Knoppix 5.0.1CD external CD-Burner Problem

[Ralph.Bremer]

Knoppix 5.0.1CD external CD-Burner Problem

Hello,
trying to use my external cd-Burner which worked with 4.0.2
( but only when cdrecord not set to setuid-root which is causing buffer-underruns because of no priority )
i now get errors whatever i do ( fortunately before it writes to CD )

i tryed to use everything unchanged ... using the assistent for permissons ... chmod ug+s /usr/bin/cdrec*

in all cases i get different errors ...

when not setuid-root it tryes to access /dev/pg0 ... this is paralell-prot atapi !!! ??? why ???
is there any magic thing to do because normally scsi-ide is no longer used but usb-burner is still scsi ???

i often used an older knoppix as a rescue system ...
in this case the internal CD is used by knoppix and i need the external burner to do the backup ...


i will list the 3 cases the 'permissions' and thereafter the failure-output of k3b ...

( i booted the V5.0.1CD which i burned before and tryed to burn
the iso which is still on hd again as an example/test )

-rwxr-sr-x 1 root cdrom    133 2005-08-13 06:21 /usr/bin/cdrecord
-rwxr-sr-x 1 root cdrom 351316 2005-08-13 06:21 /usr/bin/cdrecord.mmap
-rwxr-sr-x 1 root cdrom 351316 2005-08-13 06:21 /usr/bin/cdrecord.shm

System
-----------------------
K3b Version: 0.12.15

KDE Version: 3.5.2
QT Version:  3.3.6
Kernel:      2.6.17
Devices
-----------------------
AOPEN CD-RW CRW5224 1.05 (/dev/scd0, ) at /media/cdrom [CD-R; CD-RW; CD-Rom] [CD-Rom; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96P; SAO/R96R; RAW/R96R]


_NEC DVD_RW ND-3520A 1.04 (/dev/hdc, ) at /media/hdc [CD-R; CD-RW; CD-Rom; DVD-Rom; DVD-R; DVD-RW; DVD+R; DVD+RW; DVD+R doppelschichtig] [DVD-Rom; DVD-R Sequentiell; DVD-RW Eingeschränktes Überbrennen; DVD-RW Sequentiell; DVD+RW; DVD+R; DVD+R Doppelschicht; CD-Rom; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96R; RAW/R96R; Eingeschränktes Überschreiben]
Used versions
-----------------------
cdrecord: 2.1.1a01

cdrecord
-----------------------
/usr/bin/cdrecord: Warning: Running on Linux-2.6.17
/usr/bin/cdrecord: There are unsettled issues with Linux-2.5 and newer.
/usr/bin/cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
/usr/bin/cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2).
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
/usr/bin/cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
/usr/bin/cdrecord: Permission denied. WARNING: Cannot set priority using setpriority().
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
/usr/bin/cdrecord: No such file or directory. Cannot open '/dev/pg0'. Cannot open SCSI driver.
/usr/bin/cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
/usr/bin/cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
/usr/bin/cdrecord: 
/usr/bin/cdrecord: For more information, install the cdrtools-doc
/usr/bin/cdrecord: package and read /usr/share/doc/cdrecord/README.ATAPI.setup .
Cdrecord-Clone 2.01.01a01 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Joerg Schilling
NOTE: this version of cdrecord is an inofficial (modified) release of cdrecord
      and thus may have bugs that are not present in the original version.
      Please send bug reports and support requests to <[email protected]>.
      The original author should not be bothered with problems of this version.
TOC Type: 1 = CD-ROM

cdrecord command:
-----------------------
/usr/bin/cdrecord.mmap -v gracetime=2 dev=0,0,0 speed=8 -dao -dummy driveropts=burnfree -eject -data /mnt/hda1/Dokumente und Einstellungen/Ralph/Desktop/KanotixKnoppix/KNOPPIX_V5.0.1CD-2006-06-01-DE.iso

-rwxr-sr-x 1 root cdrom    133 2005-08-13 06:21 /usr/bin/cdrecord
-rwxr-xr-x 1 root root  351316 2005-08-13 06:21 /usr/bin/cdrecord.mmap
-rwxr-sr-x 1 root cdrom 351316 2005-08-13 06:21 /usr/bin/cdrecord.shm

System
-----------------------
K3b Version: 0.12.15

KDE Version: 3.5.2
QT Version:  3.3.6
Kernel:      2.6.17
Devices
-----------------------
AOPEN CD-RW CRW5224 1.05 (/dev/scd0, ) at /media/cdrom [CD-R; CD-RW; CD-Rom] [CD-Rom; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96P; SAO/R96R; RAW/R96R]

