Messages in this thread | | | Date | Fri, 15 Mar 2013 14:33:13 +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, 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.
Attaching dmesg.txt from the machine with 28c70f162a as head, with drm.debug=0xe.
-- Jiri Kosina SUSE Labs
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