Re: 2.6.27.6 question: ata_sff_hsm_move: ata15 (why always ata15)?

From: Tejun Heo
Date: Sun Nov 16 2008 - 01:14:15 EST


Alan Cox wrote:
> On Fri, 14 Nov 2008 21:22:58 -0600
> Robert Hancock <hancockr@xxxxxxx> wrote:
>
>> Justin Piszcz wrote:
>>> I am trying to find out what the root cause of this error/problem is:
>>> https://bugzilla.redhat.com/show_bug.cgi?id=462425
>> The problem is that people assume that timeouts with DRDY like that bug
>> refers to must be the same problem when it is often not
>
> The first stopping point is to apply the DRQ drain patch I sent to the
> list some time ago and is hopefully lined up for 2.6.29. After that point
> you can begin to look at the remaining cases, until then its hardly worth
> it.

Is it really? For many SATA controllers, DRQ draining isn't really
necessary. PATA might be a completely different story tho.

--
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/