[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=105042

            Bug ID: 105042
           Summary: [LLVM Regression] Shadow of Mordor stucks at intro
                    video
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: gr.muench@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 137268
  --> https://bugs.freedesktop.org/attachment.cgi?id=137268&action=edit
game crash dump

The last thing you see is the WB Games logo. The music still plays but it
doesnt get any further, so you cant see the main menu. The CPU is getting 100%
load, seems to be stuck in an endless loop. 
In the console you only see this:
Game crashed, if possible email [support@feralinteractive.com] with the crash
file.
A dmp file is created and attached here.

The problem seems to be with LLVM, last good for me is 324167 first bad 324807.

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[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

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https://bugs.freedesktop.org/show_bug.cgi?id=105042

--- Comment #1 from Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> ---
What happens with the range in between? There are quite a few commits ot the
AMDGPU backend in there so would be good if we can reduce that range and
pinpoint the exact revision that is causing it.

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[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

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https://bugs.freedesktop.org/show_bug.cgi?id=105042

--- Comment #2 from Gregor Münch <gr.muench@gmail.com> ---
Im using pre-compiled llvm binaries- thus I have no packages to try in between.
I know how to do a bisect with git but I somehow fail to do the same with svn.
Maybe solution is actually easy -if someone could guide me here I think I
provide a bisect result during this week.

I tried today with nir backend and here it is crashing right away on game start
(and even gives some output):
Unknown intrinsic: intrinsic store_shared (ssa_45, ssa_46) () (0, 1) /* base=0
*/ /* wrmask=x */
Unknown intrinsic: intrinsic store_shared (ssa_73, ssa_74) () (0, 1) /* base=0
*/ /* wrmask=x */
Unknown intrinsic: vec1 32 ssa_75 = intrinsic load_shared (ssa_46) () (0) /*
base=0 */
Unknown intrinsic: vec1 32 ssa_76 = intrinsic load_shared (ssa_74) () (0) /*
base=0 */
/run/media/greg/Steam_Linux/steamapps/common/ShadowOfMordor/ShadowOfMordor.sh:
Zeile 167:  6992 Speicherzugriffsfehler  (Speicherabzug geschrieben)
${GAME_LAUNCH_PREFIX} "${GAMEROOT}/bin/${FERAL_GAME_NAME}" "$@"

It was previously working great with nir before.

Forgot to add:
OpenGL renderer string: AMD Radeon HD 7900 Series (TAHITI / DRM 3.25.0 /
4.15.0-2-amd-staging-drm-next-git, LLVM 7.0.0)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.1.0-devel
(git-9b9a89cd79)

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[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

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https://bugs.freedesktop.org/show_bug.cgi?id=105042

--- Comment #3 from Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> ---
There is a git mirror for LLVM:

https://github.com/llvm-mirror/llvm

wrt the nir crash I doubt that is due to LLVM, might be because we only enabled
compute shaders for nir somewhat recently.

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[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

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https://bugs.freedesktop.org/show_bug.cgi?id=105042

Andy Furniss <adf.lists@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |adf.lists@gmail.com

--- Comment #4 from Andy Furniss <adf.lists@gmail.com> ---
I filed a "game hangs" llvm regression here -

https://bugs.llvm.org/show_bug.cgi?id=36332

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[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

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https://bugs.freedesktop.org/show_bug.cgi?id=105042

Gregor Münch <gr.muench@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |m.c.searles@gmail.com
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from Gregor Münch <gr.muench@gmail.com> ---
Probably fixed by:
https://github.com/llvm-mirror/llvm/commit/04c7451aa8dfdee17307231fecd29b6d5e989e4b

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[Bug 105042] [LLVM Regression] Shadow of Mordor stucks at intro video

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https://bugs.freedesktop.org/show_bug.cgi?id=105042

Gregor Münch <gr.muench@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |0xe2.0x9a.0x9b@gmail.com

--- Comment #7 from Gregor Münch <gr.muench@gmail.com> ---
*** Bug 105228 has been marked as a duplicate of this bug. ***

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