[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

            Bug ID: 101384
           Summary: [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1
           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: freedesktop@lanig.email
        QA Contact: dri-devel@lists.freedesktop.org

Ubuntu 17.04
Padoka-PPA
RX 480
Ryzen 7 1700X
32GiB RAM

Hero Siege doesn't start. The kernel message is:
si_shader:1[3325]: segfault at 0 ip 00000000e17b64f5 sp 00000000df6addf0 error
6 in libLLVM-5.0.so.1[e10c3000+360b000]

The error number differs for each attempt.

To reproduce this issue you might have to install these dependencies firstly:
- libopenal-dev:i386
- libxrandr-dev:i386
- libglu-dev:i386

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

Christian Lanig <freedesktop@lanig.email> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 OS|All                         |Linux (All)
           Hardware|Other                       |x86-64 (AMD64)

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #1 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Could you please provide a log when running the game with environment variable
R600_DEBUG=vs,tcs,tes,gs,ps,cs?

Also, could you please run with a debugger and debug symbols installed, and
provide a backtrace? Thank you!

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #2 from Christian Lanig <freedesktop@lanig.email> ---
Created attachment 131895
  --> https://bugs.freedesktop.org/attachment.cgi?id=131895&action=edit
R600_DEBUG="vs,tcs,tes,gs,ps,cs" ./runner

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

Christian Lanig <freedesktop@lanig.email> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #131895|0                           |1
        is obsolete|                            |

--- Comment #3 from Christian Lanig <freedesktop@lanig.email> ---
Created attachment 131897
  --> https://bugs.freedesktop.org/attachment.cgi?id=131897&action=edit
R600_DEBUG="vs,tcs,tes,gs,ps,cs" ./runner

Previous log was incorrect.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #4 from Christian Lanig <freedesktop@lanig.email> ---
Created attachment 131899
  --> https://bugs.freedesktop.org/attachment.cgi?id=131899&action=edit
Debugger backtrace info.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #5 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Created attachment 131900
  --> https://bugs.freedesktop.org/attachment.cgi?id=131900&action=edit
possible fix

As discussed on IRC, the error goes away when dumping shaders, which means that
the bug might be related to multi-threading. This suggests the attached patch.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #6 from Christian Lanig <freedesktop@lanig.email> ---
Created attachment 131901
  --> https://bugs.freedesktop.org/attachment.cgi?id=131901&action=edit
Pixel shader debug only.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #7 from Christian Lanig <freedesktop@lanig.email> ---
Created attachment 131902
  --> https://bugs.freedesktop.org/attachment.cgi?id=131902&action=edit
Vertex shaders only.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

Nicolai Hähnle <nhaehnle@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #131900|0                           |1
        is obsolete|                            |

--- Comment #8 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Created attachment 132057
  --> https://bugs.freedesktop.org/attachment.cgi?id=132057&action=edit
possible fix

Did you get around to testing with the provided patch? That would still be
useful, though please use the newly attached instead if you do. Thanks!

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #9 from Christian Lanig <freedesktop@lanig.email> ---
Thanks a lot for your help!

I am still trying to give you the requested info as soon as possible but I ran
into several issues trying to compile Mesa and I am also a bit busy sometimes.
However, I know how to fix the remaining issues and it will just be a matter of
time to fix the whole string to the end. It's also pretty educational.

But I would also be happy when someone who owns this game and compiles Mesa
regularly could test this patch on his own to accelerate the procedure.

The only thing I could find out so far was that it also crashes with 17.0.3
which is the standard version of Ubuntu 17.04 and it also runs fine while the
shaders are dumped.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

--- Comment #10 from Christian Lanig <freedesktop@lanig.email> ---
Sorry that it took so long.

I have been able to compile Mesa from git and noticed that the patch has
already been applied. Unfortunately Hero Siege still doesn't run without
dumping both vertex and pixel shaders.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |105797


Referenced Bugs:

https://bugs.freedesktop.org/show_bug.cgi?id=105797
[Bug 105797] Tracker for YoYo based games start-up crashes
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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |77449


Referenced Bugs:

https://bugs.freedesktop.org/show_bug.cgi?id=77449
[Bug 77449] Tracker bug for all bugs related to Steam titles
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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384

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

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

--- 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/1269.

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[Bug 101384] [Hero Siege] si_shader: segfault in libLLVM-5.0.so.1

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https://bugs.freedesktop.org/show_bug.cgi?id=101384
Bug 101384 depends on bug 105797, which changed state.

Bug 105797 Summary: Tracker for YoYo based games start-up crashes
https://bugs.freedesktop.org/show_bug.cgi?id=105797

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

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