[Bug 64695] New: Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[Bug 64695] New: Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

          Priority: medium
            Bug ID: 64695
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Enabling both MLAA and MLAA color 2D crashes Gnome
                    Shell on Cayman (6950)
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: alexandre.f.demers@gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Forcing MLAA through driconf on Cayman 6950 crashes Gnome Shell if both mlaa
and mlaa color (2D) are set (tested with both set to 8). If one of them is not
set, Gnome Shell doesn't crashes.

MLAA color (2D) seems to have an effect on my Gnome Shell display. Tested with
mesa's commit 7e17e72cb716c56264d4778684f6f23de69a56a1.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

Alexandre Demers <alexandre.f.demers@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=56534

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
What do you mean by crash?  system hang?  segfault?

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #2 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
Sorry, I just had time to copy what I had reported in bug 56534. Gnome Shell
ends up with a "Oops". I'll dig in logs to search for more clues.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #3 from Brian Paul <brianp@vmware.com> ---
Created attachment 81345
  --> https://bugs.freedesktop.org/attachment.cgi?id=81345&action=edit
Improved error handling for post-process code

I don't know if this patch will help with your issue, but please give it a try.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #4 from Brian Paul <brianp@vmware.com> ---
I'm going to push this patch since it fixes some issues we've seen here.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #5 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
Sorry for not replying sooner. I've been moving to a new home and doing some
renovations. I'll test it during the weekend to let you know if this helps me
with anything.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #6 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
Quickly tested with today's git and it still does the same "Oops". However, KDE
doesn't have any problem to load. I'll give more info soon, I just don't have
much time right now.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #7 from Marek Olšák <maraeo@gmail.com> ---
This bug should be fixed with latest Mesa git now. Please confirm.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

--- Comment #8 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #7)
> This bug should be fixed with latest Mesa git now. Please confirm.

I'll do as soon as the bison3 patches get pushed in the git tree.

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[Bug 64695] Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=64695

Alexandre Demers <alexandre.f.demers@gmail.com> changed:

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

--- Comment #9 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
Tested and it now works correctly

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