[Mesa-dev] [Bug 105918] Mesa 18.0.0-2 video color issues and distorted video with system hang on restart (Apple Mac Pro 6, 1 with AMD D300 GPUs)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105918

            Bug ID: 105918
           Summary: Mesa 18.0.0-2 video color issues and distorted video
                    with system hang on restart (Apple Mac Pro 6,1 with
                    AMD D300 GPUs)
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: cory at fuckyouprius.com
        QA Contact: mesa-dev at lists.freedesktop.org

Apple Mac Pro 6,1 (black trash can) with dual AMD D300 GPUs has improper video
color (e.g., all terminals whether vte based or not [tested termite and
alacritty which uses the GPU], black background is instead blue, window title
bar text is very difficult to read, almost white on white using Adwaita theme
under i3wm) or will distort video with distorted rectangles upon reboot attempt
(cannot use MagicSysKey and REISUB as it appears hard locked).

This happened originally with amdgpu, kernel 4.15.15, Arch Linux after a full
(not partial) system update when Mesa 18.0.0-2 hit the main repos.

Tried switching to kernel 4.14.x, no change. Tried vanilla and zen kernels, no
change.

Tried changing from amdgpu to radeon along with various kernels, no change.

Went back to amdgpu, downgraded the following (all at once since they were in
the batch of updates that caused the issue) to 17.3.7-1 and normal video has
been restored: mesa, mesa-vdpau, libva-mesa-driver, lib32-libva-mesa-driver,
lib32-mesa, lib32-mesa-vdpau, lib32-vulkan-radeon, opencl-mesa and
vulkan-radeon.

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