* [Bug 97806] GPU lockup with mesa-git and llvm-svn with rx 470 on Unigine Heaven and TombRaider 2013
2016-09-14 14:52 [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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--- Comment #1 from Laurent carlier <lordheavym@gmail.com> ---
Oops it's with kernel 4.7.3
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--- 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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--- 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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--- 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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--- 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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--- 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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--- 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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--- 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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--- 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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--- 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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--- 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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--- 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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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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