Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751950Ab3COQVo (ORCPT ); Fri, 15 Mar 2013 12:21:44 -0400 Received: from cantor2.suse.de ([195.135.220.15]:42838 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750903Ab3COQVm (ORCPT ); Fri, 15 Mar 2013 12:21:42 -0400 Date: Fri, 15 Mar 2013 17:21:37 +0100 (CET) From: Jiri Kosina To: Greg KH Cc: Harald Arnesen , Kernel development list , "Rafael J. Wysocki" , Peter Hurley , Alan Stern , Thomas Meyer , Shawn Starr , USB list , linux-acpi@vger.kernel.org, Bjorn Helgaas , linux-pci@vger.kernel.org, Yinghai Lu , Daniel Vetter , Imre Deak , Daniel Kurtz , dri-devel@lists.freedesktop.org Subject: Re: [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) In-Reply-To: <20130315154739.GA1024@kroah.com> Message-ID: References: <1460519.ejNFI1DrGk@vostro.rjw.lan> <1363280764.26318.4.camel@thor.lan> <5657408.cYX6iimiA4@vostro.rjw.lan> <5142E7F0.4020002@gmail.com> <20130315153249.GA32425@kroah.com> <20130315154739.GA1024@kroah.com> User-Agent: Alpine 2.00 (LNX 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1643 Lines: 48 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 > > > > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/