CD burner woes

Drew Van Zandt drew.vanzandt at gmail.com
Tue Oct 30 10:55:27 EDT 2007


The symptom is that it can;t write the CD.  It runs all the prep, then the
burn itself fails.
scsidev: '1,0,0'
scsibus: 1 target: 0 lun: 0
Linux sg driver version: 3.5.34
Wodim version: 1.1.2
SCSI buffer size: 64512
wodim: Cannot do inquiry for CD/DVD-Recorder.
TOC Type: 0 = CD-DA
atapi: 1
Errno: 5 (Input/output error), test unit ready scsi sendcmd: fatal error
CDB:  00 00 00 00 00 00
cmd finished after 0.000s timeout 200s

On 10/30/07, Ben Scott <dragonhawk at gmail.com> wrote:
>
> On 10/30/07, Drew Van Zandt <drew.vanzandt at gmail.com> wrote:
> > I used to be able to burn CD's on this laptop, now I can't.
>
>   So, um, like... what happens when you try to burn a CD?  :)
>
>   What's your command line (or GUI clickstream)?  Do you get an error
> message?  A program crash?  Does it go through the motions but not
> actually run the burner?  Does it write *something*, but not a
> readable CD?  If so, what's the diagnostic when you try to read the
> CD?  Come on, throw us a bone here.  ;-)
>
> http://support.microsoft.com/kb/555375
>
> http://catb.org/~esr/faqs/smart-questions.html
>
> > Transport name:         sg
> > Open via UNIX device:   not supported   *** DING DING DING looks
> > suspiciously like my issue. ***
>
>   I dunno.  There's all this semi-political crap involved with how
> Linux and/or cdrecord handles opening devices for "generic SCSI"
> access, so that might be a red herring.
>
>   Longer version:
>
>   Linux used to use a different device node for "generic SCSI" (the
> /dev/sg* nodes), with no nice way to map to the "normal" device nodes
> (/dev/s[srt]* and such).  At some point, it was decided that some king
> of ioctl() on the "normal" device nodes would be a better way, and the
> /dev/sg* nodes would be deprecated.
>
>   On top of all that, there is long-standing friction between Jörg
> Schilling (the principle cdrecord author) and the Linux kernel people.
> It started out as disagreement on design of the the Linux SCSI
> subsystem (and generic SCSI in particular), and has since escalated.
> They've been disagreeing for so long they've forgotten why and now
> just hate everything the other side comes up with.
>
>   So messages about this-or-that not being supported, or openable in
> some fashion, may just be a political rant disguised as a diagnostic
> message.
>
> -- Ben
>
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