[Bug 110575] [R9 380X] Artifacts in CSGO

[Bug 110575] [R9 380X] Artifacts in CSGO

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

            Bug ID: 110575
           Summary: [R9 380X] Artifacts in CSGO
           Product: Mesa
           Version: git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: danylo.piliaiev@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 144123
  --> https://bugs.freedesktop.org/attachment.cgi?id=144123&action=edit
example of artifacts

Distro: Manjaro
Kernel: 5.0.5
GPU: R9 380X

Reproducible with:
  Mesa: git (07745f94948)
  LLVM: 9 (359393)

Isn't reproducible with:
  Mesa: 19.0.3
  LLVM: 8

Parts of the screen randomly become corrupted for 1 or 2 frames. It's not a
rare event.
Doesn't happen when capturing and/or replaying with apitrace.
Doesn't happen when running OBS.

Happens on new Sirocco map, didn't test on other.

Sorry for the image quality - it was taken from video recorded with old phone,
the grey squares on a tree branch are the artifacts in question but they could
be completely different.

I'm using https://pkgbuild.com/~lcarlier/mesa-git/x86_64/ for mesa and llvm
builds.

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

--- Comment #1 from Timothy Arceri <t_arceri@yahoo.com.au> ---
Bit of a stab in the dark but if its related to bug #100239

You could try running steam from the command line with:

R600_DEBUG=zerovram steam

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

Danylo <danylo.piliaiev@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |danylo.piliaiev@gmail.com

--- Comment #2 from Danylo <danylo.piliaiev@gmail.com> ---
Created attachment 144152
  --> https://bugs.freedesktop.org/attachment.cgi?id=144152&action=edit
Artifacts captured with OBS

No luck with it unfortunately. Also I got one small artifact when captured the
game with OBS but it happened only ones.

I'm somehow unable to launch CSGO with non system mesa:

LIBGL_DEBUG=verbose LIBGL_DRIVERS_PATH=path_to_mesa_bin/lib/dri/
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:path_to_mesa_bin/lib/ %command% &> ~/csgo.log

CSGO launches and screen remains black forever without any errors in log.
However other games work fine e.g. Rocket League. I don't know what I'm
missing.

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

--- Comment #3 from tempel.julian@gmail.com ---
Can you try R600_DEBUG=nohyperz? I have this kind of glitches in almost every
game with OpenGL/Gallium Nine on Polaris and this variable seems to help at
least in Skyrim with Gallium Nine (haven't tested anything else so far).

My bug report:
https://bugs.freedesktop.org/show_bug.cgi?id=110635

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

--- Comment #4 from Danylo <danylo.piliaiev@gmail.com> ---
I'll try it later when will come home, thanks. It also happens in Minecraft but
much rarer (so I wasn't patient enough to bisect with it).

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

--- Comment #5 from Danylo <danylo.piliaiev@gmail.com> ---
It helps, unfortunately  it also reduces fps by around 15 - 20%

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

--- Comment #6 from tempel.julian@gmail.com ---
It seems R600_DEBUG=nodma helps as well and hardly costs any performance in
CS:GO or Skyrim Gallium Nine.

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

--- Comment #7 from Marek Olšák <maraeo@gmail.com> ---
I plan to disable SDMA image copies by default on dGPUs.

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Re: [Bug 110575] [R9 380X] Artifacts in CSGO

[sylvain.bertrand]

On Tue, Jul 30, 2019 at 08:54:44PM +0000, bugzilla-daemon@freedesktop.org wrote:
> I plan to disable SDMA image copies by default on dGPUs.

Is there a plan to "standardize" tiling format of frame buffer?
(to dma the right format properly from one brand of gpus to another)

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

--- Comment #8 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
On Tue, Jul 30, 2019 at 08:54:44PM +0000, bugzilla-daemon@freedesktop.org
wrote:
> I plan to disable SDMA image copies by default on dGPUs.

Is there a plan to "standardize" tiling format of frame buffer?
(to dma the right format properly from one brand of gpus to another)

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[Bug 110575] [R9 380X] Artifacts in CSGO

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https://bugs.freedesktop.org/show_bug.cgi?id=110575

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

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

--- Comment #9 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/1393.

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