k3b problems with NEC nd-1300a

[Bernd Radinger]

On Wed, 23 Feb 2005 15:52:33 +0000, Nigel Wade <nmw at ion.le.ac.uk> wrote:
> I'm having some problems with k3b since I changed DVD burners to a NEC
> ND-1300A. AFAIK the firmware is at the latest rev. - 1.0B.
> 
> First off I can't write to a DVD as non-root anymore. The "Burning ISO9660
> image" dialog box reports the error:
> 
> growisofs
> -----------------------
> :-( unable to GET CONFIGURATION: Operation not permitted
> :-( non-MMC unit?
> 
> I get the same message if I attempt to read the mediainfo using
> dvd+rw-mediainfo. I presume it's a permission problem somewhere, but where?
> All that's changed is the burner. The /dev/ entries are the same.
> 
> Another problem is what is reported in Setting->Configure K3b... Devices. If
> I look at the device properties as myself it says it can't write CDs or
> DVD+ and Write Modes is listed as None.
> 
> Under Settings->Configure K3b... Programs it can't find dvd+rw-format. The
> executable exists in /usr/bin, so why is k3b not able to find it? It finds
> /usr/bin/cdrdao and /usr/bin/cdrecord so it's looking in /usr/bin ok. The
> permissions on the executable are ok.
> 
> If I try to write to a 4x DVD-R I am only able to write at 2x speed. The
> media is BulkPAQ orange which dvd+rw-mediainfo lists as:
> 
> # dvd+rw-mediainfo /dev/hdc
> INQUIRY:                [_NEC    ][DVD_RW ND-1300A ][1.0B]
> GET [CURRENT] CONFIGURATION:
>   Mounted Media:         11h, DVD-R Sequential
>   Media ID:              VDSPMSAB 01
> 
> GET [CURRENT] PERFORMANCE:
>   Write Performance:     2.0x1385=2704KB/s@[0 -> 0]
>   Speed Descriptor#0:    00/0 R at 7.8x1385=10816KB/s W at 3.9x1385=5408KB/s
>   Speed Descriptor#1:    00/0 R at 7.8x1385=10816KB/s W at 2.0x1385=2704KB/s
> 
> If I try the same for a Sony DVD writer I get:
> 
> $ dvd+rw-mediainfo /dev/cdrom
> INQUIRY:                [SONY    ][DVD RW DW-U14A  ][1.0c]
> GET [CURRENT] CONFIGURATION:
>   Mounted Media:         11h, DVD-R Sequential
> READ DVD STRUCTURE[#0eh]:
>   MediaID:               VDSPMSAB 01
>   Current Write Speed:   4.0x1385=5540KB/s
>   Write Speed #0:        4.0x1385=5540KB/s
>   Write Speed #1:        2.0x1385=2770KB/s
>   Write Speed #2:        1.0x1385=1385KB/s
> 
> and k3b on this system allows me to write a 4x speed.
> 
> Is the problem that the drive is reporting 3.9x rather than 4x? Or is it
> that k3b just doesn't understand the format of the drive report?
> 
> k3b version is 0.11.9 with FC2 running kernel 2.6.8-1.521.

install all updates for fc2 and see if the problem persists

-- 
Bernd