Re: sata_nv times out for BD-ROM iHOS104-08

[Robert Hancock <hancockrwd@gmail.com>]

2010/3/8 Cengiz Günay <cgunay@emory.edu>:
> Hello,
>
> Sorry for the delay, I was confused about managing so many patches,
> but I realized that you're sending me cumulative patches that I can
> apply to the original. I just want to remind you that I still have the
> patches to the other two files: libata-eh.c  libata-sff.c
>
> On Tue, Mar 2, 2010 at 6:48 AM, Tejun Heo <tj@kernel.org> wrote:
>> Hmmm... the drive is timing out even on 4k READ10's.  This shouldn't
>> really be happening.  Can you please try this one?
>
> Applied. It did not change anything visibly (dmesg attached). I have
> also been getting other SCSI errors since we started communicating
> with the device (search for sr0 in dmesg). I wonder if they give any
> hints? Here's one:
>
> sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> sr 4:0:0:0: [sr0] Sense Key : Aborted Command [current] [descriptor]
> Descriptor sense data with sense descriptors (in hex):
>        72 0b 00 00 00 00 00 0e 09 0c 00 00 00 02 00 00
>        00 20 00 00 a0 40
> sr 4:0:0:0: [sr0] Add. Sense: No additional sense information
> sr 4:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 40 00
> end_request: I/O error, dev sr0, sector 0

Don't think that part's very useful, that's just the after-effect of
the timeouts in the driver..