[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

            Bug ID: 100673
           Summary: Tonga agd5f drm-next-4.12-wip xorg segfault on startx
           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: adf.lists@gmail.com

Created attachment 130829
  --> https://bugs.freedesktop.org/attachment.cgi?id=130829&action=edit
xorg log with segfault

With current agd5f  drm-next-4.12-wip I get a segfault on startx (xserver
1.19.3, git ddx,mesa,llvm. Log attached.

On the previous incarnation of the same kernel I can startx, but there are a
lot of warnings in dmesg every time the screen is turned on - ie. startx or
coming out of dpms. dmesg attached.

Don't know when I'll get time to bisect, so just getting these reported now.

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[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

--- Comment #1 from Andy Furniss <adf.lists@gmail.com> ---
Created attachment 130830
  --> https://bugs.freedesktop.org/attachment.cgi?id=130830&action=edit
dmesg with lots of warnings on startx (older kernel)

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[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Andy Furniss from comment #1)
> Created attachment 130830 [details]
> dmesg with lots of warnings on startx (older kernel)

This was fixed here:
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.12-wip&id=53552d5df6694f68f276b2e86f8162d0ef7cad93

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[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

--- Comment #3 from Andres Rodriguez <andresx7@gmail.com> ---
Reverting the following commit fixes this branch for me:
eb8eb02 drm: Drop modeset_lock_all from the getproperty ioctl

Let me check if I can make a quick fix for it.

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[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
Should be fixed by:

commit 8cb68c83ab99a474ae847602f0c514d0fe17cc82
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Mon Apr 10 13:54:45 2017 +0200

    drm: Fix get_property logic fumble

    Yet again I've proven that I can't negate conditions :(

    Testcase: igt/kms_properties/get_property-sanity
    Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
    Reviewed-by: Sean Paul <seanpaul@chromium.org>
    Fixes: eb8eb02ed850 ("drm: Drop modeset_lock_all from the getproperty
ioctl")

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[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

--- Comment #5 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to Alex Deucher from comment #4)
> Should be fixed by:
> 
> commit 8cb68c83ab99a474ae847602f0c514d0fe17cc82
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date:   Mon Apr 10 13:54:45 2017 +0200
> 
>     drm: Fix get_property logic fumble
> 
>     Yet again I've proven that I can't negate conditions :(
> 
>     Testcase: igt/kms_properties/get_property-sanity
>     Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>     Reviewed-by: Sean Paul <seanpaul@chromium.org>
>     Fixes: eb8eb02ed850 ("drm: Drop modeset_lock_all from the getproperty
> ioctl")

Ok, but it doesn't seem to be anywhere in your tree.

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[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

--- Comment #6 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Andy Furniss from comment #5)
> (In reply to Alex Deucher from comment #4)
> > Should be fixed by:
> > 
> > commit 8cb68c83ab99a474ae847602f0c514d0fe17cc82
> > Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> > Date:   Mon Apr 10 13:54:45 2017 +0200
> > 
> >     drm: Fix get_property logic fumble
> > 
> >     Yet again I've proven that I can't negate conditions :(
> > 
> >     Testcase: igt/kms_properties/get_property-sanity
> >     Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> >     Reviewed-by: Sean Paul <seanpaul@chromium.org>
> >     Fixes: eb8eb02ed850 ("drm: Drop modeset_lock_all from the getproperty
> > ioctl")
> 
> Ok, but it doesn't seem to be anywhere in your tree.

It hasn't been pulled into drm-next yet.

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[Bug 100673] Tonga agd5f drm-next-4.12-wip xorg segfault on startx

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https://bugs.freedesktop.org/show_bug.cgi?id=100673

Alex Deucher <alexdeucher@gmail.com> changed:

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

--- Comment #7 from Alex Deucher <alexdeucher@gmail.com> ---
Patch is in drm-next now.

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