Re: No supported write modes with LG GSA-H62N SATA DVD+RW
Hi,
(On 3rd, 4th try:
My previous messages seem not to have reached
the list.
On 2nd try:
I sent this message to list and poster a few
hours before but it did not show up on the list.)
----------------------------------------------------
Joe MacDonald:
> I've seen a couple of discussions about similar problems to mine with
> different models (the H30N seemed to be a hot topic about six weeks ago)
> but I haven't seen any suggestions that make things work (or at least
> point to a cause of the failure) for me.
There was one incident of a remedy:
The user exchanged the SATA controller which connected
the drive with the computer.
> Supported modes:
> ...
> cdrecord: Drive does not support SAO recording.
In previous cases this has turned out to be the
result of failed attempts to set various write
modes.
The immediate error was with MMC command MODE SELECT
which returned an error condition saying that the
sent mode page 05h had the wrong length.
It has been tested with both lengths which are
described in the MMC-5 specs. No success.
Then the user bought the new controller.
> - I bought this drive back in the spring. It appears to work fine in
> WinXP with Nero 7.something or other.
This is the really embarrassing part of those
error reports: The Windowers know a way to make
that combination of drive and controller work.
We don't - yet.
It might be that it is a bug with Linux and
certain SATA controllers.
But that would be a really smart bug. It disguises
very successfully as a bug of the drive.
----------------------------------------------------
Questions:
- Can you find out the type of that SATA controller ?
- Would it work with growisofs and DVD-R or unformatted
DVD-RW ?
(For these media the drive gets sent a mode page 05h,
like with CD-R, CD-RW.)
- Are you willing to do experiments with program cdrskin ?
I suppose them to be harmless, but they will at least
cost some time and in worst case a reboot - if we manage
to get the drive stuck by innovative combinations of
MMC commands.
(My next plan would be to fetch a mode page 05h and
to see how long the reply is. It would need to do
some programming in the underlying libburn before we
can start.)
Have a nice day :)
Thomas
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