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I'm certain this used to work (some months ago), but I can not get WODIM to burn a DVD from an ISO image.

I know that my DVD drive is working, and that the device assigned to it is /dev/sr0 (I know its /dev/sr0 because "eject /dev/sr0" works)

When I try and burn an iso using the command "wodim dev=/dev/sr0 -v image1.iso" I get the following result:

root@folio:/lib/modules# wodim dev=/dev/sr0 -v image1.iso  
wodim: No write mode specified.
wodim: Assuming -tao mode.
wodim: Future versions of wodim may have different drive dependent defaults.
TOC Type: 1 = CD-ROM
scsidev: '/dev/sr0'
devname: '/dev/sr0'
scsibus: -2 target: -2 lun: -2
Linux sg driver version: 3.5.27
wodim: Success. 
Cannot open SCSI driver!
For possible targets try 'wodim --devices' or 'wodim -scanbus'.
For possible transport specifiers try 'wodim dev=help'.
For IDE/ATAPI devices configuration, see the file README.ATAPI.setup from
the wodim documentation.

(If I use the command wodim dev=/dev/sr0 -dao -v image1.iso I get the same result minus the -tao message)

wodim --devices shows nothing (Just to lines of ----)

wodim -scanbus shows

scsibus0:
    0,0,0     0) 'ATA     ' 'SAMSUNG MZMPA128' 'AXM1' Disk
    0,1,0     1) *
    0,2,0     2) *
    0,3,0     3) *
    0,4,0     4) *
    0,5,0     5) *
    0,6,0     6) *
    0,7,0     7) *
scsibus6:
    6,0,0   600) 'Generic-' 'xD/SD/M.S.      ' '1.00' Removable Disk
    6,1,0   601) *
    6,2,0   602) *
    6,3,0   603) *
    6,4,0   604) *
    6,5,0   605) *
    6,6,0   606) *
    6,7,0   607) *

The ATA device is my SSD disk. I'd imagine that device 6,0,0 represents my SD card reader (built into the PC). nevertheless I tried to burn using dev=6,0,0 and it did not work - not a surprise really.

I am running the following kernel - Linux folio 3.2.0-34-generic #53-Ubuntu SMP Thu Nov 15 10:48:16 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

When I unplug and plug in the disk (and then try a burn with WODIM which fails), syslog shows

[3709678.451109] usb 2-1.2: USB disconnect, device number 89
[3709687.901218] usb 2-1.2: new high-speed USB device number 90 using ehci_hcd
[3709688.002048] scsi2691 : usb-storage 2-1.2:1.0
[3709689.004370] scsi 2691:0:0:0: CD-ROM            TSSTcorp CDDVDW SE-208AB  TS00 PQ: 0 ANSI: 0
[3709689.035744] sr0: scsi3-mmc drive: 62x/24x writer dvd-ram cd/rw xa/form2 cdda tray
[3709689.036166] sr 2691:0:0:0: Attached scsi CD-ROM sr0
[3709689.036675] sr 2691:0:0:0: Attached scsi generic sg2 type 5
[3710909.678527] UDF-fs: Partition marked readonly; forcing readonly mount
[3710909.755672] UDF-fs: INFO Mounting volume 'UDF Volume', timestamp 2011/04/12 21:38 (12d0)
[3711084.994284] usb 2-1.2: USB disconnect, device number 90
[3711090.919294] usb 2-1.2: new high-speed USB device number 91 using ehci_hcd
[3711091.044646] scsi2692 : usb-storage 2-1.2:1.0
[3711092.046229] scsi 2692:0:0:0: CD-ROM            TSSTcorp CDDVDW SE-208AB  TS00 PQ: 0 ANSI: 0
[3711092.079436] sr0: scsi3-mmc drive: 62x/24x writer dvd-ram cd/rw xa/form2 cdda tray
[3711092.079910] sr 2692:0:0:0: Attached scsi CD-ROM sr0
[3711092.081155] sr 2692:0:0:0: Attached scsi generic sg2 type 5

When I put a disk in the drive udev typically does its thing, ie it mounts a disk with data, and pops up a screen (which I can't use, it does not offer a burn a disk option)

Anyone have any pointers to why this is not working ?

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1 Answer 1

up vote 0 down vote accepted

I managed to get this working in the end.

I did an apt-get upgrade, which installed a substantial amount of new code (downloaded about 350 megs), but this did not make a difference, and wodim did not perform any differently.

Although the kernel did not change, I rebooted the machine and tried again and I was able to burn the disks without issue. I suspect that somewhere along the way a driver got confused, and rebooting fixed the issue. (Its a bit embarrassing to need to reboot a Linux box though !)

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