* [Bug 99019] "Star Ruler 2" game will freeze the system
2016-12-07 22:26 [Bug 99019] "Star Ruler 2" game will freeze the system bugzilla-daemon
@ 2016-12-08 2:09 ` bugzilla-daemon
2016-12-09 7:20 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #1 from smoki <smoki00790@gmail.com> ---
I remember this game has some shader fallback option in settings file, if true
that stopped freezing with radeonsi drivers.
So seems some issue with shaders by default.
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 99019] "Star Ruler 2" game will freeze the system
2016-12-07 22:26 [Bug 99019] "Star Ruler 2" game will freeze the system bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #2 from smoki <smoki00790@gmail.com> ---
Created attachment 128387
--> https://bugs.freedesktop.org/attachment.cgi?id=128387&action=edit
Shaders
Attached those two shaders if someone wanna investigate this.
"gui_skin_ps.txt" is that default and makes driver freeze, but falback one is
"gui_skin_simple_ps.txt" work fine.
Both works fine with AMD propertiary drivers.
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 99019] "Star Ruler 2" game will freeze the system
2016-12-07 22:26 [Bug 99019] "Star Ruler 2" game will freeze the system bugzilla-daemon
2016-12-08 2:09 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #3 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Could you provide an apitrace that reproduces the hang? That'll help track this
down eventually.
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #4 from smoki <smoki00790@gmail.com> ---
(In reply to Nicolai Hähnle from comment #3)
> Could you provide an apitrace that reproduces the hang? That'll help track
> this down eventually.
Here we go, just starting app and clicking on New Game:
https://www.dropbox.com/s/rje3xylvyablt4p/StarRuler2-trace.xz?dl=0
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #5 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Confirmed, it hangs the GPU at draw call 15626. Tested on RX 480 with latest
mesa/llvm.
Replacing gui_skin_ps.txt by gui_skin_simple_ps.txt with qapitrace fixes the
hang.
Not sure yet if the shader is miscompiled or if something is not currently
bound.
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2016-12-07 22:26 [Bug 99019] "Star Ruler 2" game will freeze the system bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #6 from Marek Olšák <maraeo@gmail.com> ---
The shader ends up in an infinite loop because of this:
...
v_cmpx_le_f32_e32 vcc, 0, v0
s_branch BB0_30
s_cbranch_execnz BB0_30
; BB#29:
exp null off, off, off, off done vm
s_endpgm
BB0_30: ; %endif110
...
s_branch shouldn't be there. It prevents killing the wave early and the loop
that follows is infinite, because it starts with EXEC=0.
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2016-12-07 22:26 [Bug 99019] "Star Ruler 2" game will freeze the system bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #7 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Thanks for the info Marek, this helped me to figure out the issue.
I have a fix locally for that hang, will think more before sending it though.
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2016-12-07 22:26 [Bug 99019] "Star Ruler 2" game will freeze the system bugzilla-daemon
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From: bugzilla-daemon @ 2017-01-05 12:31 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- Comment #8 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Possible fix is here https://reviews.llvm.org/D28351
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https://bugs.freedesktop.org/show_bug.cgi?id=99019
Samuel Pitoiset <samuel.pitoiset@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #9 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Should be fixed by
https://github.com/llvm-mirror/llvm/commit/e8e3365d5266760f3d7ad247f21496bb69cfef39.
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