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growisofs, LG GSA-4082B, DVD+RW : SK=4h/ASC=A0h/ACQ=80h



Being proud owner of a LG GSA-4082B DVD writer since a few hours, 
i experience some problems.
Is there a kind of troubleshooting FAQ for growisofs which i failed to find ?

What does it mean when i get this message from a single evil DVD+RW media :

 :-[ WRITE@LBA=26770h failed with SK=4h/ASC=A0h/ACQ=80h]: Input/output error

In at least half of the tries the system stalled completely and needed
the Reset button.

Is there a connection to my observation that writing speed varies much
even with successful burning ?


Details :

I use three new DVD+RW media out of the same box and get three very
different results :


#1 : writes at speed about 2x . Result verifies ok.
     Media can be rewritten without problems.


#2 : fails after 300 MB
  322306048/3946780672 ( 8.2%) @2.2x, remaining 17:14
  322666496/3946780672 ( 8.2%) @0.1x, remaining 17:47
 :-[ WRITE@LBA=26770h failed with SK=4h/ASC=A0h/ACQ=80h]: Input/output error
 builtin_dd: 157552*2KB out @ average 2.4x1385KBps
 :-( write failed: Input/output error
 /dev/sr0: flushing cache
 :-[ FLUSH CACHE failed with SK=4h/ASC=09h/ACQ=01h]: Input/output error

Now the whole system hangs.
I pressed the eject button of the DVD burner. Ten minutes later the
media got ejected. System still hanging. 
I waited an hour and then had to press the reset button of the computer.

Sometimes the end is more graceful: growisofs ends with an exit value of 0 .
First i believed that DMA and/or growisofs version had an influence but
now i think that the particular media just gets more and more evil.

I found  "4  09  01"  in  http://fy.chalmers.se/~appro/linux/DVD+RW/keys.txt
and got quite scared : "TRACKING SERVO FAILURE".
But the error is reproducible only with this media, so the drive would be ok ?


#3 : writes at speed about 4x . Result verifies ok.
     Media can be rewritten without problems.


Both media which do not fail show intermediate states of slowliness
while getting written (regardless of DMA) :
 1573978112/4700372992 (33.5%) @3.2x, remaining 11:59
 1574961152/4700372992 (33.5%) @0.2x, remaining 12:04
 1574993920/4700372992 (33.5%) @0.0x, remaining 12:10
 1581416448/4700372992 (33.6%) @1.4x, remaining 12:13
 1595932672/4700372992 (34.0%) @3.1x, remaining 12:09
I found this : http://lists.debian.org/cdwrite/2004/03/msg00126.html
where Andi says : "... check kernel log ...". Well, my /var/log/messages
shows no trace of the slowdown. Just much complaints about DVD #2 (see below). 


More details :

growisofs :
  dvd+rw-tools-5.19-1.4.9.7 , downloaded 13 June 2004
and also
  growisofs 5.12 from SuSE
used like this :  
  ... | growisofs -use-the-force-luke -dvd-compat \
                  -Z /dev/sr0=/proc/self/fd/0

System :
  Linux ts4 2.4.21-215-athlon #1 Tue Apr 27 00:53:38 UTC 2004 i686 athlon i386 GNU/Linux
Freshly installed SuSE. Therefore i am not 100% sure wether really no
automounter is active. But at least DVDs and CDs in ISO format do not mount
automatically.

DVD writer (via ide-scsi as /dev/sr0) :
  DVD+-RW+-R LG GSA-4082B 
which promises to burn everything (DVD+,DVD-,DVD-RAM) and gets detected
by dvd+rw-mediainfo with the ill media inserted as :
 INQUIRY:                [HL-DT-ST][DVDRAM GSA-4082B][A201]
 GET [CURRENT] CONFIGURATION:
  Mounted Media:         1Ah, DVD+RW
  Current Write Speed:   4.0x1385=5540KB/s
  Write Speed #0:        4.0x1385=5540KB/s
  Write Speed #1:        2.4x1385=3324KB/s
 GET [CURRENT] PERFORMANCE:
  Write Performance:     4.0x1385=5540KB/s@[0 -> 2295103]
  Speed Descriptor#0:    02/2295103 R@3.3x1385=4584KB/s W@4.0x1385=5540KB/s
  Speed Descriptor#1:    02/2295103 R@3.3x1385=4584KB/s W@2.4x1385=3324KB/s
 READ DVD STRUCTURE[#0h]:
  Media Book Type:       92h, DVD+RW book [revision 2]
  Media ID:              RICOHJPN/W11
  Legacy lead-out at:    2295104*2KB=4700372992
 READ DISC INFORMATION:
  Disc status:           complete
  Number of Sessions:    1
  State of Last Session: complete
  Number of Tracks:      1
  BG Format Status:      suspended
 READ TRACK INFORMATION[#1]:
  Track State:           complete
  Track Start Address:   0*2KB
  Free Blocks:           0*2KB
  Track Size:            2295104*2KB
 FABRICATED TOC:
  Track#1  :             14@0
  Track#AA :             14@2295104
  Multi-session Info:    #1@0

