From: Maciej Rutecki <maciej.rutecki@gmail.com>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
dri-devel@lists.freedesktop.org,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [3.4-rc1][Regression][intel] Resume from suspend to disk hangs on restoring backlight state
Date: Mon, 2 Apr 2012 21:00:11 +0200 [thread overview]
Message-ID: <201204022100.11096.maciej.rutecki@gmail.com> (raw)
In-Reply-To: <20120402175402.GA5260@phenom.ffwll.local>
On poniedziałek, 2 kwietnia 2012 o 19:54:02 Daniel Vetter wrote:
> On Mon, Apr 02, 2012 at 07:39:39PM +0200, Maciej Rutecki wrote:
> > Last known good: 3.3
> > Bad kernel: 3.4-rc1
> > Subsystem: power management/suspend/dri(intel)
> >
> > When I resume from suspend to disk then system hangs on this screen:
> > http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/DSC_5479.jpg
> >
> > It does not help SysRq keys. Only I can force power off by hold power
> > button.
> >
> > Dmesg:
> > http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/dmesg-3.4-rc1.t
> > xt
> >
> > Config:
> > http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/config-3.4.0-rc
> > 1
>
> Likely a known regression, ppgtt support broke hibernate because my code
> doesn't restore the ppgtt page directory correctly in the thaw function.
>
> Patch:
> http://cgit.freedesktop.org/~danvet/drm-intel/commit/?h=drm-intel-fixes&id=
> 55a254ac63a3ac1867d1501030e7fba69c7d4aeb
>
> Please test whether this fixes your issue. You can also try adding
> i915.i915_enable_ppgtt=0 to your kernel cmdline.
>
> Thanks, Daniel
Patch solves problem.
Now resume hangs later on another subsystem: wireless :D
Regards
--
Maciej Rutecki
http://www.mrutecki.pl
next prev parent reply other threads:[~2012-04-02 19:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-02 17:39 [3.4-rc1][Regression][intel] Resume from suspend to disk hangs on restoring backlight state Maciej Rutecki
2012-04-02 17:54 ` Daniel Vetter
2012-04-02 19:00 ` Maciej Rutecki [this message]
2012-04-02 19:05 ` Daniel Vetter
2012-04-11 19:35 ` Maciej Rutecki
2012-04-11 19:39 ` Daniel Vetter
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=201204022100.11096.maciej.rutecki@gmail.com \
--to=maciej.rutecki@gmail.com \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rjw@sisk.pl \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).