Re: plextor px-708uf: cannot get disk type
On Thu, Jan 29, 2004 at 11:05:41PM +0100, Joerg Schilling wrote:
> I just did run a test that verifies that the 708 in fact
> returns 36 bytes. So the problem is definitely caused by a
> Linux driver bug.
>
> I tend to believe that growisofs just does not check the SCSI
> status byte and for this reason is not aware of the problem.
Sorry if what I say below is wrong, since I don't know what I am
talking about.
However, if the 708 really returns 36 bytes, I would say that
one is not wrong to say that the 708 is buggy. Andy pointed
out that the MMC standard *requires* the length returned to be
32+8*n (for some integer n) [section 6.26.2.1 "Disc Information
Length"]. Since 36 is not 32+8*n for any integer n, 36 cannot be
a valid value.
As for whether growisofs does or does not check the status byte,
since growisofs is open-source, anyone can just download it and
see if it does the check or not.
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