[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

            Bug ID: 101731
           Summary: System freeze with AMDGPU when playing The Witcher 3
           Product: Mesa
           Version: 17.1
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: murks@tuxfamily.org
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 132575
  --> https://bugs.freedesktop.org/attachment.cgi?id=132575&action=edit
Save Game to reproduce the bug

Hi there.

I get reproducable system freezes when playing The Witcher 3. The save game
that lets me reproduce this quickly is attached (requires The Witcher 3 with
all Add-Ons).

I've reported this bug it wine first but as far as we could firgure out it is
more likely a bug in mesa. You can find the wine bug report here:
https://bugs.winehq.org/show_bug.cgi?id=43273

I'm using an AMD RX 460 on Arch Linux with Mesa 17.1.4.

I don't know how to debug this further since I can't do anything as soon as the
freeze happens. The game music keeps playing. Sometimes Ctrl+Alt+FX lets me see
the TTY, but nothing reacts afterwards and the game music stops.

There is nothing possibly related in the journal or Xorg logs.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #1 from Philipp Überbacher <murks@tuxfamily.org> ---
Created attachment 132576
  --> https://bugs.freedesktop.org/attachment.cgi?id=132576&action=edit
glxinfo output

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #2 from Clément Guérin <libcg@protonmail.com> ---
Try doing an apitrace and post it here. Like this:

> WINEPREFIX=/path/to/prefix apitrace trace wine witcher3.exe

Then replaying the trace should hang your computer:

> apitrace replay wine64-preloader.trace

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #3 from Philipp Überbacher <murks@tuxfamily.org> ---
Do you have any suggestion on how to get this trace within reasonable time?

It usually just takes me a few seconds to trigger the bug. As it stands I get
about two frames per minute, which means it will take me hours to get the
trace.

I tried lowering resolution and all gfx settings as far as possible (I still
get the bug), but that helped only a little bit.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #4 from Philipp Überbacher <murks@tuxfamily.org> ---
I've tried this now for about 2 hours and have a 50 GB trace file. No freeze
though. I guess it was about 30 seconds of running around in in-game time,
which is usually enough to trigger the freeze.
I might have been unlucky or it might not happen in apitrace. Maybe someone
else has more luck.

I might try once more to install the amdgpu-pro drivers and see whether it
happens there as well.

I'm open to other suggestions.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #5 from Philipp Überbacher <murks@tuxfamily.org> ---
I've managed to install amdgpu-pro and that has brought me a bit closer to
narrowing this down. Just for reference, the software versions are amdgpu-pro
17.10.401251-2 and related packages
(https://aur.archlinux.org/packages/?O=0&K=amdgpu), mesa-noglvnd 17.1.4,
xorg-server 1.18.4-1.

With amdgpu-pro I could narrow the freeze down to a specific option in the
game: nvidia hairworks. With that option disabled I do not get the freeze. As
soon as it is enabled and a game loaded the machine freezes.

I've used this to get a apitrace quickly and I have one with just 1.1 GB.
However, replaying it does not produce the freeze. Maybe the actual freeze
trigger didn't make it into the file. I'll provide you the file if you tell me
how.
I do have a lot of warnings and errors on console when I replay that file (see
console_out).

Nvidia hairworks does not trigger the freeze with amdgpu, but it does so
immediately with amdgpu-pro. amdgpu triggers the freeze seemingly randomly, at
least in Velen, not in White Orchard. amdgpu-pro does not trigger the freeze in
Velen (unless hairworks is enabled of course).

Since both amdgpu and amdgpu-pro use mesa and the non-mesa proprietary nvidia
driver does not trigger this bug it is likely something in mesa. I hope the
above helps to track it down.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #6 from Philipp Überbacher <murks@tuxfamily.org> ---
Created attachment 132604
  --> https://bugs.freedesktop.org/attachment.cgi?id=132604&action=edit
console output when replaying the apitrace of a crash

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #7 from Shmerl <shtetldik@gmail.com> ---
I have the freeze with hairworks disabled all the same.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #8 from Shmerl <shtetldik@gmail.com> ---
(In reply to Philipp Überbacher from comment #5) 
> I've used this to get a apitrace quickly and I have one with just 1.1 GB.
> However, replaying it does not produce the freeze. Maybe the actual freeze
> trigger didn't make it into the file. I'll provide you the file if you tell
> me how.

