[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

            Bug ID: 97806
           Summary: GPU lockup with mesa-git and llvm-svn with rx 470 on
                    Unigine Heaven and TombRaider 2013
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: lordheavym@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Just swithed from a R9 380 to a RX 470, from the first tests i have a GPU
lockup on the first frames  with Unigine Heaven and Tom Raider 2013 benchmark.

* mesa-git a1e49b / llvm-svn trunk 281305
* AMD RX 470 nitro+ OC 8gB - AMD POLARIS10 (DRM 3.2.0 / 4.7.3-2-ARCH, LLVM
4.0.0) (0x67df)
* latest linux-firmware

It doesn't lockup with mesa-12.0.2 with llvm-3.8.1
I've also tried mesa-git with llvm-3.8.1 and it doesn't lockup too.

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #1 from Laurent carlier <lordheavym@gmail.com> ---
Oops it's with kernel 4.7.3

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #2 from Nicolai Hähnle <nhaehnle@gmail.com> ---
LLVM 3.8 is already fairly old for graphics stack standards. Can you try with
current trunk?

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #3 from Laurent carlier <lordheavym@gmail.com> ---
(In reply to Nicolai Hähnle from comment #2)
> LLVM 3.8 is already fairly old for graphics stack standards. Can you try
> with current trunk?

Already done :) and i have a gpu lockup with mesa-git trunk with llvm-svn
trunk. It's working with mesa-git trunk with llvm-3.8.1

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #4 from Laurent carlier <lordheavym@gmail.com> ---
(In reply to Nicolai Hähnle from comment #2)
> LLVM 3.8 is already fairly old for graphics stack standards. Can you try
> with current trunk?

No GPU lockup with llvm-3.9.0/mesa-git

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #5 from Michel Dänzer <michel@daenzer.net> ---
The obvious next step would be bisecting LLVM, but be warned that it can be a
little painful, as you may have to find different Mesa Git snapshots to build
and work with different LLVM Git snapshots.

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #6 from Laurent carlier <lordheavym@gmail.com> ---
Bisecting gives me:
c220fde748d8b296c46498b37753c494a57e2ee9 is the first bad commit
commit c220fde748d8b296c46498b37753c494a57e2ee9
Author: Valery Pykhtin <Valery.Pykhtin@amd.com>
Date:   Sat Sep 10 13:09:16 2016 +0000

    [AMDGPU] Refactor MUBUF/MTBUF instructions

    Differential revision: https://reviews.llvm.org/D24295

    git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281137
91177308-0d34-0410-b5e6-96231b3b80d8

:040000 040000 836a392130fd7b35b72ad5a681278a6b5f271258
07e868b807f3eed07c1cc7dd7c766d630f0f9480 M      lib

