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SubjectRe: [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses)
On Fri, Mar 15, 2013 at 02:33:13PM +0100, Jiri Kosina wrote:
> On Fri, 15 Mar 2013, Harald Arnesen wrote:
>
> > I have the same problem on my Lenovo T500. I think the graphics card is
> > involved.
> >
> > This laptop has "hybrid graphics" - one Intel GMA 4500MHD and one ATI
> > Mobility Radeon HD 3650. When I boot with the Intel card, I get "irq 16:
> > nobody cared" during boot, not when I boot with the ATI card.
>
> Confirming this. After a lot of hassle, I have bisected this reliably to
>
> commit 28c70f162a315bdcfbe0bf940a740ef8bfb918d6
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Sat Dec 1 13:53:45 2012 +0100
>
> drm/i915: use the gmbus irq for waits
>
> Adding Daniel, Imre and Daniel to CC while I will try to figure out what's
> happening in parallel.

Wasn't this fixed by the merge from David
(2cc79544bd0aabb4b3cf467ead5df526d9134c64)? I can't figure out the
exact commit that the merge message referred to though...

greg k-h


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