You can try this service: https://uploadfiles.io

It's time limited though, but should be enough for 30 days.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #9 from Shmerl <shtetldik@gmail.com> ---
I noticed, when I set graphics settings to minimum, this freeze doesn't happen
(or at least didn't happen to me so far).

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #10 from Shmerl <shtetldik@gmail.com> ---
Created attachment 132626
  --> https://bugs.freedesktop.org/attachment.cgi?id=132626&action=edit
The Witcher 3 crash save (GOG/GOTY version).

With latest Mesa built from source, it now consistently crashes for me on Velen
checkpoint save, on max settings (hairworks disabled).

OpenGL renderer string: AMD Radeon RX 480 Graphics (AMD POLARIS10 / DRM 3.10.0
/ 4.11.0-1-amd64, LLVM 4.0.1)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.2.0-devel
(git-f7e78abdf4)

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #11 from Philipp Überbacher <murks@tuxfamily.org> ---
(In reply to Shmerl from comment #10)
> Created attachment 132626 [details]
> The Witcher 3 crash save (GOG/GOTY version).
> 
> With latest Mesa built from source, it now consistently crashes for me on
> Velen checkpoint save, on max settings (hairworks disabled).
> 
> OpenGL renderer string: AMD Radeon RX 480 Graphics (AMD POLARIS10 / DRM
> 3.10.0 / 4.11.0-1-amd64, LLVM 4.0.1)
> OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.2.0-devel
> (git-f7e78abdf4)

That's wonderfull (in a way). Maybe you can get an apitrace from that?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #12 from Shmerl <shtetldik@gmail.com> ---
May be I'm doing somethin wrong. I tried to record a trace (using Mesa built
from source which I load using a script).

I recorded a small amount - starting menu first, but when replaying it, I get
black screen and such:

2127496 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
target_msc = 0, divisor = 0, remainder = 0) = 1228
2127496: warning: unsupported glXSwapBuffersMscOML call
2128642 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
target_msc = 0, divisor = 0, remainder = 0) = 1229
2128642: warning: unsupported glXSwapBuffersMscOML call
2130677 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
target_msc = 0, divisor = 0, remainder = 0) = 1230
2130677: warning: unsupported glXSwapBuffersMscOML call
2131778 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
target_msc = 0, divisor = 0, remainder = 0) = 1231
2131778: warning: unsupported glXSwapBuffersMscOML call
2133839 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
target_msc = 0, divisor = 0, remainder = 0) = 1232
2133839: warning: unsupported glXSwapBuffersMscOML call
2136933 @3 glXCreateWindow(dpy = 0x7cb2f3b0, config = 0x7cc82380, win =
127926276, attribList = {}) = 121634992
2136933: warning: unsupported glXCreateWindow call
Rendered 0 frames in 6.86555 secs, average of 0 fps

So not sure if full trace would be useful until it will actually show anything.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #13 from Philipp Überbacher <murks@tuxfamily.org> ---
(In reply to Shmerl from comment #12)
> May be I'm doing somethin wrong. I tried to record a trace (using Mesa built
> from source which I load using a script).
> 
> I recorded a small amount - starting menu first, but when replaying it, I
> get black screen and such:
> 
> 2127496 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
> target_msc = 0, divisor = 0, remainder = 0) = 1228
> 2127496: warning: unsupported glXSwapBuffersMscOML call
> 2128642 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
> target_msc = 0, divisor = 0, remainder = 0) = 1229
> 2128642: warning: unsupported glXSwapBuffersMscOML call
> 2130677 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
> target_msc = 0, divisor = 0, remainder = 0) = 1230
> 2130677: warning: unsupported glXSwapBuffersMscOML call
> 2131778 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
> target_msc = 0, divisor = 0, remainder = 0) = 1231
> 2131778: warning: unsupported glXSwapBuffersMscOML call
> 2133839 @3 glXSwapBuffersMscOML(dpy = 0x7cb2f3b0, drawable = 121634929,
> target_msc = 0, divisor = 0, remainder = 0) = 1232
> 2133839: warning: unsupported glXSwapBuffersMscOML call
> 2136933 @3 glXCreateWindow(dpy = 0x7cb2f3b0, config = 0x7cc82380, win =
> 127926276, attribList = {}) = 121634992
> 2136933: warning: unsupported glXCreateWindow call
> Rendered 0 frames in 6.86555 secs, average of 0 fps
> 
> So not sure if full trace would be useful until it will actually show
> anything.

