[Bug 74784] New: Strange artifacts when rendering tees in Dota 2

[Bug 74784] New: Strange artifacts when rendering tees in Dota 2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

          Priority: medium
            Bug ID: 74784
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Strange artifacts when rendering tees in Dota 2
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: brunojimen@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 93753
  --> https://bugs.freedesktop.org/attachment.cgi?id=93753&action=edit
Strange artifacts in trees

Hi,

When playing Dota 2, randomly and depending on the ligh and the perspective,
some random artifacts appear in trees. They also appear in other places, but
the trees are the most visible ones.

My graphics card is an AMD HD5470M (AMD Cedar) and I am using Arch linux 64
bits and mesa compiled from git at commit 356aff3.

I thought this problem could be related to this other bug report:
https://bugs.freedesktop.org/show_bug.cgi?id=72895 but applying that patch
doesn't help.

The attached screenshot shows the problem with the trees.

If you need anything else, just ask.

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[Bug 74784] Strange artifacts when rendering tees in Dota 2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

Bruno Jiménez <brunojimen@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #93753|text/plain                  |text/jpg
          mime type|                            |

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[Bug 74784] Strange artifacts when rendering tees in Dota 2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

Emil Velikov <emil.l.velikov@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #93753|text/jpg                    |image/jpeg
          mime type|                            |

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Strange artifacts when      |Strange artifacts when
                   |rendering tees in Dota 2    |rendering trees in Dota 2

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
Please attach your xorg log and dmesg output.  Are using using the llvm backend
in r600g?  If so, does disabling it help?  Also, if this is a regression, can
you bisect?

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #2 from Bruno Jiménez <brunojimen@gmail.com> ---
Yes, I am using the llvm backend (you mean the --enable-r600-llvm-compiler
configure option, don't you? )

I will compile a mesa package without that option, and tonight I will see if it
continues to happend and I will attach the xorg and dmesg logs.

And yes, it is a regression, although the best date I can give as not happening
is the 29th of December.

If disabling the llvm backend doesn't help, I will start bisecting.

Thanks for all!

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #3 from Bruno Jiménez <brunojimen@gmail.com> ---
Created attachment 93795
  --> https://bugs.freedesktop.org/attachment.cgi?id=93795&action=edit
dmesg log

Theres like 440 lines that look like this:

radeon 0000:01:00.0: evergreen_cs_track_validate_cb:413 cb invalid format 0 for
1 (0x00000000)
radeon 0000:01:00.0: evergreen_packet3_check:1918 invalid cmd
s[drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #4 from Bruno Jiménez <brunojimen@gmail.com> ---
Created attachment 93796
  --> https://bugs.freedesktop.org/attachment.cgi?id=93796&action=edit
xorg log

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> ---
This may be a duplicate of bug 68451.  Make sure your kernel has this patch:

drm/radeon: skip colorbuffer checking if COLOR_INFO.FORMAT is set to INVALID

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #6 from Bruno Jiménez <brunojimen@gmail.com> ---
No, Arch doesn't seem to apply that patch. But I am still using kernel 3.12.9,
should it be there too?

Also, that bug report was reopened on the 19 Dec, but I think (I may be wrong)
I recompiled mesa after that and didn't see anything wrong.

And compiling without --enable-r600-llvm-compiler doesn't help either.

If I can help with anything else, just ask.

Thanks

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

Bruno Jiménez <brunojimen@gmail.com> changed:

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

--- Comment #7 from Bruno Jiménez <brunojimen@gmail.com> ---
With mesa at commit 6d1cecb (Friday evening) this problem is fixed.

Thanks!

P.D: Maybe it was related to the hyperz problem of r600g drivers, as I am using
a revision that is after this commit
http://cgit.freedesktop.org/mesa/mesa/commit/?id=01e637114914453451becc0dc8afe60faff48d84

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #8 from Andreas Boll <andreas.boll.dev@gmail.com> ---
(In reply to comment #7)
> With mesa at commit 6d1cecb (Friday evening) this problem is fixed.
> 
> Thanks!
> 
> P.D: Maybe it was related to the hyperz problem of r600g drivers, as I am
> using a revision that is after this commit
> http://cgit.freedesktop.org/mesa/mesa/commit/
> ?id=01e637114914453451becc0dc8afe60faff48d84

Could you set the following environment variable to re-enable hyperz?

R600_DEBUG=hyperz

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[Bug 74784] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #9 from Bruno Jiménez <brunojimen@gmail.com> ---
With 'R600_DEBUG=hyperz' the problem happens again, so I'm afraid that it's
something related to the hyperz.

If I can help with anything else, just ask.

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[Bug 74784] [hyperz] Strange artifacts when rendering trees in Dota 2

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[-- Attachment #1.1: Type: text/plain, Size: 561 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=74784

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Strange artifacts when      |[hyperz] Strange artifacts
                   |rendering trees in Dota 2   |when rendering trees in
                   |                            |Dota 2
             Blocks|                            |75112

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[Bug 74784] [hyperz] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

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

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

--- Comment #10 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
The bug is not fixed, HyperZ has only been disabled by default. Please, keep
opened to track the problem until HyperZ is fixed.

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[Bug 74784] [hyperz] Strange artifacts when rendering trees in Dota 2

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https://bugs.freedesktop.org/show_bug.cgi?id=74784

--- Comment #11 from Marek Olšák <maraeo@gmail.com> ---
Could you please test if this is fixed with current Mesa git?

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[Bug 74784] [hyperz] Strange artifacts when rendering trees in Dota 2

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 857 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=74784

Bruno Jiménez <brunojimen@gmail.com> changed:

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

--- Comment #12 from Bruno Jiménez <brunojimen@gmail.com> ---
Hi,

I have just tried with 'R600_DEBUG=hyperz' to enable hyperz with mesa built
from yesterday master.

I have played a match with a hero that used to cause failures with some of his
abilities, but as far as I can tell, there has been no problem.

So it seems that this bug has been resolved (^_^)

If you need anything else just ask.

Thanks!

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