Reuben Farrelly <[email protected]> wrote:
>
>
>
> On 16/01/2006 4:46 p.m., Alan Stern wrote:
> > On Mon, 16 Jan 2006, Reuben Farrelly wrote:
> >
> >>> From the information presented here, it looks like -mm1 correctly routes
> >>> the 1d.1 controller to IRQ 193 and the 1d.3 controller to IRQ 169, whereas
> >>> -mm3 incorrectly routes the 1d.3 controller to IRQ 193. That would make
> >>> it an ACPI problem.
> >> Is this likely to be the same or similar issue to the IRQ 0 problem I see quite
> >> frequently on the SATA ports on later -mm releases?
> >> (see http://www.ussg.iu.edu/hypermail/linux/kernel/0601.1/1851.html)
> >
> > I doubt they are at all related. In the USB problem the resource is there
> > but ACPI is routing it wrongly. In the SATA problem the resource isn't
> > there to begin with.
> >
> > But then I know almost nothing about ACPI, so I could be wrong...
> >
> > Alan Stern
>
> Some good news. I think it's fixed in 2.6.16-rc1-mm2. In fact a whole boatload
> of problems I was having are fixed in this -mm release, including a nasty libata
> oops that seemed to have a few people scratching their heads.
OK, but probably that libata error-path bug is still in there. It's just
that you're no longer taking the error paths. And now we've lost our means
to reproduce it.
> I've now done in excess of 20 reboots with this code and haven't had either
> problem show up at all.
>
> So for now I'll keep a record of things for a bit longer, but I guess I've
> reason to be fairly confident that both this USB/IRQ problem and my ATA/IRQ
> problem are now fixed.
>
> It does make me wonder if the ACPI update in rc1-mm2 fixed it, and was actually
> the cause of most of my problems......it would be nice to know for sure.
We probably won't know. Did you ever test 2.6.16-rc1 plus 2.6.16-rc1-mm1's
acpi.patch? If that plays up we'd have confirmation.
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