> There appears to be a problem with USCSICMD ioctl returning EINVAL in 
> some cases:
> 
> http://www.opensolaris.org/jive/thread.jspa?threadID=44432

Is there any information how that "LITE-ON DVDRW LH-18A1P" device from
that thread is connected to the system?

Is that a P-ATA device?  Or S-ATA?

USB?  Or Firewire?


In case it is S-ATA:  what kind of S-ATA chipset is used on the
mainboard, and is the S-ATA controller in the chipset configured to
emulate legacy P-ATA, or does it use AHCI mode?


> It would be nice if someone working in this area followed up. (otherwise 
> I'll just file a bug)


Hmm, works for me, using recent opensolaris bits (~ snv_78).

I tested both a P-ATA "SONY DVD RW AW-G170A" device (on a P-ATA channel);
and a "PIONEER DVD-RW  DVR-108" (P-ATA device installed) in an external
USB 2.0 enclosure.

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