Media :
  Fujifilm DVD+RW 1-4x (recommended by LG)
There has been a problem report about Fujis in march but i believe
it is not related to the effects which i do experience.
(http://lists.debian.org/cdwrite/2004/03/msg00093.html)


>From /var/log/messages regarding the failures to write #2 :

After a stalled system reset the traces are sparse. growisofs-5.19-1.4.9.7 :
 sr0: CDROM (ioctl) error, command: Write (10) 00 00 02 67 70 00 00 10 00
 Info fld=0x26590, Current sr00:00: sense key Hardware Error
 sr0: CDROM (ioctl) error, command: Synchronize Cache 02 00 00 00 00 00 00 00 00
 Info fld=0x26590, Deferred sr00:00: sense key Hardware Error
 Additional sense indicates Tracking servo failure


This is from a gracefully ended try with growisofs-5.12 :
 sr0: CDROM (ioctl) error, command: Write (10) 00 00 02 67 70 00 00 10 00
 Info fld=0x26590, Current sr00:00: sense key Hardware Error
 sr0: CDROM (ioctl) error, command: Synchronize Cache 02 00 00 00 00 00 00 00 00 
 Info fld=0x26590, Deferred sr00:00: sense key Hardware Error
 Additional sense indicates Tracking servo failure
 scsi : aborting command due to timeout : pid 66980, scsi0, channel 0, id 0, lun 0 Synchronize Cache 00 00 00 00 00 00 00 00 00 
 hdc: irq timeout: status=0xd0 { Busy }
 hdc: ATAPI reset complete
 hdc: irq timeout: status=0x80 { Busy }
 hdc: ATAPI reset complete
 scsi0 channel 0 : resetting for second half of retries.
 SCSI bus is being reset for host 0 channel 0.
 hdc: ide_intr: huh? expected NULL handler on exit
 hdc: ATAPI reset complete
 sr0: CDROM (ioctl) error, command: Test Unit Ready 00 00 00 00 00
 Deferred sr00:00: sense key Hardware Error
 Additional sense indicates Tracking servo failure
 spurious 8259A interrupt: IRQ7.
 sr0: CDROM (ioctl) error, command: Write (10) 00 00 02 67 70 00 00 10 00
 Info fld=0x26590, Current sr00:00: sense key Hardware Error
 sr0: CDROM (ioctl) error, command: Synchronize Cache 02 00 00 00 00 00 00 00 00
 Info fld=0x26590, Deferred sr00:00: sense key Hardware Error
 Additional sense indicates Tracking servo failure
 sr0: CDROM (ioctl) error, command: UNKNOWN(0x5b) 01 02 00 00 00 00 00 00 00
 Info fld=0x265a0, Deferred sr00:00: sense key Hardware Error
 Additional sense indicates Tracking servo failure
 sr0: CDROM (ioctl) error, command: Test Unit Ready 00 00 00 00 00
 Info fld=0x265b0, Deferred sr00:00: sense key Hardware Error
 ... [Hardware Error - Test Unit Ready : about 10 times ] ...
 sr0: CDROM (ioctl) error, command: Write (10) 00 00 02 34 50 00 00 10 00
 Info fld=0x23270, Current sr00:00: sense key Hardware Error
 sr0: CDROM (ioctl) error, command: Synchronize Cache 02 00 00 00 00 00 00 00 00
 Info fld=0x23270, Deferred sr00:00: sense key Hardware Error
 Additional sense indicates Tracking servo failure
 sr0: CDROM (ioctl) error, command: Test Unit Ready 00 00 00 00 00
 Deferred sr00:00: sense key Hardware Error
 Additional sense indicates Tracking servo failure


Have a nice day :)

Thomas



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