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

[Justin Piszcz]

On Sun, 16 Nov 2008, Tejun Heo wrote:

> 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.

I have been running with the patch for almost 24 hours and running 
extensive disk tests, so far nothing but sometimes it takes a few days 
or more to repeat, I am continuing to test to see if the problem recurs..

Justin.
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