[Bug 75211] New: radeonsi/llvm SIGABRT in Antichamber (UDK)

[Bug 75211] New: radeonsi/llvm SIGABRT in Antichamber (UDK)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

          Priority: medium
            Bug ID: 75211
          Assignee: dri-devel@lists.freedesktop.org
           Summary: radeonsi/llvm SIGABRT in Antichamber (UDK)
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: haagch.christoph@googlemail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Created attachment 94363
  --> https://bugs.freedesktop.org/attachment.cgi?id=94363&action=edit
backtrace without debug symbols

HD 7970M, mesa recent git, llvm 3.5 recent svn.


Antichamber based on Unreal Engine is available in the latest Humble Bundle.


The crash doesn't seem to happen deterministically, I produced such a crash two
times now by playing the game for a few minutes and then it randomly crashed.

UDKGame-Linux:
/build/lib32-llvm-svn/src/llvm/include/llvm/CodeGen/SlotIndexes.h:417:
llvm::SlotIndex llvm::SlotIndexes::getInstructionIndex(const
llvm::MachineInstr*) const: Assertion `itr != mi2iMap.end() && "Instruction not
found in maps."' failed.

Program received signal SIGABRT, Aborted.
0xf7fdb430 in __kernel_vsyscall ()


The backtrace I attached is without debug symbols so maybe isn't too
informative. Later I will compile with debug symbols and provide a better one
if needed.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

Christoph Haag <haagch.christoph@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #94363|0                           |1
        is obsolete|                            |

--- Comment #1 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 94379
  --> https://bugs.freedesktop.org/attachment.cgi?id=94379&action=edit
first short backtrace, then full backtrace with debug symbols

Okay, so here is a full backtrace with debugging information.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #2 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 94380
  --> https://bugs.freedesktop.org/attachment.cgi?id=94380&action=edit
last few lines before crash with MESA_GLSL=dump

So because it looks like it happens when compiling shaders I ran it with
MESA_GLSL=dump. It loads and compiles most shaders at the beginning, that
worked fine so I cut it off.

It occassionally seems to load new shaders, so after a while of gameplay with
no output the attached stuff was printed and then immediately after that the
game crashed.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #3 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #2)
> So because it looks like it happens when compiling shaders I ran it with
> MESA_GLSL=dump.

Please use R600_DEBUG=ps,vs instead of MESA_GLSL=dump.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

Christoph Haag <haagch.christoph@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #94380|0                           |1
        is obsolete|                            |

--- Comment #4 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 94423
  --> https://bugs.freedesktop.org/attachment.cgi?id=94423&action=edit
with R600_DEBUG=ps,vs

Wow, took me an hour of gameplay this time and quite a lot of loaded shaders in
that time before it happened. It looks relatively random, i.e. doesn't crash at
the same points in the game.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |75276

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #5 from Tom Stellard <tstellar@gmail.com> ---
Can you try this patch: https://bugs.freedesktop.org/attachment.cgi?id=94675

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #6 from Tom Stellard <tstellar@gmail.com> ---
Can you try this branch:
http://cgit.freedesktop.org/~tstellar/llvm/log/?h=si-spill-fixes

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #7 from VOT Productions <votproductions@gmail.com> ---
HD 7750, Mesa-git, LLVM 3.5-svn.

Sanctum 2 crashes with a similar error when loading.

417: llvm::SlotIndex llvm::SlotIndexes::getInstructionIndex(const
llvm::MachineInstr*) const: Assertion `itr != mi2iMap.end() && "Instruction not
found in maps."' failed.

Always crashes in the same place, and the same time.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #8 from Tom Stellard <tstellar@gmail.com> ---
Can you test this branch:
http://cgit.freedesktop.org/~tstellar/llvm/log/?h=si-spill-fixes-v2

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #9 from Tom Stellard <tstellar@gmail.com> ---
Updated v3 branch here:
http://cgit.freedesktop.org/~tstellar/llvm/log/?h=si-spill-fixes-v3

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #10 from Christoph Haag <haagch.christoph@googlemail.com> ---
Sorry for first only answering for Sanctum2, in Antichamber it often takes a
long time to reach the point where it happens.

Sanctum2 starts and runs okay now I guess. But there are pretty big problems
with it and I have no idea whether they are caused by this here or not:

As soon as the fullscreen window with Sanctum2 isn't displayed anymore (e.g.
minimizing or switching workspaces), the whole X display is getting scrambled,
but restores immediately when displaying the game window again. (Could of
course be just the PRIME setup).

I started setting the graphics options higher and higher and at some point, got
a GPU lockup. No gpu faults like in upvoid, just a lock up I think (blocked and
resetted and stuff). I got a complete machine lockup moments later and didn't
get more information. Again, no idea if it's related.

But the register spilling implementation at least works and seems to not cause
any direct problems.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #11 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 98201
  --> https://bugs.freedesktop.org/attachment.cgi?id=98201&action=edit
dmesg with GPU lockup

Yea, this is maybe going off topic, but I'm a bit tired, so here's the dmesg
with gpu lockup. 

It always happens when going to Sanctum2's advanced graphics setting, right
when enabling "Lichstrahlen" or light rays or whatever it's called in english.

The rest of the game seems to be fine as far as I have seen walking around for
a pretty short time.

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #12 from Tom Stellard <tstellar@gmail.com> ---
Can you try this LLVM patch:

https://bugs.freedesktop.org/attachment.cgi?id=99169

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #13 from Christoph Haag <haagch.christoph@googlemail.com> ---
(In reply to comment #12)
> Can you try this LLVM patch:
> 
> https://bugs.freedesktop.org/attachment.cgi?id=99169

Sorry, but on top of what revision?

Latest upstream trunk (209031) says:

SIInstrInfo.cpp:197:41: Fehler: falsche Benutzung des unvollständigen Typs
»const class llvm::Function«
     LLVMContext &Ctx = MF->getFunction()->getContext();

("wrong usage of partial type" or something)

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

--- Comment #14 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #13)
> (In reply to comment #12)
> > Can you try this LLVM patch:
> > 
> > https://bugs.freedesktop.org/attachment.cgi?id=99169
> 
> Sorry, but on top of what revision?
> 
> Latest upstream trunk (209031) says:
> 
> SIInstrInfo.cpp:197:41: Fehler: falsche Benutzung des unvollständigen Typs
> »const class llvm::Function«
>      LLVMContext &Ctx = MF->getFunction()->getContext();
> 
> ("wrong usage of partial type" or something)

I will post a new patch when I get a chance.  You should be able to fix this by
adding

#include "llvm/IR/Function.h" 

to the includes in SIInstrInfo.cpp

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211

Tom Stellard <tstellar@gmail.com> changed:

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

--- Comment #15 from Tom Stellard <tstellar@gmail.com> ---


*** This bug has been marked as a duplicate of bug 75276 ***

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[Bug 75211] radeonsi/llvm SIGABRT in Antichamber (UDK)

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https://bugs.freedesktop.org/show_bug.cgi?id=75211
Bug 75211 depends on bug 75276, which changed state.

Bug 75276 Summary: Implement VGPR Register Spilling
https://bugs.freedesktop.org/show_bug.cgi?id=75276

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

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