[Intel-gfx] [bug report] drm/i915: Computer does not shutdown since commit fe0f1e3

[Intel-gfx] [bug report] drm/i915: Computer does not shutdown since commit fe0f1e3

[Mario Hüttel]

Hello,

It seems, like the mailing list, didn't accept my previous emails. So
I'll send it again:

I want to report a bug. I've got 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 keep spinning and LEDs stay on. 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. This behavior is 100% reproducible.

Restarts work normally.

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 (drm/i915: Shut down displays gracefully on reboot).

I hope this is the correct mailing list for this issue.

Let me know if you need more information or someone to test it.

Thanks

Mario

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Re: [Intel-gfx] [bug report] drm/i915: Computer does not shutdown since commit fe0f1e3

[Imre Deak]

Hi,

On Sun, Mar 14, 2021 at 02:48:08PM +0100, Mario Hüttel wrote:
> Hello,
> 
> It seems, like the mailing list, didn't accept my previous emails. So
> I'll send it again:
> 
> I want to report a bug. I've got 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 keep spinning and LEDs stay on. 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. This behavior is 100% reproducible.
> 
> Restarts work normally.
> 
> 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 (drm/i915: Shut down displays gracefully on reboot).
> 
> I hope this is the correct mailing list for this issue.
> 
> Let me know if you need more information or someone to test it.

Could you try:
7962893ecb853 ("drm/i915: Disable runtime power management during shutdown")
?

If that doesn't help, could you open a ticket at:
https://gitlab.freedesktop.org/drm/intel/-/issues

and try to take a log from the shutdown sequence using serial/netconsole
or pstore log?

Thanks,
Imre
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Re: [Intel-gfx] [bug report] drm/i915: Computer does not shutdown since commit fe0f1e3

[Mario Hüttel]

Hi,

On Sun, 2021-03-14 at 17:25 +0200, Imre Deak wrote:
> > I used git bisect to find the commit that causes this behavior on
> > my
> > machine. The result is: fe0f1e3bfdfeb53e18f1206aea4f40b9bd1f291c is
> > the
> > first bad commit (drm/i915: Shut down displays gracefully on
> > reboot).
> > 
> > I hope this is the correct mailing list for this issue.
> > 
> > Let me know if you need more information or someone to test it.
> 
> Could you try:
> 7962893ecb853 ("drm/i915: Disable runtime power management during
> shutdown")
> ?

This seems to solve the issue. I applied the commit on my current
kernel tree and now it's able to shut down properly.

Thanks,

Mario

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