[Bug 99326] Boot problem and White dots/noise/speckling/shimmering/corruption on Radeon HD6320

[Bug 99326] Boot problem and White dots/noise/speckling/shimmering/corruption on Radeon HD6320

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=99326

            Bug ID: 99326
           Summary: Boot problem and White
                    dots/noise/speckling/shimmering/corruption on Radeon
                    HD6320
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: mrj@advancedcontrols.com.au

A default Gnome install of either Fedora 25 or Fedora 24 (latest spin)
Workstation, on a machine with a Radeon HD6320 (AMD G-series T56N) graphics
chip running 1360x768@60Hz, has a display that most of the time is black on
boot (reboot required -- hangs?), but occasionally completes booting with a
display that all over shimmers with white noise, as seen in the following
video:

https://www.youtube.com/watch?v=dHW6kM4koQ0


The problem has been traced to this Linux kernel commit
https://github.com/torvalds/linux/commit/ff0bd441bdfbfa09d05fdba9829a0401a46635c1
, made to fix Bug 95206.

Xorg logs and xrandr output seem to indicate the the same modeline is selected
after this commit is reversed, even though the boot and display problems no
longer occur.


The equivalent Red Hat bug is
https://bugzilla.redhat.com/show_bug.cgi?id=1402293

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[Bug 99326] Boot problem and White dots/noise/speckling/shimmering/corruption on Radeon HD6320

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https://bugs.freedesktop.org/show_bug.cgi?id=99326

--- Comment #1 from mrj@advancedcontrols.com.au ---
Compiling custom kernels has been too much work, so we've moved our production
from AMD T56N to Intel i3-4010U.

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[Bug 99326] Boot problem and White dots/noise/speckling/shimmering/corruption on Radeon HD6320

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https://bugs.freedesktop.org/show_bug.cgi?id=99326

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/769.

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