_NEC DVD_RW ND-3520A 1.04 (/dev/hdc, ) at /media/hdc [CD-R; CD-RW; CD-Rom; DVD-Rom; DVD-R; DVD-RW; DVD+R; DVD+RW; DVD+R doppelschichtig] [DVD-Rom; DVD-R Sequentiell; DVD-RW Eingeschränktes Überbrennen; DVD-RW Sequentiell; DVD+RW; DVD+R; DVD+R Doppelschicht; CD-Rom; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96R; RAW/R96R; Eingeschränktes Überschreiben]
Used versions
-----------------------
cdrecord: 2.1.1a01

cdrecord
-----------------------
/usr/bin/cdrecord: Warning: Running on Linux-2.6.17
/usr/bin/cdrecord: There are unsettled issues with Linux-2.5 and newer.
/usr/bin/cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
/usr/bin/cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2).
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
/usr/bin/cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
/usr/bin/cdrecord: Permission denied. WARNING: Cannot set priority using setpriority().
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
/usr/bin/cdrecord: No such file or directory. Cannot open '/dev/pg0'. Cannot open SCSI driver.
/usr/bin/cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
/usr/bin/cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
/usr/bin/cdrecord: 
/usr/bin/cdrecord: For more information, install the cdrtools-doc
/usr/bin/cdrecord: package and read /usr/share/doc/cdrecord/README.ATAPI.setup .
Cdrecord-Clone 2.01.01a01 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Joerg Schilling
NOTE: this version of cdrecord is an inofficial (modified) release of cdrecord
      and thus may have bugs that are not present in the original version.
      Please send bug reports and support requests to <[email protected]>.
      The original author should not be bothered with problems of this version.
TOC Type: 1 = CD-ROM

cdrecord command:
-----------------------
/usr/bin/cdrecord.mmap -v gracetime=2 dev=0,0,0 speed=8 -dao -dummy driveropts=burnfree -eject -data /mnt/hda1/Dokumente und Einstellungen/Ralph/Desktop/KanotixKnoppix/KNOPPIX_V5.0.1CD-2006-06-01-DE.iso

-rwsr-sr-x 1 root cdrom    133 2005-08-13 06:21 /usr/bin/cdrecord
-rwsr-sr-x 1 root root  351316 2005-08-13 06:21 /usr/bin/cdrecord.mmap
-rwsr-sr-x 1 root cdrom 351316 2005-08-13 06:21 /usr/bin/cdrecord.shm

System
-----------------------
K3b Version: 0.12.15

KDE Version: 3.5.2
QT Version:  3.3.6
Kernel:      2.6.17
Devices
-----------------------
AOPEN CD-RW CRW5224 1.05 (/dev/scd0, ) at /media/cdrom [CD-R; CD-RW; CD-Rom] [CD-Rom; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96P; SAO/R96R; RAW/R96R]

_NEC DVD_RW ND-3520A 1.04 (/dev/hdc, ) at /media/hdc [CD-R; CD-RW; CD-Rom; DVD-Rom; DVD-R; DVD-RW; DVD+R; DVD+RW; DVD+R doppelschichtig] [DVD-Rom; DVD-R Sequentiell; DVD-RW Eingeschränktes Überbrennen; DVD-RW Sequentiell; DVD+RW; DVD+R; DVD+R Doppelschicht; CD-Rom; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96R; RAW/R96R; Eingeschränktes Überschreiben]
Used versions
-----------------------
cdrecord: 2.1.1a01

cdrecord
-----------------------
/usr/bin/cdrecord: Warning: Running on Linux-2.6.17
/usr/bin/cdrecord: There are unsettled issues with Linux-2.5 and newer.
/usr/bin/cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
Cdrecord-Clone 2.01.01a01 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Joerg Schilling
NOTE: this version of cdrecord is an inofficial (modified) release of cdrecord
      and thus may have bugs that are not present in the original version.
      Please send bug reports and support requests to <[email protected]>.
      The original author should not be bothered with problems of this version.
TOC Type: 1 = CD-ROM
scsidev: '1,0,0'
scsibus: 1 target: 0 lun: 0
/usr/bin/cdrecord: No such file or directory. Cannot open '/dev/sg*'. Cannot open SCSI driver.
/usr/bin/cdrecord: For possible targets try 'cdrecord -scanbus'.
/usr/bin/cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
/usr/bin/cdrecord: 
/usr/bin/cdrecord: For more information, install the cdrtools-doc
/usr/bin/cdrecord: package and read /usr/share/doc/cdrecord/README.ATAPI.setup .

cdrecord command:
-----------------------
/usr/bin/cdrecord.mmap -v gracetime=2 dev=1,0,0 speed=8 -dao -dummy driveropts=burnfree -eject -data /mnt/hda1/Dokumente und Einstellungen/Ralph/Desktop/KanotixKnoppix/KNOPPIX_V5.0.1CD-2006-06-01-DE.iso

Ralph

[Ralph.Bremer]

i found the solution ...
the devices /dev/sg* are really missing ...
after creating /dev/sg0 k3b simulation mode starts working
i added this as a bug http://www.knoppix.net/wiki/Bugs/5.01CD

Ralph

[perce]

I have a similar issue with Knoppix 5.0 installed on HD and an external Benq DVD writer. After some tries I could burn with cdrecord with the command cdrecord dev=/dev/sr0 speed=24 -data /media/hda5/k3b_image.iso as root, although cdercord dev=help says Open via UNIX device: not supported. So the problem seems to be that cdrecord doesn't know what it supports, and that K3B invokes it with the wrong options.

Paolo