Re: problem with cdrecord in dao mode

anyone knows is there any other group to post this?

damian wrote:
I don't know what else to do, it is impossible for me to burn a cd in
dao mode.
It starts burning but stops before finishing (sometimes around 20%, but
depends on what i'm burning).

I se a really strange behaviour: burning at 40x spped, it starts
burning really at 40x, when normally - at least with my cd burner,
under windows (nero) or linux (with cdrecord on tao or raw mode) - it
starts at ~15X and steps 2 or 3 times and ends recording at ~40X.
I post below the output of cdrecord...
Another question: I think I know the differences between dao and tao,
but what is raw mode?


$ cdrecord dev=/dev/hda -dao -dummy driveropts=burnfree -v -data
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
and thus may have bugs that are not present in the original
Please send bug reports and support requests to
The original author should not be bothered with problems of this

cdrecord: Warning: Running on Linux-2.6.15-23-k7
cdrecord: There are unsettled issues with Linux-2.5 and newer.
cdrecord: If you have unexpected problems, please try Linux-2.4 or
TOC Type: 1 = CD-ROM
scsidev: '/dev/hda'
devname: '/dev/hda'
scsibus: -2 target: -2 lun: -2
Warning: Open by 'devname' is unintentional and not supported.
Linux sg driver version: 3.5.27
Using libscg version 'debian-0.8debian2'.
cdrecord: Warning: using inofficial version of libscg
(debian-0.8debian2 '@(#)scsitransp.c 1.91 04/06/17 Copyright
1988,1995,2000-2004 J. Schilling').
Driveropts: 'burnfree'
SCSI buffer size: 64512
atapi: 1
Device type : Removable CD-ROM
Version : 0
Response Format: 1
Vendor_info : 'SONY '
Identifikation : 'CD-RW CRX230E5 '
Revision : '5.0K'
Device seems to be: Generic mmc CD-RW.
Current: 0x0009
Profile: 0x000A
Profile: 0x0009 (current)
Profile: 0x0008
Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
Supported modes: TAO PACKET SAO SAO/R96P RAW/R16 RAW/R96R
Drive buf size : 1575840 = 1538 KB
FIFO size : 4194304 = 4096 KB
Track 01: data 686 MB
Total size: 787 MB (78:03.70) = 351278 sectors
Lout start: 788 MB (78:05/53) = 351278 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: -11607 (97:27/18)
ATIP start of lead out: 359849 (79:59/74)
Disk type: Short strategy type (Phthalocyanine or similar)
Manuf. index: 18
Manufacturer: Plasmon Data systems Ltd.
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 8571
Starting to write CD/DVD at speed 40 in dummy SAO mode for single
Last chance to quit, starting dummy write 0 seconds. Operation
Waiting for reader process to fill input buffer ... input buffer ready.
BURN-Free is ON.
Sending CUE sheet...
Writing pregap for track 1 at 351278
Starting new track at sector: 351428
Track 01: 34 of 686 MB written (fifo 98%) [buf 97%]
42.5x.cdrecord: Success. write_g1: scsi sendcmd: no error
CDB: 2A 00 00 05 A2 A3 00 00 1F 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 03 00 00 00 00 0A 00 00 00 00 0C 00 00 00
Sense Key: 0x3 Medium Error, Segment 0
Sense Code: 0x0C Qual 0x00 (write error) Fru 0x0
Sense flags: Blk 0 (not valid)
resid: 63488
cmd finished after 10.357s timeout 200s

write track data: error after 36632576 bytes
cdrecord: A write error occured.
cdrecord: Please properly read the error message above.
Writing time: 47.559s
Average write speed 98.6x.
Min drive buffer fill was 96%
WARNING: Some drives don't like fixation in dummy mode.
Fixating time: 0.003s
cdrecord: fifo had 641 puts and 578 gets.
cdrecord: fifo was 0 times empty and 254 times full, min fill was 89%.


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