I've gotten the black screen in my replay-attempts too, but I guess that is
normal. Otherwise the replay would require all the textures and whatnot.
Does your replay trigger the freeze (mine did not)? Maybe you can upload the
trace?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #14 from Shmerl <shtetldik@gmail.com> ---
I didn't get to the freeze point in the replay, but I remember in the past,
when I recorded a trace and replayed it, it actually showed images (i.e. video
like). So I suppose something is wrong with my tracing. But I can record a
crash trace just in case anyway.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #15 from Shmerl <shtetldik@gmail.com> ---
Interestingly, when I record a trace, and it reaches the point where it's
supposed to freeze, it doesn't. I.e. the tracing somehow prevents it from
happening.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #16 from Philipp Überbacher <murks@tuxfamily.org> ---
I finally came around to uploading this trace (should be up for 30 days).
Remember that it was with amdgpu-pro and replaying did not cause the freeze. I
hope it helps anyway.

https://ufile.io/pb1m8

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #17 from Shmerl <shtetldik@gmail.com> ---
Just for the reference, the freeze doesn't happen to me anymore, in a newer
configuration.

See https://bugs.winehq.org/show_bug.cgi?id=43273#c12

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #18 from Shmerl <shtetldik@gmail.com> ---
Actually, I just experienced the freeze bug again. I guess it's somehow random,
and it's not truly gone :(

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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Shmerl <shtetldik@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|17.1                        |git

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #19 from lefl65@gmail.com <lefl65@gmail.com> ---
I can confirm this happens with radeonsi too

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #20 from Shmerl <shtetldik@gmail.com> ---
(In reply to Lennard from comment #19)
> I can confirm this happens with radeonsi too

Well, most previous reports were about radeonsi.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #21 from Lennard <lefl65@gmail.com> ---
Created attachment 133134
  --> https://bugs.freedesktop.org/attachment.cgi?id=133134&action=edit
dmesg when freeze almost happened

I was able to save my system by switching around TTYs somehow, checked dmesg
and got this.
Using an R7 260X with radeonsi

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #22 from Shmerl <shtetldik@gmail.com> ---
Did anyone try to reproduce this bug with AMD kernel that supports display code
(i.e. one with Vega support)?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #23 from Philipp Überbacher <murks@tuxfamily.org> ---
(In reply to Shmerl from comment #22)
> Did anyone try to reproduce this bug with AMD kernel that supports display
> code (i.e. one with Vega support)?

The latest kernel I tried this with is 4.12.3, does that qualify? (mesa 17.1.5,
xf86-video-amdgpu 1.3.0).

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #24 from Shmerl <shtetldik@gmail.com> ---
(In reply to Philipp Überbacher from comment #23)
>
> The latest kernel I tried this with is 4.12.3, does that qualify? (mesa
> 17.1.5, xf86-video-amdgpu 1.3.0).

Did you build it from here: https://cgit.freedesktop.org/~agd5f/linux/tree/ or
used some other method?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #25 from Shmerl <shtetldik@gmail.com> ---
Just tested it with stock Linux kernel 4.12.2 (from Debian experimental) and
latest Mesa 17.3.0-devel (git-293b3e0a3f). The freeze still happens.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #26 from Shmerl <shtetldik@gmail.com> ---
Is there anything else useful that can be done to help Mesa / kernel developers
to nail it down?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #27 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
An apitrace that reproduces the issue would be very useful.

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--- Comment #28 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #27)
> An apitrace that reproduces the issue would be very useful.

