Slow CD burning with k3b, cdrecord
I can't seem to get my 8x CDRW to record faster than 8x. I've let k3bsetup do
it's thing, so I don't understand why I get the warnings below.
any suggestions would be appreciated.
Chris
System
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K3b Version: 0.9
KDE Version: 3.1.2
QT Version: 3.1.2
cdrecord
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scsidev: '0,1,0'
scsibus: 0 target: 1 lun: 0
Linux sg driver version: 3.1.24
Cdrecord 2.01a14 (i686-pc-linux-gnu) Copyright (C) 1995-2003 Jörg Schilling
TOC Type: 3 = CD-ROM XA mode 2
Using libscg version 'schily-0.7'
atapi: 1
Device type : Removable CD-ROM
Version : 0
Response Format: 1
Vendor_info : 'IDE-CD '
Identifikation : 'R/RW 8x4x32 '
Revision : 'C1.3'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
Driver flags : MMC SWABAUDIO
Supported modes: TAO PACKET RAW/R16
Drive buf size : 1572864 = 1536 KB
FIFO size : 4194304 = 4096 KB
/usr/bin/cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
/usr/bin/cdrecord: Permission denied. WARNING: Cannot set priority using
setpriority().
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
Track 01: data 33 MB
Total size: 38 MB (03:50.64) = 17298 sectors
Lout start: 39 MB (03:52/48) = 17298 sectors
Current Secsize: 2048
ATIP info from disk:
Indicated writing power: 5
Is not unrestricted
Is not erasable
Disk sub type: Medium Type A, high Beta category (A+) (3)
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: 342548
Starting to write CD/DVD at speed 8 in real TAO mode for multi session.
Last chance to quit, starting real write in 2 seconds.
1 seconds.
0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
Performing OPC...
Starting new track at sector: 0
Track 01: 0 of 33 MB written.
Track 01: 1 of 33 MB written (fifo 100%) [buf 68%] 6.8x.
Track 01: 2 of 33 MB written (fifo 100%) [buf 96%] 2.5x.
Track 01: 3 of 33 MB written (fifo 98%) [buf 86%] 3.7x.
Track 01: 4 of 33 MB written (fifo 100%) [buf 96%] 4.8x.
Track 01: 5 of 33 MB written (fifo 100%) [buf 96%] 4.2x.
Track 01: 6 of 33 MB written (fifo 98%) [buf 96%] 4.2x.
Track 01: 7 of 33 MB written (fifo 100%) [buf 97%] 4.2x.
Track 01: 8 of 33 MB written (fifo 100%) [buf 96%] 4.1x.
Track 01: 9 of 33 MB written (fifo 100%) [buf 92%] 4.1x.
Track 01: 10 of 33 MB written (fifo 100%) [buf 96%] 4.3x.
Track 01: 11 of 33 MB written (fifo 100%) [buf 97%] 4.2x.
Track 01: 12 of 33 MB written (fifo 98%) [buf 91%] 3.7x.
Track 01: 13 of 33 MB written (fifo 100%) [buf 95%] 4.8x.
Track 01: 14 of 33 MB written (fifo 100%) [buf 97%] 4.1x.
Track 01: 15 of 33 MB written (fifo 100%) [buf 96%] 4.0x.
Track 01: 16 of 33 MB written (fifo 100%) [buf 97%] 4.2x.
Track 01: 17 of 33 MB written (fifo 100%) [buf 97%] 4.1x.
Track 01: 18 of 33 MB written (fifo 100%) [buf 96%] 4.0x.
Track 01: 19 of 33 MB written (fifo 100%) [buf 96%] 4.2x.
Track 01: 20 of 33 MB written (fifo 100%) [buf 95%] 4.1x.
Track 01: 21 of 33 MB written (fifo 100%) [buf 97%] 4.1x.
Track 01: 22 of 33 MB written (fifo 100%) [buf 97%] 4.1x.
Track 01: 23 of 33 MB written (fifo 100%) [buf 93%] 4.1x.
Track 01: 24 of 33 MB written (fifo 100%) [buf 96%] 4.1x.
Track 01: 25 of 33 MB written (fifo 100%) [buf 98%] 4.1x.
Track 01: 26 of 33 MB written (fifo 100%) [buf 95%] 4.0x.
Track 01: 27 of 33 MB written (fifo 100%) [buf 97%] 4.2x.
Track 01: 28 of 33 MB written (fifo 100%) [buf 97%] 4.0x.
Track 01: 29 of 33 MB written (fifo 100%) [buf 96%] 4.1x.
Track 01: 30 of 33 MB written (fifo 100%) [buf 97%] 4.1x.
Track 01: 31 of 33 MB written (fifo 100%) [buf 97%] 4.1x.
Track 01: 32 of 33 MB written (fifo 100%) [buf 97%] 4.0x.
Track 01: 33 of 33 MB written (fifo 100%) [buf 96%] 4.1x.
Track 01: Total bytes read/written: 35422208/35422208 (17296 sectors).
Writing time: 71.176s
Average write speed 3.6x.
Min drive buffer fill was 86%
Fixating...
Fixating time: 64.465s
/usr/bin/cdrecord: fifo had 558 puts and 558 gets.
/usr/bin/cdrecord: fifo was 0 times empty and 473 times full, min fill was
92%.
cdrecord comand:
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/usr/bin/cdrecord -v gracetime=2 dev=0,1,0 speed=8 -eject -multi -xa
/WIN-E/tmp/image.iso
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