> growisofs  -dvd-video -Z /dev/sr0=image
Executing 'builtin_dd if=image of=/dev/sr0 obs=32k seek=0'
/dev/sr0: "Current Write Speed" is 6.1x1385KBps.
         0/2010200064 ( 0.0%) @0x, remaining ??:??
         0/2010200064 ( 0.0%) @0x, remaining ??:??
         0/2010200064 ( 0.0%) @0x, remaining ??:??
  20348928/2010200064 ( 1.0%) @4.3x, remaining 27:42
  48332800/2010200064 ( 2.4%) @5.9x, remaining 13:31
  76316672/2010200064 ( 3.8%) @5.9x, remaining 10:08
 104300544/2010200064 ( 5.2%) @5.9x, remaining 8:13
 132284416/2010200064 ( 6.6%) @5.9x, remaining 7:05
 160268288/2010200064 ( 8.0%) @5.9x, remaining 6:32
 188252160/2010200064 ( 9.4%) @5.9x, remaining 5:58
 216236032/2010200064 (10.8%) @5.9x, remaining 5:31
...
1918402560/2010200064 (95.4%) @7.9x, remaining 0:10
1955692544/2010200064 (97.3%) @7.8x, remaining 0:06
1993015296/2010200064 (99.1%) @7.9x, remaining 0:01

But then, dvd+rw-mediainfo tells me:

[EMAIL PROTECTED]:~/tmp> dvd+rw-mediainfo /dev/sr0
INQUIRY:                [PLEXTOR ][DVDR   PX-708A  ][1.04]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         1Bh, DVD+R
 Media ID:              YUDEN000/T01
 Current Write Speed:   8.0x1385=11080KB/s
 Write Speed #0:        8.0x1385=11080KB/s
 Write Speed #1:        4.0x1385=5540KB/s
 Write Speed #2:        2.4x1385=3324KB/s
GET [CURRENT] PERFORMANCE:
 Write Performance:     6.0x1385=8310KB/[EMAIL PROTECTED] -> 385023]
                        8.0x1385=11080KB/[EMAIL PROTECTED] -> 2295103]
 Speed Descriptor#0:    02/981552 [EMAIL PROTECTED]/s
[EMAIL PROTECTED]/s
 Speed Descriptor#1:    02/981552 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
 Speed Descriptor#2:    02/981552 [EMAIL PROTECTED]/s [EMAIL PROTECTED]/s
READ DVD STRUCTURE[#0h]:
 Media Book Type:       A1h, DVD+R book [revision 1]
 Legacy lead-out at:    981552*2KB=2010218496
READ DISC INFORMATION:
 Disc status:           complete
 Number of Sessions:    1
 State of Last Session: complete
 Number of Tracks:      1
READ TRACK INFORMATION[#1]:
 Track State:           partial
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            981552*2KB
FABRICATED TOC:
 Track#1  :             [EMAIL PROTECTED]
 Track#AA :             [EMAIL PROTECTED]
 Multi-session Info:    [EMAIL PROTECTED]

Can you explain why I cannot burn this media with 4x speed?

I must tell you that I CAN burn this media 4x with cdrecord-prodvd! So
there must be a way to do it but growisofs won't let me...

Best regards

Oliver Tennert

__
________________________________________creating IT solutions

Dr. Oliver Tennert                      science + computing ag
phone   +49(0)7071 9457-598             Hagellocher Weg 71-75
fax     +49(0)7071 9457-411             D-72070 Tuebingen, Germany
[EMAIL PROTECTED]               www.science-computing.de




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