There is one example already from Philipp Überbacher above in the comments:
https://bugs.freedesktop.org/show_bug.cgi?id=101731#c16

I tried to record this with apitrace too, but strangely, the freeze doesn't
happen when it's recording. Somehow it prevents it by the fact of recording
itself.

I'll re-record it anyway, and will post here.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #29 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #27)
> An apitrace that reproduces the issue would be very useful.

See the trace here: https://ufile.io/i6czx

It's using Wine 2.14 with these patches: dark ground patch and:

ntdll-Grow_Virtual_Heap wined3d-buffer_create wined3d-sample_c_lz
wined3d-Copy_Resource_Typeless xaudio2-get_al_format

And commented out portion that checks for GLX_OML_sync_control (as per
recommendation from Józef Kucia in the wine bug, since apitrace chokes on
GLX_OML_sync_control).

However, while it freezes the system when the game is run on its own in the
above configuration, when it's being traced, the freeze doesn't happen.

Anyway, this will probably be of interest to find some issue in Mesa / amdgpu,
but otherwise, I figured out that the freeze is gone if Wine is built skipping
this patchset: wined3d-Copy_Resource_Typeless.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #30 from Shmerl <shtetldik@gmail.com> ---
Actually, even though the above freeze is gone if Wine is built right, there is
still freeze happening around Velen area (in Devil's Pit). Not sure if it's
related to the above, I'll try reproducing it, but above trace should at lest
give some idea, what to investigate in amdgpu / radeonsi already. Stuff
shouldn't just freeze the system.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #31 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #27)
> An apitrace that reproduces the issue would be very useful.

I uploaded another trace: https://ufile.io/9z5yc

It's a problematic area (Devil's Pit) which hangs the game even when the Velen
intro works. It doesn't hang when traced, but hangs quite reliably without it
when you just turn camera around. Also, due to very intensive load, it's hard
to record the trace - everything moves very slowly.

I compressed it with pixz, so you can decompress it faster as well (pixz -d).
It's compatible with regular xz if anything.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #32 from Shmerl <shtetldik@gmail.com> ---
The problem still happen with kernel 4.13:

penGL renderer string: AMD Radeon (TM) RX 480 Graphics (POLARIS10 / DRM 3.18.0
/ 4.13.0-rc5-amd64, LLVM 5.0.0)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.3.0-devel
(git-f24cf82d6d)

I'm using latest Wine master with needed patches.

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--- Comment #33 from Shmerl <shtetldik@gmail.com> ---
Created attachment 133707
  --> https://bugs.freedesktop.org/attachment.cgi?id=133707&action=edit
Save file near freeze area (Devil's Pit, Velen)

Just turn around a bit, especially looking at direction of the sun seems to
trigger the freeze.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #34 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #27)
> An apitrace that reproduces the issue would be very useful.

Hi Samuel. Any luck with reproducing or narrowing down this problem? The
uploaded trace is going to expire soon. Let me know if you need another one, or
anything else to help.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #35 from Pablo Estigarribia <pablodav@gmail.com> ---
Could it be related to dpm? 

In my case I was trying many combinations of mesa versions, libdrm and kernels,
but until many tests I have just changed dpm to high performance and no freeze
happended anymore. 
Then I disabled dpm and no freeze since weeks. 

My report: https://bugs.freedesktop.org/show_bug.cgi?id=101976

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #36 from Shmerl <shtetldik@gmail.com> ---
(In reply to Pablo Estigarribia from comment #35)
> Could it be related to dpm? 
> 
> In my case I was trying many combinations of mesa versions, libdrm and
> kernels, but until many tests I have just changed dpm to high performance
> and no freeze happended anymore. 


I tested your change, setting dpm to high. It didn't help, the freeze is still
happening, so it must be something else.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #37 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
(In reply to Shmerl from comment #34)
> (In reply to Samuel Pitoiset from comment #27)
> > An apitrace that reproduces the issue would be very useful.
> 
> Hi Samuel. Any luck with reproducing or narrowing down this problem? The
> uploaded trace is going to expire soon. Let me know if you need another one,
> or anything else to help.

