Re: [Intel-gfx] BUG in i915/i915_pci.c, commit fe0f1e3

From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org, "Mario Hüttel" <mario.huettel@gmx.net>
Subject: Re: [Intel-gfx] BUG in i915/i915_pci.c, commit fe0f1e3
Date: Thu, 29 Apr 2021 18:48:39 +0300	[thread overview]
Message-ID: <YIrVV4QnzDPgszvZ@intel.com> (raw)
In-Reply-To: <87o8dx33um.fsf@intel.com>

On Thu, Apr 29, 2021 at 11:13:53AM +0300, Jani Nikula wrote:
> On Wed, 28 Apr 2021, Mario Hüttel <mario.huettel@gmx.net> wrote:
> > Hi,
> >
> > yes. The bug is still present with a recent kernel.
> > I got the tip from Imre Deak to try out
> >
> > 7962893ecb853 ("drm/i915: Disable runtime power management during
> > shutdown")
> >
> > This fixes the issue for me. Do I still have to file a bug report or
> > will this patch eventually find its way upstream?
> 
> That's in Linus' upstream now, but not in any release yet.
> 
> Imre, Ville, should we ask for a Cc: stable?

I would say yes, unless Imre has a good reason against it.

commit fe0f1e3bfdfe ("drm/i915: Shut down displays gracefully on
reboot") seems to be in 5.11, so that's as far back it needs to
go.

> 
> BR,
> Jani.
> 
> 
> >
> > Thanks
> > Mario
> >
> > On Mon, 2021-04-26 at 17:47 +0300, Jani Nikula wrote:
> >> On Sat, 13 Mar 2021, Mario Hüttel <mario.huettel@gmx.net> wrote:
> >> > Hello,
> >> >
> >> > I want to report a bug. I have a PC with Intel i7-6700K processor
> >> > (with
> >> > integrated graphics) and an AsRock Fatal1ty Z170 Gaming K6
> >> > mainboard. I
> >> > use the CPU's integrated graphics.
> >> > My system is Archlinux with Kernel v5.11.6.
> >> >
> >> > Using this setup, my PC works normally. However, when I shut it
> >> > down,
> >> > the power is not cut. Fans and LEDs keep spinning. I couldn't
> >> > detect
> >> > any other problem when shutting down. Drives etc. stop as expected
> >> > and
> >> > the video is blank. Even after waiting several hours, the system
> >> > doesn't power down.
> >> > I haven't yet found any other people on the internet that have the
> >> > same
> >> > bug.
> >> >
> >> > I used git bisect to find the commit that causes this behavior on
> >> > my
> >> > machine. The result is: fe0f1e3bfdfeb53e18f1206aea4f40b9bd1f291c is
> >> > the
> >> > first bad commit.
> >> >
> >> > I hope this is the correct mailing list for this issue.
> >> >
> >> > Let me know if you need more information or someone to test it.
> >>
> >> This seems to have fallen between the cracks, apologies. Is this
> >> still
> >> an issue with newer kernels? If yes, please file a bug at [1].
> >>
> >> BR,
> >> Jani.
> >>
> >>
> >> [1]
> >> https://gitlab.freedesktop.org/drm/intel/wikis/How-to-file-i915-bugs
> >>
> >
> >
> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center

-- 
Ville Syrjälä
Intel
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