Re: Linux v2.6.18-rc1

Alan Cox
2006-07-10T14:24:55Z

Ar Llu, 2006-07-10 am 08:21 -0500, ysgrifennodd Will Schmidt:
> On Sun, 2006-09-07 at 20:34 +1000, Benjamin Herrenschmidt wrote:
> > On Fri, 2006-07-07 at 10:41 -0500, Steve Fox wrote:
> > > We've got a ppc64 machine that won't boot with this due to an IDE error.
> >
> > What machine precisely ?
>
> I see a slightly more verbose version on a JS20 blade.
>
> hda: dma_timer_expiry: dma status == 0x24
> hda: DMA interrupt recovery
> hda: lost interrupt

That in repeat generally means the IRQ logic on the platform has been
broken. If we don't get interrupts we don't work very well.

Also check if booting with "nodma" set on the relevant ide interface
makes a difference. Just to be sure. If it does then submit patches to
fix the bug.

Alan