No, I can't reproduce the issue with the trace on my system. I should probably
set up a wine install at some point.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #38 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #37)
> No, I can't reproduce the issue with the trace on my system. I should
> probably set up a wine install at some point.

Let me know if you need a GOG key for TW3. I've spoken to GOG Linux folks, and
they are willing to help Mesa developers with this.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #39 from Shmerl <shtetldik@gmail.com> ---
For the reference, I just tested it with Linux 4.13.0 using amdgpu display code
branch from AMD. Unfortunately the freeze still happens with it.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #40 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
How to load a save game file? Where are they stored?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #41 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #40)
> How to load a save game file? Where are they stored?

They should be in:

"${WINEPREFIX}/drive_c/users/$USER/My Documents/The Witcher 3/gamesaves"

I.e. it depends on what prefix you used.

Note that GOTY save file won't work with other versions, because of some minor
incompatibilities. Even Steam version with all expansions isn't the same as GOG
GOTY one. If you need the later, let me know. Linux GOG developers said they
can provide a key.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3

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--- Comment #42 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
What's your Steam AppID?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

Samuel Pitoiset <samuel.pitoiset@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|System freeze with AMDGPU   |System freeze with AMDGPU
                   |when playing The Witcher 3  |when playing The Witcher 3
                   |                            |(GOG GOTY)

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #43 from Lukas Jirkovsky <l.jirkovsky@gmail.com> ---
I'm having the same problem during the initial cutscene in Velen.

Here are some additional information:

* While the computer seems frozen, it's not frozen completely. I can still
connect over ssh and do stuff there as if nothing happened. Other services work
uninterrupted, too.

* Locally, only SysRq helps. Even after killing everything using Alt+SysRq+i
the computer doesn't react to anything apart from more SysRq shortcuts.

* dmesg doesn't contain anything useful

* Xorg.0.log doesn't contain anything useful either (on the wine bug there is a
mention about input devices being removed, but that doesn't appear here unless
forced using SysRq).

Happens with AMD RX 480 with mesa 17.2.0 and linux kernel 4.13.2

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #44 from Shmerl <shtetldik@gmail.com> ---
(In reply to Lukas Jirkovsky from comment #43)
> Here are some additional information:

Yes, I observed that as well. You can access the box over ssh, but it doens't
react to any local input. Also attempts to reboot it remotely hang (systemctl
reboot). And lack of any sensible info in the logs is just strange.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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--- Comment #45 from Jan Vesely <jan.vesely@rutgers.edu> ---
(In reply to Shmerl from comment #44)
> (In reply to Lukas Jirkovsky from comment #43)
> > Here are some additional information:
> 
> Yes, I observed that as well. You can access the box over ssh, but it
> doens't react to any local input. Also attempts to reboot it remotely hang
> (systemctl reboot). And lack of any sensible info in the logs is just
> strange.

sounds like hung GPU. afaik amdgpu.ko does not support GPU timeout/reset yet.
you can try reseting the GPU manually via 
/sys/class/drm/cardX/device/reset

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--- Comment #46 from Shmerl <shtetldik@gmail.com> ---
(In reply to Jan Vesely from comment #45)
> sounds like hung GPU. afaik amdgpu.ko does not support GPU timeout/reset yet.
> you can try reseting the GPU manually via 
> /sys/class/drm/cardX/device/reset

How exactly, by writing 1 there?

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--- Comment #47 from Lukas Jirkovsky <l.jirkovsky@gmail.com> ---
(In reply to Jan Vesely from comment #45)
> sounds like hung GPU. afaik amdgpu.ko does not support GPU timeout/reset yet.
> you can try reseting the GPU manually via 
> /sys/class/drm/cardX/device/reset

There's no such file on my system. There is a reset file for other PCI busses,
but not for the GPU.

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--- Comment #48 from Shmerl <shtetldik@gmail.com> ---
(In reply to Lukas Jirkovsky from comment #47)
> There's no such file on my system. There is a reset file for other PCI
> busses, but not for the GPU.

I don't have it either for RX 480 card.

