[Bug 78669] New: [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

[Bug 78669] New: [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

          Priority: medium
            Bug ID: 78669
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [r600g with -O3]
                    layered-rendering/clear-color-all-types 3d
                    single_level fails
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: david.heidelberger@ixit.cz
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

$ bin/gl-3.2-layered-rendering-clear-color-all-types 3d single_level -fbo -auto

Clearing each layer individually
Probing level 0, layer 0
Probing level 0, layer 1
Probing level 0, layer 2
Probing level 0, layer 3
Clearing all layers in miplevel 0 at once
Probing level 0, layer 0
Probing level 0, layer 1
Probing level 0, layer 2
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 1.000000 0.000000 0.000000 1.000000
Probing level 0, layer 3
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 1.000000 0.000000 0.000000 1.000000

This happen with mesa compiled with -O3. With -Og is perfectly fine.
Kernel: 3.12.18
Mesa: git (1646f4d0fb0efec04dce62b6dd4d974206acc8ac)
Card: Radeon HD 6550 (3870K APU)

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[Bug 78669] [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
Is this only an issue with -O3?

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[Bug 78669] [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
nevermind.

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[Bug 78669] [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

--- Comment #3 from Marek Olšák <maraeo@gmail.com> ---
I think the result of this test is random. It's also random on radeonsi.

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[Bug 78669] [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

--- Comment #4 from David Heidelberger (okias) <david.heidelberger@ixit.cz> ---
it's random with -O3 or just random?

if you want some more testing on 6550D, let me know

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[Bug 78669] [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

--- Comment #5 from Marek Olšák <maraeo@gmail.com> ---
I always compile with -O2 and the test result is random pass/fail.

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[Bug 78669] [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

--- Comment #6 from David Heidelberger (okias) <david.heidelberger@ixit.cz> ---
try with -O3, then it's permanently

PIGLIT: {'result': 'fail' }

I tried:
while true; do
/home/okias/projects/piglit/bin/gl-3.2-layered-rendering-clear-color-all-types
3d single_level -fbo -auto | grep result; done

and always fail

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[Bug 78669] [r600g with -O3] layered-rendering/clear-color-all-types 3d single_level fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

--- Comment #7 from David Heidelberger (okias) <david.heidelberger@ixit.cz> ---
with -O between -Og, -O0 and -O2 it gives 1:300 - pass:fail
Chances for pass are increased by running or turning off any GL app.. for this
case I always get one or two "pass".

With CFLAGS="-ggdb -pg -g -Og -gdwarf-2 -gstrict-dwarf" I mostly getting more
pass for turning GL app on/off (about 3-4)

Command to test:
$ while true; do sleep 0.03 &&
/projects/piglit/bin/gl-3.2-layered-rendering-clear-color-all-types 3d
single_level -fbo -auto | grep pass; done

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[Bug 78669] [r600g, radeonsi] layered-rendering/clear-color-all-types 3d single_level randomly fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

David Heidelberger (okias) <david.heidelberger@ixit.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[r600g with -O3]            |[r600g, radeonsi]
                   |layered-rendering/clear-col |layered-rendering/clear-col
                   |or-all-types 3d             |or-all-types 3d
                   |single_level fails          |single_level randomly fails

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[Bug 78669] [r600g, radeonsi] layered-rendering/clear-color-all-types 3d single_level randomly fails

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https://bugs.freedesktop.org/show_bug.cgi?id=78669

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #8 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- 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/mesa/mesa/issues/510.

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