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Old 02-17-2004, 01:50 PM   #1
Registered: Jun 2003
Location: Florida
Distribution: Fedora Core 1
Posts: 71

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power calibration error?

About everytime I try to burn a CD with cdrdao I get the following error. It says power calibration error, but it doesn't ruin the CD. I just eject the CD put it back in and try a few more times and it eventually works. Can anybody help me with this?

Cdrdao version 1.1.7 - (C) Andreas Mueller <>
SCSI interface library - (C) Joerg Schilling
Paranoia DAE library - (C) Monty

Check for current driver tables.

Using libscg version 'andreas-0.5-UNIXWARE_Patch'

0,0,0: IDE-CD R/RW 8x4x32 Rev: D2,2
Using driver: Generic SCSI-3/MMC (raw writing) - Version 2.0 (options 0x0000)

Starting write at speed 8...
Pausing 10 seconds - hit CTRL-C to abort.
Process can be aborted with QUIT signal (usually CTRL-\).
Using 16 byte P-Q sub-channel data mode.
Executing power calibration...
?: Input/output error. : scsi sendcmd: retryable error
CDB: 54 01 00 00 00 00 00 00 00 00
status: 0x0 (GOOD STATUS)
cmd finished after 20.911s timeout 20s
ERROR: Power calibration failed.
ERROR: Use option --force to ignore this error.
ERROR: Writing failed.
?: Input/output error. : scsi sendcmd: no error
CDB: 1E 00 00 00 00 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 06 FF 01 F8 18 13 00 00 00 00 29 00 00 00
Sense Key: 0x6 Unit Attention, Segment 0
Sense Code: 0x29 Qual 0x00 (power on, reset, or bus device reset occurred) Fru 0x0
Sense flags: Blk -16648168 (not valid)
cmd finished after 3.487s timeout 20s
ERROR: Cannot prevent/allow medium removal.
Old 02-17-2004, 08:11 PM   #2
Senior Member
Registered: Apr 2001
Location: Plymouth, England.
Distribution: Debian + Ubuntu
Posts: 4,358

Rep: Reputation: 57
I only ever got power calibration errors for two reasons:
1) I was using rubbish discs in my burner.
2) My old burner was heading to the great hardware heaven.


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