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--- Comment #49 from Alex Deucher <alexdeucher@gmail.com> ---
You can force a reset by reading /sys/kernel/debug/dri/0/amdgpu_gpu_reset but
very few if any applications currently use the GL robustness extensions to
query if the context is lost and resubmit their state.

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--- Comment #50 from Shmerl <shtetldik@gmail.com> ---
(In reply to Alex Deucher from comment #49)
> You can force a reset by reading /sys/kernel/debug/dri/0/amdgpu_gpu_reset
> but very few if any applications currently use the GL robustness extensions
> to query if the context is lost and resubmit their state.

For a test, I tried doing

sudo cat /sys/kernel/debug/dri/1/amdgpu_gpu_reset

during normal desktop operation (in this setup it's card 1), and it just messes
up KDE / sddm and even restarting sddm it isn't enough after that (soft reboot
was enough).

Then I tested it after the The Witcher 3 freeze above (remotely, over ssh).
That caused complete hang, that even ssh stopped working. So that required hard
reboot.

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--- Comment #51 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Created attachment 134349
  --> https://bugs.freedesktop.org/attachment.cgi?id=134349&action=edit
special varying hack

Guys, can you apply the proposed special hacky patch and try to reproduce the
hang? It should, at least, partially "fix" the issue in the Velen area (cf the
savegame file).

To be sure the hack is enabled, please redirect stderr (wine witcher3.exe &>
log) and look for "*** The Witcher 3 SPECIAL HACK ENABLED ***".

If the game exits with "Aborted! TFB varyings not correctly set!", there is
something else, but I wouldn't be surprised as the patch is a huge hack just
used to demonstrate the issue. Please report anyways. Thanks!

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--- Comment #52 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #51)
> Guys, can you apply the proposed special hacky patch and try to reproduce
> the hang? It should, at least, partially "fix" the issue in the Velen area
> (cf the savegame file).
> 

I applied your hack patch, and here is the output I got (with my other settings
active):

ATTENTION: default value of option mesa_glthread overridden by environment.
*** The Witcher 3 SPECIAL HACK ENABLED ***
Aborted! TFB varyings not correctly set!
source->Id = 250
AL lib: (EE) alc_cleanup: 2 devices not closed

The game indeed aborts, rather than hangs there.

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--- Comment #53 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Okay, that's expected. Didn't you get some Mesa user errors as well?

But the fact that it no longer hangs is a good news, somehow. :)

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--- Comment #54 from Shmerl <shtetldik@gmail.com> ---
Created attachment 134355
  --> https://bugs.freedesktop.org/attachment.cgi?id=134355&action=edit
Hack patch debug run log

Run with MESA_DEBUG=true and Wine logging enabled.

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--- Comment #55 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Okay, the hack doesn't work for you, Mesa fails to link because the varying
name is not the same.

What version of wine are you using? FWIW, I'm building my local copy from
bb16263fe1974851f495435fef9a3d57fa2d4aa9 with all wine-staging patches applied
on top of that commit.

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--- Comment #56 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #55)
> Okay, the hack doesn't work for you, Mesa fails to link because the varying
> name is not the same.
> 
> What version of wine are you using? FWIW, I'm building my local copy from
> bb16263fe1974851f495435fef9a3d57fa2d4aa9 with all wine-staging patches
> applied on top of that commit.

Ah, I'm not using full staging, but regular Wine (relatively recent master
build) with minimal patchsets required to run the game (as described here:
https://appdb.winehq.org/objectManager.php?sClass=version&iId=34698#notes ).

Let me try it with full staging 2.17.

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--- Comment #57 from Shmerl <shtetldik@gmail.com> ---
Here is the run with Wine staging 2.17 (MESA_DEBUG set):

ATTENTION: default value of option mesa_glthread overridden by environment.
*** The Witcher 3 SPECIAL HACK ENABLED ***
Mesa: User error: GL_INVALID_OPERATION in glGetUniformLocation(program not
linked)
Mesa: 244 similar GL_INVALID_OPERATION errors
Mesa: User error: GL_INVALID_OPERATION in glUseProgram(program 662 not linked)
Mesa: 1 similar GL_INVALID_OPERATION errors
Mesa: User error: GL_INVALID_OPERATION in glBeginTransformFeedback(no varyings
to record)
Aborted! TFB varyings not correctly set!
source->Id = 250
AL lib: (EE) alc_cleanup: 2 devices not closed

It looks slightly different than before.

