Re: DVD recording adventures..
> > Track Size: 1*2KB
> > Last Recorded Address: 4294770688*2KB
> Note "Track size" [and "Last Recorded Address"]. Looks bad, huh?
Absolutely.
> OSes might be treating TOC differently, e.g. Linux uses
> READ CAPACITY (see lead-/border-out values in dvd+rw-mediainfo output),
> while Windows might be using Track Sizes...
This theory seems not bad, but also the tracksize in the following
output for a dvdrecord-made medium that Win likes and Linux doesnt
like shows:
READ DVD STRUCTURE[#0h]:
Media Book Type: 25h, DVD-R book [revision 5]
Last border-out at: 0*2KB=0
READ TRACK INFORMATION[#1]:
Track State: complete
Track Start Address: 0*2KB
Free Blocks: 0*2KB
Track Size: 4294967295*2KB
FABRICATED TOC:
Track#1 : 14@0
Track#AA : 14@0
Multi-session Info: #1@0
> readcd.
Ah, yes. When choosing 17 in menu, says:
readcd: Input/output error. read_cd: scsi sendcmd: no error
CDB: BE 00 00 00 00 00 00 00 63 FA 00 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 02 00 00 00 00 0A 00 00 00 00 30 02 00 00
Sense Key: 0x2 Not Ready, Segment 0
Sense Code: 0x30 Qual 0x02 (cannot read medium - incompatible format) Fru
0x0
Sense flags: Blk 0 (not valid)
cmd finished after 0.001s timeout 40s
readcd: Input/output error. Cannot read source disk
readcd: Retrying from sector 0.
.~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+
~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~
readcd: Input/output error. Error on sector 0 not corrected. Total of 1
errors.
And less -f /dev/scd0: read error
Finally, one of the plus-media with readability problems:
mediainfo looks perfectly sane, but even recorder itself
has problems to read:
kernel: scsi0: ERROR on channel 0, id 0, lun 0, CDB:
Request Sense 00 00 00 40 00
kernel: Info fld=0x1b6840, Current sd0b:00: sensekey Medium Error
kernel: Additional sense indicates Unrecovered readerror
kernel: I/O error: dev 0b:00, sector 7184640
After all of this, probably I have no other choice than
to try another drive sooner or later.
Florian Lindauer
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