[Bug 106285] Multiple Xorg restarts leads to `Surface: can not attach plane_state` (raven ridge)

[Bug 106285] Multiple Xorg restarts leads to `Surface: can not attach plane_state` (raven ridge)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106285

            Bug ID: 106285
           Summary: Multiple Xorg restarts leads to `Surface: can not
                    attach plane_state` (raven ridge)
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: ojab@ojab.ru

Raven ridge APU (2400g), no external GPU, linux-4.17-rc2, libdrm-2.4.91,
mesa-18.1.0-rc1, xorg-server-1.19.6, xf86-video-amdgpu-18.0.1.

So I've tried to reproduce https://bugs.freedesktop.org/show_bug.cgi?id=106276
using simple script:
```
#!/bin/sh
set -ex
while true; do
    set -x
    X&
    XPID=$!
    sleep 1
    kill ${XPID}
    sleep 1
done
```

and ended up with screen showing nothing (i. e. backlight enabled, but all
image is black) in both console & X. dmesg is full of
[Fri Apr 27 16:17:33 2018] [drm:dc_add_plane_to_context [amdgpu]] *ERROR*
Surface: can not attach plane_state 00000000a97ad24a! Maximum is: 4
[Fri Apr 27 16:17:33 2018] [drm:dc_add_plane_to_context [amdgpu]] *ERROR*
Surface: can not attach plane_state 00000000d38d9362! Maximum is: 4
[Fri Apr 27 16:17:33 2018] [drm:dc_add_plane_to_context [amdgpu]] *ERROR*
Surface: can not attach plane_state 00000000d38d9362! Maximum is: 4
[Fri Apr 27 16:17:33 2018] [drm:dc_add_plane_to_context [amdgpu]] *ERROR*
Surface: can not attach plane_state 00000000d38d9362! Maximum is: 4
[Fri Apr 27 16:18:01 2018] [drm:dc_add_plane_to_context [amdgpu]] *ERROR*
Surface: can not attach plane_state 00000000b7ff318d! Maximum is: 4
[Fri Apr 27 16:18:04 2018] [drm:dc_add_plane_to_context [amdgpu]] *ERROR*
Surface: can not attach plane_state 00000000b7ff318d! Maximum is: 4

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[Bug 106285] Multiple Xorg restarts leads to `Surface: can not attach plane_state` (raven ridge)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106285

--- Comment #1 from ojab <ojab@ojab.ru> ---
```
#!/bin/sh
set -ex
while true; do
    set -x
    X&
    sleep 1
    XPID=$!
    kill -9 ${XPID}
    sleep 0.1
done
```
reliably triggers this error in a minute or so.

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[Bug 106285] Multiple Xorg restarts leads to `Surface: can not attach plane_state` (raven ridge)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106285

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

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

--- Comment #2 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/357.

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