Messages in this thread | | | Date | Fri, 15 Mar 2013 17:21:37 +0100 (CET) | From | Jiri Kosina <> | Subject | Re: [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) |
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On Fri, 15 Mar 2013, Greg KH 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)? > > > > Why do you think it should, please? > > The line: > - Fix PCH irq handling race which resulted in missed gmbus/dp > aux irqs and subsequent fallout (Paulo)
Ah, that one. I believe that should be irrelevant for GM chipsets, as they don't have AUX line, right?
> > (I am seeing this with a2362d247 still). > > Ok, I guess it isn't still fixed properly, just was guessing :)
Seems like this is a different issue.
Thanks,
-- Jiri Kosina SUSE Labs
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