All of lore.kernel.org
 help / color / mirror / Atom feed
From: Daniel Vetter <daniel@ffwll.ch>
To: Greg KH <greg@kroah.com>
Cc: Jiri Kosina <jkosina@suse.cz>,
	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: Mon, 18 Mar 2013 09:21:57 +0100	[thread overview]
Message-ID: <20130318082156.GO9021@phenom.ffwll.local> (raw)
In-Reply-To: <20130315154739.GA1024@kroah.com>

On Fri, Mar 15, 2013 at 08:47:39AM -0700, Greg KH wrote:
> 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 :)

Yeah, the above fix is for pch split platforms, whereas these reports here
are for gm45 (which doesn't have the pch display split). Acking of gmbus
interrupts works differently on those, I'm testing right now whether I can
reproduce this fail.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

  parent reply	other threads:[~2013-03-18  8:21 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-08 19:12 [3.9-rc1] very poor interrupt responses Shawn Starr
2013-03-08 21:33 ` [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) Peter Hurley
2013-03-09  2:19   ` Alan Stern
2013-03-09  8:53     ` Thomas Meyer
2013-03-09 13:07       ` Peter Hurley
2013-03-13 21:35         ` Jiri Kosina
2013-03-14 14:51           ` Alan Stern
2013-03-14 14:51             ` Alan Stern
2013-03-14 14:56             ` Jiri Kosina
2013-03-14 15:18               ` Alan Stern
2013-03-14 15:18                 ` 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 16:10                     ` Alan Stern
2013-03-14 16:13                   ` 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 19:19                                       ` 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
2013-03-15 16:21                                   ` Jiri Kosina
2013-03-18  8:21                                   ` Daniel Vetter [this message]
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
2013-03-18 11:13                             ` [PATCH] drm/i915: Flush writes to GMBUS registers Chris Wilson
2013-03-18 11:51                               ` Jiri Kosina
2013-03-18 12:48                                 ` Chris Wilson
2013-03-14 18:48           ` [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) Yinghai Lu
2013-03-11  3:38 ` [3.9-rc1] very poor interrupt responses Rafael J. Wysocki
2013-03-11 10:09   ` Harald Arnesen
2013-03-11 14:55     ` Rafael J. Wysocki
2013-03-18  7:14 [3.9-rc1] irq 16: nobody cared (was [3.9-rc1] very poor interrupt responses) Thomas Meyer
2013-03-18  7:14 ` Thomas Meyer
2013-03-18  7:14 ` Thomas Meyer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130318082156.GO9021@phenom.ffwll.local \
    --to=daniel@ffwll.ch \
    --cc=bhelgaas@google.com \
    --cc=daniel.vetter@ffwll.ch \
    --cc=djkurtz@chromium.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=greg@kroah.com \
    --cc=imre.deak@intel.com \
    --cc=jkosina@suse.cz \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=peter@hurleysoftware.com \
    --cc=rjw@sisk.pl \
    --cc=shawn.starr@rogers.com \
    --cc=skogtun.linux@gmail.com \
    --cc=stern@rowland.harvard.edu \
    --cc=thomas@m3y3r.de \
    --cc=yinghai@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.