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From: B Thomas on 29 Sep 2006 20:02
I have a Sony CDRW/DVDRW drive that can burn DVD perfectly well
using growisofs. However if I try to burn any CD-R using cdrecord
it fails while performing OPC. This is an ATAPI drive. I replaced
it with a SCSI Yamaha CD burner and the same problem occurs. I
am using Debian/Sarge with the vesion of cdrecord that comes
along with it. I was able find two bug reports at bugs.debian.org
for the cdrecord package of the same nature. In one of those reports
a cdrecord developer claims this is not a bug in cdrecord. Though
I am not sure I understood all the details of his arguments.

I used to be able to burn CDs easly with my ATAPI CDRW drive which
died. Ever since neither the CD/DVD RW nor the SCSI CDRW work for
burning CDs.

I would be greatfull if someone is familiar with this problem and
could shed some light on how I can fix or work around this problem.

Here is verbose output from cdrecord indicating the error :

------------------------------------------------------------------
Warning: Using badly designed ATAPI via /dev/hd* interface.
Linux sg driver version: 3.5.27
Using libscg version 'schily-0.8'.
SCSI buffer size: 64512
atapi: -1
Device type : Removable CD-ROM
Version : 0
Response Format: 2
Capabilities :
Vendor_info : 'TSSTcorp'
Identifikation : 'CD/DVDW TS-H552B'
Revision : 'TS04'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x0009
Profile: 0x002B
Profile: 0x001B
Profile: 0x001A
Profile: 0x0014
Profile: 0x0013
Profile: 0x0011
Profile: 0x0010
Profile: 0x000A
Profile: 0x0009 (current)
Profile: 0x0008
cdrecord: This version of cdrecord does not include DVD-R/DVD-RW support code.
cdrecord: See /usr/share/doc/cdrecord/README.DVD.Debian for details on DVD
support.
Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
Driver flags : MMC-3 SWABAUDIO BURNFREE
Supported modes: TAO SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1968384 = 1922 KB
FIFO size : 4194304 = 4096 KB
Track 01: data 700 MB
Total size: 804 MB (79:39.49) = 358462 sectors
Lout start: 804 MB (79:41/37) = 358462 sectors
Current Secsize: 2048
ATIP info from disk:
Indicated writing power: 5
Is not unrestricted
Is not erasable
Disk sub type: Medium Type B, low Beta category (B-) (4)
ATIP start of lead in: -11834 (97:24/16)
ATIP start of lead out: 359849 (79:59/74)
Disk type: Short strategy type (Phthalocyanine or similar)
Manuf. index: 24
Manufacturer: SONY Corporation
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 1387
cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
cdrecord: Permission denied. WARNING: Cannot set priority using setpriority().
cdrecord: WARNING: This causes a high risk for buffer underruns.
Starting to write CD/DVD at speed 8 in real SAO mode for single session.
Last chance to quit, starting real write 0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
BURN-Free is ON.
Turning BURN-Free off
Performing OPC...
cdrecord: Success. send opc: scsi sendcmd: no error
CDB: 54 01 00 00 00 00 00 00 00 00
status: 0x4 (CONDITION MET/GOOD)
cmd finished after 200.098s timeout 200s
cdrecord: OPC failed.
Writing time: 200.137s
cdrecord: fifo had 64 puts and 0 gets.
cdrecord: fifo was 0 times empty and 0 times full, min fill was 100%.

-------------------------------------------------------------------------------

TIA

b thomas
From: ArameFarpado on 29 Sep 2006 20:28
What is your kernel version ?

if it is 2.4 then you should be using scsi emulation, and you are not:
> Warning: Using badly designed ATAPI via /dev/hd* interface.

if it is 2.6 then there is a permission problem... in this case i used to
work with a changed cdrecord (from mandriva distro), but now there is no
more need for that as in Debian Sid, cdrecord was replaced by wodim.

best regards
ArameFarpado
From: B Thomas on 29 Sep 2006 20:41
Hi,

I am using kernel 2.6.15 .

What is the permission problem you talk about ? Can this be fixed by
running cdrecord suid root.

I gather wodim is part of cdrkit. I shall try and build this one sarge
(hopefull all build dependencies can be satisfied).

Also I would be greatfull if you could give me a pointer on which is
the changed cdrecord version you used (from the mandriva distro).
I try and package it for Debian/Sarge. Did you use it on Debian or
Mandriva ?

regards
b thomas

ArameFarpado <a-farpado.spam(a)netcabo.pt> wrote:
> What is your kernel version ?
>
> if it is 2.4 then you should be using scsi emulation, and you are not:
>> Warning: Using badly designed ATAPI via /dev/hd* interface.
>
> if it is 2.6 then there is a permission problem... in this case i used to
> work with a changed cdrecord (from mandriva distro), but now there is no
> more need for that as in Debian Sid, cdrecord was replaced by wodim.
>
> best regards
> ArameFarpado
From: ArameFarpado on 29 Sep 2006 21:31
B Thomas wrote:

> Hi,
Hello

> I am using kernel 2.6.15 .
>
> What is the permission problem you talk about ? Can this be fixed by
> running cdrecord suid root.
Can't tell you that because i'de never understand the situation myself... it
happend after kernel 2.6.8. (if i'm not mistaken)
All permissions settings looked ok, but cdrecord allways gave me permission
problems.
If this is your problem, you should be able to burn a cd if you start k3b
(or just cdrecord) as root. you might wanna do this once just to see if
your problem is really just cdrecord permissions.

> I gather wodim is part of cdrkit. I shall try and build this one sarge
> (hopefull all build dependencies can be satisfied).
i don't recall any dependencies to install wodim (but then apt do that stuff
for us, right), but you will need to to one thing if the package doesn't do
it for you:
you see, your version of k3b is programed to look for "cdrecord",
not "wodim", so detete the cdrecord program and create a symlink
called "cdrecord" pointing to wodin
# ln -s ./wodim ./cdrecord (do this in /usr/bin)
after this, k3b will still call cdrecord, but will be wodim that will work.

> Also I would be greatfull if you could give me a pointer on which is
> the changed cdrecord version you used (from the mandriva distro).
> I try and package it for Debian/Sarge. Did you use it on Debian or
> Mandriva ?
No package :)
I used to just replace the "cdrecord" file in /usr/bin with the same file
copied from a mandriva instalation... just simply replace a file.
This was my solution until wodim came out, now i don't need to do this
anymore.

Regards
ArameFarpado

From: B Thomas on 30 Sep 2006 01:28

Here is some further information regarding this problem.

1) It is not a permissions issue. As running cdrecord
suid root or as root makes not difference

2) It has nothing to do with the ATAPI interface or IDE/SCSI
etc. As it occurs for both and ATAPI CDRW without using
scsi emulation (i.e. dev=ATA: ... ), and a SCSI CDRW.

3) I was able to burn cd's with my previous (really old)
cdwriter using EXACTLY the same software configuration
(including the kernel 2.6.15) and the same batch of
SONY CD-Rs

regards
b thomas

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