From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Daniel Vetter <daniel@ffwll.ch>, Hans de Goede <hdegoede@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
"Theodore Ts'o" <tytso@mit.edu>,
intel-gfx <intel-gfx@lists.freedesktop.org>,
DRI <dri-devel@lists.freedesktop.org>,
Daniel Vetter <daniel.vetter@intel.com>,
Mani Nikula <jani.nikula@linux.intel.com>,
Ander Conselvan de Oliveira
<ander.conselvan.de.oliveira@intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Hart <dvhart@linux.intel.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [REGRESSION] Re: i915 driver crashes on T540p if docking station attached
Date: Tue, 04 Aug 2015 03:17:10 +0200 [thread overview]
Message-ID: <3553281.5BhVUE9THK@vostro.rjw.lan> (raw)
In-Reply-To: <CAKMK7uHKfoJ6n+SxGZ4ya+fORh6Nx_CSciyYjE=GaiJdFb=qjQ@mail.gmail.com>
On Tuesday, August 04, 2015 12:05:14 AM Daniel Vetter wrote:
> On Mon, Aug 3, 2015 at 7:24 PM, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >> However, I'm
> >> still seeing a large number of drm/i915 related warning messages and
> >> other kernel kvetching.
> >
> > I suspect I can live with that for now. The lockdep one looks like
> > it's mainly an initialization issue, so you'd never get the actual
> > deadlock in practice, but it's obviously annoying. The intel_pm.c one
> > I'll have to defer to the i915 people for..
>
> The lockdep splat is just acpi being inconsistent with init_mutex vs.
> backlight notifier_chain (which has it's own lock) calls. init_mutex
> is new in 4.2 and has been added in
>
> commit 87521e16a7abbf3fa337f56cb4d1e18247f15e8a
> Author: Hans de Goede <hdegoede@redhat.com>
> Date: Tue Jun 16 16:27:48 2015 +0200
>
> acpi-video-detect: Rewrite backlight interface selection logic
>
>
> Not mine ;-) But adding relevant people.
Hans, can you have a look at this, please?
Rafael
next prev parent reply other threads:[~2015-08-04 0:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-30 0:49 i915 driver crashes on T540p if docking station attached Theodore Ts'o
2015-07-30 1:39 ` [REGRESSION] " Theodore Ts'o
2015-07-30 5:18 ` Linus Torvalds
2015-07-30 11:16 ` Dave Airlie
2015-07-30 14:40 ` Daniel Vetter
2015-07-30 15:32 ` Theodore Ts'o
2015-07-30 15:54 ` [Intel-gfx] " Daniel Vetter
2015-07-30 15:57 ` Takashi Iwai
2015-07-30 18:14 ` Linus Torvalds
2015-07-30 15:50 ` Theodore Ts'o
2015-07-30 15:59 ` Theodore Ts'o
2015-07-30 16:00 ` Daniel Vetter
2015-08-03 15:27 ` Daniel Vetter
2015-08-03 16:25 ` Theodore Ts'o
2015-08-03 17:24 ` Linus Torvalds
2015-08-03 18:49 ` Theodore Ts'o
2015-08-03 22:05 ` Daniel Vetter
2015-08-04 1:17 ` Rafael J. Wysocki [this message]
2015-08-04 16:05 ` Daniel Vetter
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