Re: pata_via "frozen" DVD drive (TSSTcorp SN-S083A on EPIA EX15000)

[Tejun Heo <tj@kernel.org>]

Jonas Jensen wrote:
> On 15/10/2008, Tejun Heo <tj@kernel.org> wrote:
>> The drive times out SEND_OPC and then never comes back.  The command
>> is non-data command which just tells the drive to perform calibration,
>> so there's nothing much the driver can do wrong about it.  It looks
>> like the drive could have hardware problem performing OPC.  Can you
>> test the drive under different operating system or different hardware
>> configuration (different controller, different media, etc...)?
> 
> Thank you for your reply,
> 
> I tested the drive some more yesterday and found that it doesn't have
> the same problem on CD-RW media. And the FujiFilm DVD-RW that causes
> the problem it has no problem reading from. I'm not sure if it's just
> that brand but it seems like it's a problem with the media. However,
> it surprises me that bad media can cause the drive to fail into an
> unrecoverable state. Looks like a cheap shitty device, atleast it
> wasn't expensive :)

Heh... For some reason, it doesn't surprise me too much.  I've seen
worse.  :-P

> I can test the device under different OS/controller if you feel like
> you need that information.

It pretty much looks like the drive going bonkers on the media it
doesn't like, so if it's too much of a hassle, I think testing with
different media should be good enough.

Thanks.

-- 
tejun