[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

Martin Peres  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|NEW |RESOLVED

--- Comment #14 from Martin Peres  ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/342.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #13 from Joshua Lee  ---
To be clear, the Furmark was being run in his host system, not within a VM.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #12 from Joshua Lee  ---
Someone on the /r/VFIO discord with a Ryzen APU (he usually boots his VM from
the console, rather than having a graphical host) confirmed the crashiness by
running Furmark, which crashed his GPU driver in ten minutes; his dmesg showed
that as well.

13877  0.1  0.0  0 0 pts/1ZNl+ 10:09   0:00 [GpuTest] 
[90972.383503] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
last signaled seq=36081, last emitted seq=36083
[90972.383512] [drm] IP block:psp is hung!
[90972.383514] [drm] GPU recovery disabled.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #11 from taij...@posteo.de ---
(In reply to Joshua Lee from comment #3)
> How do I find an prior boot's dmesg?

Try "journalctl -b -1" (for the boot attempt directly prior to this one, -2 for
the one before that, etc...).

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #10 from taij...@posteo.de ---
And yes, Arch has had CONFIG_DRM_AMD_DC_DCN1_0=y since 4.15.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

taij...@posteo.de changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=105760

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #9 from taij...@posteo.de ---
This is possibly the same bug described  in bug #105760.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #8 from Michel Dänzer  ---
Is CONFIG_DRM_AMD_DC_DCN1_0 enabled in the kernel build configuration in both
cases?

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #7 from Joshua Lee  ---
I'm not sure where the kernel log is on arch. When I add that option to my
kernel command line that you recommended, both my drm-next-staging kernel and
4.16 mainline kernels fail. I have to remove it, then my 4.16 kernel works, but
the drm-next-staging kernel still fails to operate the screen. (The kernel
doesn't crash, as my keyboard still works, I can even press control-alt-delete
to reboot, so I suspect it just isn't using my screen in the amdgpu driver.)

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #6 from Harry Wentland  ---
On Ubuntu the kernel log keeps appending to /var/log/kern.log, but that might
look different on different distros.

If you have a luxury of a second system you might be able to ssh into the Ryzen
system and run dmesg that way.

As for the options Edward mentioned, you can pass them to the kernel command
line. If you use grub for your bootloader you'd press 'e' on the selected
kernel and append " amdgpu.dpm=0 amdgpu.dc=1" at the end of the line that
starts with "linux". Alternatively you can append those to GRUB_CMDLINE_LINUX
in /etc/default/grub and run "sudo update-grub"

Keep in mind that this is how I'd do it on Ubuntu. There' might be a way to
pass these through /etc/modconf.d as well.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #5 from Joshua Lee  ---
(In reply to Edward Kigwana from comment #4)
> Try 
> 
> options amdgpu dpm=0 dc=1 and seee if it still locks up.

That's in /etc/modconf.d or the like, right?

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #4 from Edward Kigwana  ---
Try 

options amdgpu dpm=0 dc=1 and seee if it still locks up.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #3 from Joshua Lee  ---
How do I find an prior boot's dmesg?

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #2 from Joshua Lee  ---
Where is my kernel log located? I successfully use a 4.16 mainline kernel...
it's dri-next-staging that's causing problems. I am using mesa from git also...
though I don't know if it ever gets around to using 3d graphics before the
driver fails anyway.

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

--- Comment #1 from Alex Deucher  ---
Can you attach your kernel log or dmesg output from the boot?  Do other kernels
work?

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[Bug 105883] booting with kernel using amd-staging-drm-next on 2400G hangs

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105883

Bug ID: 105883
   Summary: booting with kernel using amd-staging-drm-next on
2400G hangs
   Product: DRI
   Version: DRI git
  Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
  Severity: blocker
  Priority: medium
 Component: DRM/AMDgpu
  Assignee: dri-devel@lists.freedesktop.org
  Reporter: joshua...@gmail.com

I am running an AMD Ryzen 2400G, using its integrated graphics in the Linux
host and a gtx 1070 bound to VFIO for virtualized passthrough.  When I boot
with a kernel fetched from git using amd-dri-next on 4.16, it halts the booting
process, usually somewhere around when it checks UTMP. It does not lock up my
keyboard lights, but nothing is displayed on the screen, it does respond to
control-alt-delete. My system is set up to boot to the command line, I use X11
from there with "startx" usually; when the system completes boot of course.

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