[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

            Bug ID: 97634
           Summary: [amdgpu SI] multigpu setup crashes during boot when
                    dpm=1
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: arek.rusi@gmail.com

Created attachment 126300
  --> https://bugs.freedesktop.org/attachment.cgi?id=126300&action=edit
kernel log

tested on drm-next-4.9-wip:
1) 832c6ef + 2 patches from Tom and Michel (another bugs)
2) 2c0d731 
the same behavior on both. 

With dpm=0 amdgpu doesn't complain and works with intel. 

Hard to say it's regression because when I tried DRI_PRIME few month ago dpm
didn't work at all.

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #1 from Arek Ruśniak <arek.rusi@gmail.com> ---
Created attachment 126508
  --> https://bugs.freedesktop.org/attachment.cgi?id=126508&action=edit
dmesg log with latest drm-next-4.9-wip: 72bb0f5

modprobe -r amdgpu: at "148 
modprobe amdgpu: at "162

It's some kind of progress, because intel-gfx works but amdgpu doesn't start at
all. error from dmesg looks like the same:
https://bugs.freedesktop.org/show_bug.cgi?id=97801 

kernel: drm-next-4.9-wip: 72bb0f5

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
probably a duplicate of bug 97801

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #3 from Arek Ruśniak <arek.rusi@gmail.com> ---
Created attachment 126519
  --> https://bugs.freedesktop.org/attachment.cgi?id=126519&action=edit
dmesg log with latest drm-next-4.9-wip: 97231a9

unfortunately it doesn't
when bug 97801 is solved now, kernel log looks like similar for the first log

[   90.544035] 
amdgpu 0000:01:00.0: fb1: amdgpudrmfb frame buffer device
[drm:gfx_v6_0_ring_test_ib [amdgpu]] *ERROR* amdgpu: IB test timed out
[drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed testing IB on GFX
ring (-110).
[drm:amdgpu_device_init [amdgpu]] *ERROR* ib ring test failed (-110).
[drm] Initialized amdgpu 3.6.0 20150101 for 0000:01:00.0 on minor 1
NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:0]

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #4 from Arek Ruśniak <arek.rusi@gmail.com> ---
For new drm-next-4.9-wip and drm-next-4.9 symptoms are the same as before.

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #5 from Arek Ruśniak <arek.rusi@gmail.com> ---
I've just tried newest drm-next-4.9-wip:        
1c22b05623e5e03ada5a767951eac3203b246be9

and there is something new in kernel log:

[ 3430.379659] amdgpu 0000:01:00.0: fb1: amdgpudrmfb frame buffer device
[ 3431.438851] [drm:gfx_v6_0_ring_test_ib] *ERROR* amdgpu: IB test timed out    
[ 3431.438862] [drm:amdgpu_ib_ring_tests] *ERROR* amdgpu: failed testing IB on
GFX ring (-110).
[ 3431.438866] [drm:amdgpu_device_init] *ERROR* ib ring test failed (-110).     
[ 3431.871374] [drm:amdgpu_late_init] *ERROR* late_init of IP block
<amdgpu_powerplay> failed -22
[ 3431.871381] amdgpu 0000:01:00.0: amdgpu_late_init failed                     
[ 3431.871386] amdgpu 0000:01:00.0: Fatal error during GPU init                 
[ 3431.871390] [drm] amdgpu: finishing device.

after that, sysrq works only (and ssh).

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #6 from Arek Ruśniak <arek.rusi@gmail.com> ---
Created attachment 127149
  --> https://bugs.freedesktop.org/attachment.cgi?id=127149&action=edit
full dmesg for next-drm-4.9-wip: 1c22b05

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #7 from Robin KERDILES <kerdiles.robin@orange.fr> ---
This is reproductible on kernel 4.9-rc7 even with the branch drm-fixes-4.9 
from agd5f repository merged
https://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-4.9
The branch was pointing on bcfdd5d5105087e6f33dfeb08a1ca6b2c0287b61 when I
merged it.
I can use amdgpu with dpm=0 but performance is bad (not surprising for an
experimental support on southern island).
I would like to bisect but the dpm never worked on amdgpu SI as far as I know.

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #8 from Arek Ruśniak <arek.rusi@gmail.com> ---
I don't have HW (multiGPU) to test it anymore, so fill free to close it in any
time/way you want.

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

--- Comment #9 from Robin KERDILES <kerdiles.robin@orange.fr> ---
I was still getting issues with amdgpu when I tested linux 4.9 + merge from
drm-next 4.10 but the dmesg changed (another error code).

Will try another merge in next days and post the new error codes.

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[Bug 97634] [amdgpu SI] multigpu setup crashes during boot when dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=97634

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #10 from Martin Peres <martin.peres@free.fr> ---
-- 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/96.

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