Bisected from llvm-git mirror

$ git bisect log                                                                
git bisect start                                                                
# good: [5337a14483af37562e99cd0bb35f1aa06b9ab7ec] Bump the trunk version to
4.0.0svn.                                                                       
git bisect good 5337a14483af37562e99cd0bb35f1aa06b9ab7ec                        
# bad: [f31e66357099bc37f69d251b016fe70ac0b595d3] [PM] Port CFGViewer and
CFGPrinter to the new Pass Manager Differential Revision:
https://reviews.llvm.org/D24592                                               
git bisect bad f31e66357099bc37f69d251b016fe70ac0b595d3                         
# good: [12dc55cb60365c7a75a868e3ce468396ceaf4986] [Hexagon] Improve test to
check for @PCREL, only run llc, not opt -> llc.                                 
git bisect good 12dc55cb60365c7a75a868e3ce468396ceaf4986                        
# good: [605a81a85c4c0426b4a59a3a4afeda020eb92316] AMDGPU: Relax SGPR asm
constraint register class
git bisect good 605a81a85c4c0426b4a59a3a4afeda020eb92316
# good: [6d2157da81ba33f283ec7fa6c428bf63594a5715] [AA] Fix typo in comment
(s/hase/has).
git bisect good 6d2157da81ba33f283ec7fa6c428bf63594a5715
# bad: [0aa0c7d910cfa845790645e9d124e4162f9fc44b] Revert "[ARM] Promote small
global constants to constant pools"
git bisect bad 0aa0c7d910cfa845790645e9d124e4162f9fc44b
# good: [1f4e68f079c8fa2a39912c50e3fa984133d7a770] [cmake] Export
gtest/gtest_main and its dependencies via a special build tree only cmake
exports file.
git bisect good 1f4e68f079c8fa2a39912c50e3fa984133d7a770
# bad: [d3eebe7daf2b913d5b1b79ce523c090c64bd4212] [AVX-512] Add test cases to
demonstrate opportunities for commuting vpternlog. Commuting will be added in a
future commit.
git bisect bad d3eebe7daf2b913d5b1b79ce523c090c64bd4212
# good: [da28e63a7469154c6888e0c70b1cad54cd7668bf] AMDGPU: Fix scheduling info
for spill pseudos
git bisect good da28e63a7469154c6888e0c70b1cad54cd7668bf
# bad: [df708a504e06b5769348b09240abcfa8b7aa3a28] Add an isSwiftError predicate
to Value
git bisect bad df708a504e06b5769348b09240abcfa8b7aa3a28
# bad: [c220fde748d8b296c46498b37753c494a57e2ee9] [AMDGPU] Refactor MUBUF/MTBUF
instructions
git bisect bad c220fde748d8b296c46498b37753c494a57e2ee9
# good: [b7ef2005d10c48e878a1b19b504e1386f6e9e7cd] [WebAssembly] Fix typos in
comments
git bisect good b7ef2005d10c48e878a1b19b504e1386f6e9e7cd
# good: [68d7a57aba91c4ebb4f83caf1bf539d16b317c90] [gold/LTO] Add test case for
r281134
git bisect good 68d7a57aba91c4ebb4f83caf1bf539d16b317c90
# first bad commit: [c220fde748d8b296c46498b37753c494a57e2ee9] [AMDGPU]
Refactor MUBUF/MTBUF instructions

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #7 from Laurent carlier <lordheavym@gmail.com> ---
I have the gpu lockup with Unigine Heaven only when tesselation is enabled
regardless of the level

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #8 from Tom Stellard <tstellar@gmail.com> ---
Can you post good/bad shader logs: R600_DEBUG=ps,gs,vs,cs,tcs,tes

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #9 from Laurent carlier <lordheavym@gmail.com> ---
Created attachment 126709
  --> https://bugs.freedesktop.org/attachment.cgi?id=126709&action=edit
output of R600_DEBUG=ps,gs,vs,cs,tcs,tes ./heaven with tesselation extreme ->
lockup

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #10 from Laurent carlier <lordheavym@gmail.com> ---
Created attachment 126712
  --> https://bugs.freedesktop.org/attachment.cgi?id=126712&action=edit
output of R600_DEBUG=ps,gs,vs,cs,tcs,tes ./heaven with tesselation extreme and
llvm-3.9.0 -> good

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #11 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Could you please also run the hanging setup with GALLIUM_DDEBUG="pipelined
1000"? That should produce a file in ~/ddebug_dumps/ which will allow isolating
the problematic shader.

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

--- Comment #12 from Laurent carlier <lordheavym@gmail.com> ---
Created attachment 126713
  --> https://bugs.freedesktop.org/attachment.cgi?id=126713&action=edit
GALLIUM_DDEBUG="pipelined 1000" ./heaven

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[Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013

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https://bugs.freedesktop.org/show_bug.cgi?id=97806

Laurent carlier <lordheavym@gmail.com> changed:

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

--- Comment #13 from Laurent carlier <lordheavym@gmail.com> ---
Fixed with llvm commit:
Author: vpykhtin
Date: Fri Sep 23 16:21:21 2016
New Revision: 282296

URL: http://llvm.org/viewvc/llvm-project?rev=282296&view=rev
Log:
[AMDGPU] Fix for bz30427: wrong MTBUF encoding on VI

Differential revision: https://reviews.llvm.org/D24875

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llvm bug report https://llvm.org/bugs/show_bug.cgi?id=30427

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