linux-kernel - Re: [Intel-gfx] [git pull] drm fixes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <s5hpp7xdrng.wl-tiwai@suse.de>
Date:	Wed, 25 Mar 2015 16:26:59 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Daniel Vetter <daniel@...ll.ch>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	Dave Airlie <airlied@...ux.ie>,
	Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	Xi Ruoyao <xry111@...look.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [Intel-gfx] [git pull] drm fixes

At Wed, 25 Mar 2015 15:00:08 +0100,
Daniel Vetter wrote:
> 
> On Wed, Mar 25, 2015 at 09:11:17AM -0400, Josh Boyer wrote:
> > On Wed, Mar 25, 2015 at 4:54 AM, Daniel Vetter <daniel@...ll.ch> wrote:
> > >> >> commit f55548b5af87ebfc586ca75748947f1c1b1a4a52
> > >> >> Author: Damien Lespiau <damien.lespiau@...el.com>
> > >> >> Date:   Thu Feb 5 18:30:20 2015 +0000
> > >> >>
> > >> >>     drm/i915: Don't try to reference the fb in get_initial_plane_config()
> > >> >>
> > >> >> From linux-next?
> > >> >
> > >> > Yes, building now.  Will let you know as soon as I test it on both machines.
> > >>
> > >> OK, with that commit applied I no longer get the kref.h splat and the
> > >> NUC machine boots headless.  I still see the backtrace below on both
> > >> the NUC and the macbook.  I have a copy of it with drm.debug=0xff from
> > >> the NUC here:
> > >>
> > >> https://jwboyer.fedorapeople.org/pub/nuc-drm-debug-ff-with-fixes.txt
> > >>
> > >> Getting better at least :).
> > >
> > > On top of what you currently have please also cherry-pick
> > >
> > > commit fb9981aa675eb7b398849915364916fd98833cfa
> > > Author: Damien Lespiau <damien.lespiau@...el.com>
> > > Date:   Thu Feb 5 19:24:25 2015 +0000
> > >
> > >     drm/i915: Fix atomic state when reusing the firmware fb
> > >
> > > from -next. Let's hope this terminates eventually ;-)
> > 
> > Hm.  That one doesn't apply cleanly.  I think because it needs:
> > 
> > From 2d14030b1a9d0e89cfdca6f16851e2eac8cb4de0 Mon Sep 17 00:00:00 2001
> > From: Damien Lespiau <damien.lespiau@...el.com>
> > Date: Thu, 5 Feb 2015 17:22:18 +0000
> > Subject: drm/i915: Store the initial framebuffer in initial_plane_config
> > 
> > first.  Do you want me to grab both, or should I try and figure out
> > how to backport fb9981aa67 without it?
> 
> Oops missed that. The active ingredient is setting crtc->primary->state->crtc like this:

As I wrote in another mail, I can confirm that cherry-picking of three
commits (and manual compile fixes) fixed the problem on my machine.


Takashi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/