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From: Greg KH <greg@kroah.com>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Harald Arnesen <skogtun.linux@gmail.com>,
	Kernel development list <linux-kernel@vger.kernel.org>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	Peter Hurley <peter@hurleysoftware.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	Thomas Meyer <thomas@m3y3r.de>,
	Shawn Starr <shawn.starr@rogers.com>,
	USB list <linux-usb@vger.kernel.org>,
	linux-acpi@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	linux-pci@vger.kernel.org, Yinghai Lu <yinghai@kernel.org>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	Imre Deak <imre.deak@intel.com>,
	Daniel Kurtz <djkurtz@chromium.org>,
	dri-devel@lists.freedesktop.org
Subject: Re: [3.9-rc1] irq 16: nobody cared  (was [3.9-rc1] very poor interrupt responses)
Date: Fri, 15 Mar 2013 08:47:39 -0700	[thread overview]
Message-ID: <20130315154739.GA1024@kroah.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1303151636481.9529@pobox.suse.cz>

On Fri, Mar 15, 2013 at 04:37:56PM +0100, Jiri Kosina wrote:
> 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)

> (I am seeing this with a2362d247 still).

Ok, I guess it isn't still fixed properly, just was guessing :)

greg k-h

  reply	other threads:[~2013-03-15 15:47 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.44L0.1303082116310.28403-100000@netrider.rowland.org>
     [not found] ` <1362819234.1220.1.camel@localhost.localdomain>
2013-03-09 13:07   ` [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) Peter Hurley
2013-03-13 21:35     ` Jiri Kosina
2013-03-14 14:51       ` Alan Stern
2013-03-14 14:56         ` Jiri Kosina
2013-03-14 15:18           ` Alan Stern
2013-03-14 15:39             ` Jiri Kosina
2013-03-14 15:47               ` Jiri Kosina
2013-03-14 16:10               ` Alan Stern
2013-03-14 16:13               ` Alan Stern
2013-03-14 16:09           ` Jiri Kosina
2013-03-14 16:42             ` Peter Hurley
2013-03-14 16:46             ` Rafael J. Wysocki
2013-03-14 17:06               ` Peter Hurley
2013-03-14 17:22                 ` Rafael J. Wysocki
2013-03-14 17:26                   ` Peter Hurley
2013-03-15  7:59                   ` Jiri Kosina
2013-03-15  9:20                     ` Harald Arnesen
2013-03-15 13:33                       ` Jiri Kosina
2013-03-15 13:33                         ` Jiri Kosina
2013-03-15 15:14                         ` Jiri Kosina
2013-03-15 19:14                           ` Yinghai Lu
2013-03-18  2:41                             ` Shawn Starr
2013-03-18  9:12                             ` Jiri Kosina
2013-03-18 18:57                               ` Yinghai Lu
2013-03-18 22:05                                 ` Jiri Kosina
2013-03-18 22:50                                   ` Yinghai Lu
     [not found]                               ` <alpine.LNX.2.00.1303181010080.9529-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2013-03-18 19:19                                 ` Daniel Vetter
2013-03-18 19:57                                   ` Chris Wilson
2013-03-18 22:04                                   ` Jiri Kosina
2013-03-15 15:32                         ` Greg KH
2013-03-15 15:37                           ` Jiri Kosina
2013-03-15 15:47                             ` Greg KH [this message]
2013-03-15 16:21                               ` Jiri Kosina
2013-03-18  8:21                               ` Daniel Vetter
2013-03-18 15:56                                 ` [PATCH] drm/i915: stop using GMBUS IRQs on Gen4 chips (was Re: [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses)) Jiri Kosina
2013-03-18 17:04                                   ` Chris Wilson
2013-03-19  8:56                                     ` Jiri Kosina
2013-03-19  9:03                                       ` Chris Wilson
2013-03-18 19:21                                   ` Daniel Vetter
2013-03-14 18:48       ` [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) Yinghai Lu
2013-03-18  7:14 Thomas Meyer

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