On Mon, 2006-11-13 at 20:32 +0100, Arjan van de Ven wrote:
> On Mon, 2006-11-13 at 19:56 +0100, Mathieu Fluhr wrote:
> > On Mon, 2006-11-13 at 13:49 -0500, Phillip Susi wrote:
> > > Mathieu Fluhr wrote:
> > > > Hello,
> > > >
> > > > I recently tried to burn some datas on CDs and DVD using a SATA burner
> > > > and the latest 2.6.18.2 kernel... using NeroLINUX. (It is controlling
> > > > the device by sending SCSI commands over the 'sg' driver)
> > > >
> > >
> > > Please note that the sg interface is depreciated. It is now recommended
> > > that you send the CCBs directly to the normal device, i.e. /dev/hdc.
> >
> > Of course for native IDE devices, we are using the /dev/hdXX device, but
> > for SATA devices controlled by the libata, this is not possible ;)
>
> for those there is /dev/scd0 etc...
> (usually nicely symlinked to /dev/cdrom)
Hummm as we are _writing_ to devices, I think that using /dev/sgXX with
SG_IO is better no?
... and the problem is not in accessing the device itself (this is
working like a charm) but understanding why a SCSI READ(10) cmd
sometimes fails as a ATA-padded READ(10) cmd - as discribed in the Annex
A of the MMC-5 spec - ALWAYS works.
-> I would suspect somehow a synchronisation problem somehow in the
translation of SCSI to ATA command...
Another point: When I say that a READ(10) fails, it does NOT mean that
the command execution itself fails. Everything works as if the command
exectution succeeds, but the resulting buffer contains garbage (i.e. not
only 1 or 2 bytes differs)
>
>
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