[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

            Bug ID: 108318
           Summary: [Polaris] Glitches in New Super Mario Brothers U in
                    Cemu on Polaris only (recent)
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: johngaltfirstrun@gmail.com

Created attachment 141980
  --> https://bugs.freedesktop.org/attachment.cgi?id=141980&action=edit
dmesg from boo

This is a semi recent (within the last few months) bug on Polaris in NSMBU.
Many polygons (maybe?) have major glitches across the screen, or don't show up
at all. This doesn't occur on Tahiti or Pitcairn. I've gone back to 18.2.1 and
verified it still exists, so it must be prior. It also exists on both linux
4.18.12 and the amdgpu-staging-drm-next branch. I'll continue attempting to
bisect, unless someone else knows exactly what the issue is.

There are quite a few GPU faults listed in the attached dmesg, though I'm not
sure if they're related to the issue. Glxinfo, Xorg.0.log, as well as a
screenshot of the issue.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #1 from John Galt <johngaltfirstrun@gmail.com> ---
Created attachment 141981
  --> https://bugs.freedesktop.org/attachment.cgi?id=141981&action=edit
xorg log

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #2 from John Galt <johngaltfirstrun@gmail.com> ---
Created attachment 141982
  --> https://bugs.freedesktop.org/attachment.cgi?id=141982&action=edit
glxinfo

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #3 from John Galt <johngaltfirstrun@gmail.com> ---
Created attachment 141983
  --> https://bugs.freedesktop.org/attachment.cgi?id=141983&action=edit
screenshot of the issue

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #4 from John Galt <johngaltfirstrun@gmail.com> ---
I forgot to mention, if IRC works better for communication for anyone, I'm
TheRealJohnGalt on Freenode #radeon.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

John Galt <johngaltfirstrun@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #141980|dmesg from boo              |dmesg from boot to the
        description|                            |issue

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris only (recent)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #5 from John Galt <johngaltfirstrun@gmail.com> ---
I was incorrect, this also happens on Tahiti now.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

John Galt <johngaltfirstrun@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[Polaris] Glitches in New   |[Polaris] Glitches in New
                   |Super Mario Brothers U in   |Super Mario Brothers U in
                   |Cemu on Polaris only        |Cemu on Polaris and Tahiti
                   |(recent)                    |(maybe more)

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #6 from Alex Deucher <alexdeucher@gmail.com> ---
Seems more likely to be an LLVM or Mesa bug than a kernel one.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|DRI                         |Mesa
            Version|DRI git                     |unspecified
         QA Contact|                            |dri-devel@lists.freedesktop
                   |                            |.org
          Component|DRM/AMDgpu                  |Drivers/Gallium/radeonsi

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #7 from John Galt <johngaltfirstrun@gmail.com> ---
(In reply to Alex Deucher from comment #6)
> Seems more likely to be an LLVM or Mesa bug than a kernel one.

I went back to 4.18.7 and it persisted, so you're correct. It was okay early on
at 18.2.0 with llvm svn. I'll go back to 18.2.0 to test, and if it's broken
then we know it's llvm.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #8 from John Galt <johngaltfirstrun@gmail.com> ---
I attempted to bisect in Mesa, and found that I wasn't able to get rid of the
glitch. The regression must be in LLVM.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

--- Comment #9 from John Galt <johngaltfirstrun@gmail.com> ---
R600_DEBUG=nir works around this issue. If requested, I can provide apidoc of
this rendering issue.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

Timothy Arceri <t_arceri@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #10 from Timothy Arceri <t_arceri@yahoo.com.au> ---
Is this still an issue with the development version of LLVM 9.0 ? There have
been many LLVM bug fixes since this issue was reported.

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[Bug 108318] [Polaris] Glitches in New Super Mario Brothers U in Cemu on Polaris and Tahiti (maybe more)

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https://bugs.freedesktop.org/show_bug.cgi?id=108318

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

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

--- Comment #11 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/1335.

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