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Cdrecord bug in DAO mode (version 2.01a19)



Hi !

Each time I try to burn an Audio CD in DAO mode using Cdrecord and my
QSI Combo CD-writer (I tried speed=4,8,12,16) I receive an error as the
one in the attached file and the CD writing process fails with the waste
of a blank media (I disposed tons of useless blank CDs).

Everything works fine in TAO mode, though I need to use DAO in order not
to have the silence gap between audio tracks.

I am currently using a Redhat 9 distributions and a custom-compiled
kernel 2.4.22. Cdrecord version is 2.01a19 but I also encounter the same
problem with the original version supplied by Redhat.

Any help/advice/patch would be greatly appreciated.

Also, I wish to express a warm "thanks" to all the developers involved
in the Cdrecord project for providing us this great piece of software.

Regards,

Guido
Calling: /usr/lib/xcdroast-0.98/bin/xcdrwrap CDRECORD dev=ATAPI:0,0,0 gracetime=2 fs=12288k driveropts=burnfree -v -useinfo speed=8 -dao -overburn -ignsize -immed -text -audio "/mnt/hda2/track-01.wav" ...

scsidev: 'ATAPI:0,0,0'
devname: 'ATAPI'
scsibus: 0 target: 0 lun: 0
Warning: Using ATA Packet interface.
Warning: The related libscg interface code is in pre alpha.
Warning: There may be fatal problems.
SCSI buffer size: 64512
TOC Type: 0 = CD-DA
Using libscg version 'schily-0.7'
Driveropts: 'burnfree'
atapi: 1
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   :
Vendor_info    : 'QSI     '
Identifikation : 'DVD/CDRW SBW-161'
Revision       : 'SX13'
Device seems to be: Generic mmc2 DVD-ROM.
Current: 0x0009
Profile: 0x0010
Profile: 0x0008
Profile: 0x0009 (current)
Profile: 0x000A
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-2 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1605632 = 1568 KB
FIFO size      : 12582912 = 12288 KB
pregap1: -1
Track 01: audio   58 MB (05:49.45) no preemp copy
Track 02: audio   35 MB (03:33.65) no preemp copy pregapsize:   0
Track 03: audio   43 MB (04:16.53) no preemp copy pregapsize:   0
Track 04: audio   50 MB (04:59.57) no preemp copy pregapsize:   0
Track 05: audio   62 MB (06:09.28) no preemp copy pregapsize:   0
Track 06: audio   61 MB (06:04.90) no preemp copy pregapsize:   0
Track 07: audio   52 MB (05:14.54) no preemp copy pregapsize:   0
Track 08: audio   64 MB (06:20.54) no preemp copy pregapsize:   0
Track 09: audio   50 MB (05:02.92) no preemp copy pregapsize:   0
Track 10: audio   54 MB (05:25.28) no preemp copy pregapsize:   0
Track 11: audio   52 MB (05:10.74) no preemp copy pregapsize:   0
Track 12: audio   54 MB (05:25.54) no preemp copy pregapsize:   0
Track 13: audio   50 MB (04:58.00) no preemp copy pregapsize:   0
Track 14: audio   55 MB (05:30.96) no preemp copy pregapsize:   0
Total size:      747 MB (74:01.94) = 333146 sectors
Lout start:      747 MB (74:03/71) = 333146 sectors
Current Secsize: 2048
ATIP info from disk:
Indicated writing power: 5
Is not unrestricted
Is not erasable
Disk sub type: Medium Type A, low Beta category (A-) (2)
ATIP start of lead in:  -11634 (97:26/66)
ATIP start of lead out: 359846 (79:59/71)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 3
Manufacturer: CMC Magnetics Corporation
Blocks total: 359846 Blocks current: 359846 Blocks remaining: 26700
Starting to write CD/DVD at speed 8 in real SAO mode for single session.
Waiting for reader process to fill input buffer ...
input buffer ready.
BURN-Free is ON.
Performing OPC...
Sending CUE sheet...
SAO startsec: -11634
Writing lead-in...
Lead-in write time:   20.086s
Writing pregap for track 1 at -150
Starting new track at sector: 0

Track 01: Total bytes read/written: 61643568/61643568 (26209 sectors).
Starting new track at sector: 26209

Track 02: Total bytes read/written: 37688448/37688448 (16024 sectors).
Starting new track at sector: 42233

Track 03: Total bytes read/written: 45252480/45252480 (19240 sectors).
Starting new track at sector: 61473

Track 04: Total bytes read/written: 52844736/52844736 (22468 sectors).
Starting new track at sector: 83941

Track 05: Total bytes read/written: 65140992/65140992 (27696 sectors).
Starting new track at sector: 111637

Track 06: Total bytes read/written: 64369536/64369536 (27368 sectors).
Starting new track at sector: 139005

Track 07: Total bytes read/written: 55486032/55486032 (23591 sectors).
Starting new track at sector: 162596
cdrecord: Input/output error. write_g1: scsi sendcmd: no error
CDB:  2A 00 00 02 8E DD 00 00 1B 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 03 00 00 00 00 0A 00 00 00 00 0C 00 00 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) 
cmd finished after 0.000s timeout 200s
cdrecord: A write error occured.
cdrecord: Please properly read the error message above.

write track data: error after 11875248 bytes
Writing  time:  304.930s
Average write speed  15.6x.
Min drive buffer fill was 81%
Fixating...
Fixating time:    0.201s
cdrecord: fifo had 6404 puts and 6213 gets.
cdrecord: fifo was 0 times empty and 4315 times full, min fill was 96%.

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