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Description of problem:
Sometimes I got input/output error while recording data. My cd-writer
is IDE HL-DT-ST RW/DVD GCC-4480B, errors occur when writting as a
regular user and as root too. cdrecord says:
The current problem looks like a buffer underrun.
It looks like 'driveropts=burnfree' does not work for this drive.

DMA is on, burnfree is on, I write with speed 16.

G. Dec


Version-Release number of selected component (if applicable):
cdrecord-2.01-0.a27.3

How reproducible:
Sometimes

Steps to Reproduce:
1. mkisofs -TrJ -o /tmp/cdrom.iso /directory
2. cdrecord -eject -speed=16 -multi /tmp/cdrom.iso
3.
    

Actual Results:
cdrecord: Input/output error. write_g1: scsi sendcmd: no error
CDB:  2A 00 00 00 30 EF 00 00 1F 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 21 02 00 00 00 00
Sense Key: 0x5 Illegal Request, Segment 0
Sense Code: 0x21 Qual 0x02 (invalid address for write) Fru 0x0
Sense flags: Blk 0 (not valid)
cmd finished after 2.270s timeout 40s

write track data: error after 1079296 bytes
cdrecord: The current problem looks like a buffer underrun.
cdrecord: It looks like 'driveropts=burnfree' does not work for this
drive.
cdrecord: Please report.
cdrecord: Make sure that you are root, enable DMA and check your HW/OS
set up.
Writing  time:   18.736s
Average write speed 358.5x.
Min drive buffer fill was 81%


Expected Results:
something like this:
Track 04:    4 of    4 MB written (fifo 100%) [buf 100%]  16.4x.

Additional info: