K3B burns Memorex DVD's but not Maxell???

[Vaughn Treude]

Craig White wrote:
> On Sun, 2007-12-02 at 17:26 -0700, Alan Dayley wrote:
>> Vaughn Treude wrote:
>>> Craig,
>>> Thanks for your reply.  Yes, it's old.  I was hoping (perhaps in vain) 
>>> that I could solve this with some kind of mode switch. Or maybe this 
>>> drive is on its way out. I'm always afraid that upgrading will break my 
>>> other stuff.  :-)
>>>
>>>  From dmesg, I see these over and over again:
>>> ATAPI device hdc:
>>>    Error: Not ready -- (Sense key=0x02)
>>>    (reserved error code) -- (asc=0x30, ascq=0x02)
>>>    The failed "Read Subchannel" packet command was:
>>>    "42 02 40 01 00 00 00 00 10 00 00 00 00 00 00 00 "
>>> cdrom: This disc doesn't have any tracks I recognize!
>>>
>>> Same stuff in syslog.
>>>
>>> Puzzling, because this is an empty DVD, it's not SUPPOSED to have any 
>>> tracks it recognizes!  :-)
>> I this case the first suspect is the burner and it's firmware, not the
>> system software.  All recordable optical media is not equal.  Not all
>> burners are equal either.
>>
>> This part:
>>
>>>    Error: Not ready -- (Sense key=0x02)
>>>    (reserved error code) -- (asc=0x30, ascq=0x02)
>> is an error code in 3 bytes.  Taken together they mean:
>> 2 / 30 / 02      CANNOT READ MEDIUM . INCOMPATIBLE FORMAT
>> (as defined at http://www.isobuster.com/help.php?help=305  Not an
>> official source but corroborates with others around.)
>>
>> I think the drive cannot read the media you are giving it.  Does the
>> drive still burn the other brand?  You could test that if you have the
>> other brand blanks laying around.
>>
>> Sometimes a burner firmware update can help, if you can find one.  Make
>> sure you found the right firmware and updater, though.  It is usually
>> easy to do such an update but there is a risk of "bricking" the burner.
> ----
> Not counting DVD-RAM, there are 4 different types of DVD media for
> writing...
> 
> DVD -R
> DVD +R
> DVD -RW
> DVD +RW
> 
> not all can be used in all DVD recorders.
> 
> Craig
> 

Good point.  The Memorex discs were DVD+R and the Maxells were DVD-R.  I 
went into K3B's configuration screen and under "Setup Devices" it claims 
that this drive will write both DVD+R and DVD-R.  I suppose that may not 
necessarily be accurate, but that does make the problem less puzzling.

Vaughn

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