Re: wodim woes on dvd writer

On 2007-09-04, Joerg Schilling <js@xxxxxxxxxxxxxxx> claimed:
In article <d1erq4-fci.ln1@xxxxxxxxxxxxxxxxxxxxxxxxx>,
Mark Hobley <markhobley@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
I have installed a DVD+RW drive on a spare computer, and I am trying to burn
some DVD disks.

I first tried a small .iso file using a cdr disk in the drive, and this worked
fine as follows:

wodim speed=1 -dao foobar.iso

md5sum foobar.iso
md5sum /dev/cdrom

Ok, these match.

I now tried the same thing with a larger .iso file for a dvd+r disk:

wodim speed=1 -dao bigiso.iso

md5sum bigiso.iso
md5sum /dev/cdrom

The checksums do not match here. I tried a second disk, and that gives an
error reading media.

Am I using the correct parameters for burning dvds? I have never used a dvd
burner before, so I don't know whether I should be doing something different
to what I would do with a CDR recorder.

After a couple of attempts, I went and bought some rewritable media, so
I could wipe the disks and retry, if it screwed up.

I inserted a blank dvd+rw disk into the drive, and tried the same command:

wodim speed=1 -dao bigiso.iso

Quickly guessing the name of a drive capable to write DVD-R, please wait...
Found /dev/dvdrw, assuming dev=/dev/dvdrw
Device type : Removable CD-ROM
Version : 0
Response Format: 2
Capabilities :
Vendor_info : 'LITE-ON '
Identification : 'DVDRW SOHW-812S '
Revision : 'US0Q'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd).
Driver flags : SWABAUDIO BURNFREE
Supported modes: PACKET SAO
Speed set to 3324 KB/s
Starting to write CD/DVD at speed 2.0 in real SAO mode for single session.
Last chance to quit, starting real write 0 seconds. Operation starts.
Errno: 0 (Success), write_g1 scsi sendcmd: no error
CDB: 2A 00 00 00 00 00 00 00 1F 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 30 10 00 00
Sense Key: 0x5 Illegal Request, Segment 0
Sense Code: 0x30 Qual 0x10 (medium not formatted) Fru 0x0
Sense flags: Blk 0 (not valid)

You are using a defective fork instead of the original cdrecord.

This fork is based on a 2 year old version of cdrtools. The working DVD
support code has been ripped off and replaced by something that does not
work problerly.

The original cdrecord supports automated formatting of maiden media since
April 2003.

http://cdrecord.berlios.de/

Download a recent or the latest version and also read:

http://cdrecord.berlios.de/new/private/linux-dist.html

I just replaced it all on your advice.

Now if I could just figure out why my DVD burns are going bad. It's
been happening over several distros for awhile now. I have 2 different
burners hooked up and neither burns the iso with the same md5sum as the
original iso. I've even changed machines and swapped out one of the
burners more recently, but still no-go.

--
CAUTION! Do Not Look Into Laser With Remaining Eye.
.

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