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--- Comment #58 from Shmerl <shtetldik@gmail.com> ---
I suppose I can also build Wine from that commit and apply all staging patches
including past 2.17.

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--- Comment #59 from Shmerl <shtetldik@gmail.com> ---
Actually, looks like 2.17 is the last one, so their official build should be
just that. It's based on commit bb16263fe1974851f495435fef9a3d57fa2d4aa9

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--- Comment #60 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Yeah, I built against the same commit and I'm able to reproduce the link-time
error.

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--- Comment #61 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Created attachment 134356
  --> https://bugs.freedesktop.org/attachment.cgi?id=134356&action=edit
updated special varying hack

What about this updated patch? (the previous has to be reverted).

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--- Comment #62 from Shmerl <shtetldik@gmail.com> ---
I'll give a try. May be game settings affect what's going on too. For the
reference, I set all to max, except hairworks off. Ambient occlusion: HBAO+.

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Samuel Pitoiset <samuel.pitoiset@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dark.shadow4@web.de

--- Comment #63 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
*** Bug 102797 has been marked as a duplicate of this bug. ***

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--- Comment #64 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
See the attached trace from
https://bugs.freedesktop.org/show_bug.cgi?id=102797, it reproduces the same
issue.

So, basically the issue is that wine fails to set the transform feedback
varyings in some situations, this explains why the following message is
reported "fixme:d3d_shader:shader_glsl_generate_transform_feedback_varyings
Unsupported component range 2-2.". Then, the GPU will hang later on because it
will read garbage from a TFB buffer.

About TW3, I think that game uses TFB in some scenarios, I don't know why and
when, maybe it's based on some occlusion queries or some time constraints?
Either way, this might explain why TFB is not used when tracing with apitrace
or when using "GALLIUM_DDEBUG=800" which will flush and wait 800ms after every
draw call.

The attached patches should workaround both issues (TW3 and Superposition), but
wine has to be fixed here.

Please, let the bug open until it's really fixed.

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--- Comment #65 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #61)
> Created attachment 134356 [details] [review]
> updated special varying hack
> 
> What about this updated patch? (the previous has to be reverted).

Great! I can confirm, this patch helps both full staging, and regular + minimal
patches Wine. Thanks! I'll point Wine developers to this.

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--- Comment #66 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #64)
> 
> The attached patches should workaround both issues (TW3 and Superposition),
> but wine has to be fixed here.
> 
> Please, let the bug open until it's really fixed.

While Wine does something incorrect here, shouldn't amdgpu/radeonsi still
handle such kind of issues more gracefully? I.e. while Wine should be fixed, I
think Mesa shouldn't cause a system freeze when that happens. Can your patch
approach be generally useful for Mesa to make it more resilient, or some other
solution would be needed?

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--- Comment #67 from Lukas Jirkovsky <l.jirkovsky@gmail.com> ---
I can confirm that it works fine here after applying the hack, too.

Anyway, I'm with Shmerl here. In my opinion a user process should never be able
to make system unusable no matter what kind of stupid stuff it does. I'm fine
with the application crashing or behaving incorrectly - it's that applications
fault after all. Just don't take the system with it.

Also, great work, thank you!

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--- Comment #68 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
Thanks for confirming that the hack actually works.

Yeah, it would be better to not hang in such situation but that's complicated.
Though, you can try to boot with amdgpu.lockup_timeout=3000 (ie. wait 3s) to
recover the state when a lockup is detected, it might work.

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--- Comment #69 from aidan@jmad.org ---
(In reply to Samuel Pitoiset from comment #61)
> Created attachment 134356 [details] [review]
> updated special varying hack
> 
> What about this updated patch? (the previous has to be reverted).

What commit should this patch be applied to?  It fails when applying to mesa
17.2.1:

patching file src/mesa/main/transformfeedback.c
Hunk #1 succeeded at 421 with fuzz 1 (offset 14 lines).
Hunk #2 succeeded at 1117 with fuzz 2 (offset 256 lines).
Hunk #3 FAILED at 870.
Hunk #4 FAILED at 879.
2 out of 4 hunks FAILED -- saving rejects to file
src/mesa/main/transformfeedback.c.rej

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--- Comment #70 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
(In reply to aidan from comment #69)
> (In reply to Samuel Pitoiset from comment #61)
> > Created attachment 134356 [details] [review] [review]
> > updated special varying hack
> > 
> > What about this updated patch? (the previous has to be reverted).
> 
> What commit should this patch be applied to?  It fails when applying to mesa
> 17.2.1:

Against git master.

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--- Comment #71 from Lukas Jirkovsky <l.jirkovsky@gmail.com> ---
Created attachment 134411
  --> https://bugs.freedesktop.org/attachment.cgi?id=134411&action=edit
special varying hack backport 17.2.1

Backported the patch to apply on 17.2.1

aidan: you can use this patch.

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--- Comment #72 from Shmerl <shtetldik@gmail.com> ---
(In reply to Samuel Pitoiset from comment #68)
> Thanks for confirming that the hack actually works.
> 
> Yeah, it would be better to not hang in such situation but that's
> complicated.

Would that require changes to the kernel driver?

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #73 from Shmerl <shtetldik@gmail.com> ---
Józef Kucia made a hack patch for Wine to prevent the freeze:
https://bugs.winehq.org/show_bug.cgi?id=43273#c43

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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--- Comment #74 from mirh <mirh@protonmail.ch> ---
Wine's role should just be that of avoiding their.. stuff, to misbehave. 

But as for the freeze itself, I'd be expecting a bug in amdgpu, if the user
level bug was *allowed* to escalate to kernel one.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

--- Comment #75 from Shmerl <shtetldik@gmail.com> ---
I made a variant of this hack for Wine itself:
https://bugs.winehq.org/attachment.cgi?id=59387

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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--- Comment #76 from Shmerl <shtetldik@gmail.com> ---
Unlike the previous one, it's minimal and doesn't conflict with various staging
patches that are also useful for TW3.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

Józef Kucia <joseph.kucia@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.winehq.org/sho
                   |                            |w_bug.cgi?id=43273

--- Comment #77 from Józef Kucia <joseph.kucia@gmail.com> ---
This bug should be fixed now in Wine main git tree. The fix will be included in
the next development release.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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https://bugs.freedesktop.org/show_bug.cgi?id=101731

Józef Kucia <joseph.kucia@gmail.com> changed:

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

--- Comment #78 from Józef Kucia <joseph.kucia@gmail.com> ---
Fixed in Wine 2.21

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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--- Comment #79 from Fabian Maurer <dark.shadow4@web.de> ---
Nice to hear the bug is fixed in wine, but the mesa bug still exists, so the
resolution is wrong. It's simply not acceptable for a driver to freeze the
system if an application misbehaves.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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mirh <mirh@protonmail.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|NOTOURBUG                   |---

--- Comment #80 from mirh <mirh@protonmail.ch> ---
I also agree with Fabian. 
Application going crazy with its own business is totally not a "problem of the
driver".. 
But compromising system stability definitively is.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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--- Comment #81 from Józef Kucia <joseph.kucia@gmail.com> ---
(In reply to mirh from comment #80)
> I also agree with Fabian. 
> Application going crazy with its own business is totally not a "problem of
> the driver".. 
> But compromising system stability definitively is.
If you want to make this bug about unreliable/unimplemented GPU resets in
amdgpu.ko, then it is filed against the wrong component. AFAIK there is nothing
to fix in Mesa. Other than that, the bug is full of comments about the source
of GPU hang. It may be better to file a new bug for implementing/fixing GPU
resets in amdgpu.

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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mirh <mirh@protonmail.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |NOTOURBUG

--- Comment #82 from mirh <mirh@protonmail.ch> ---
Guess it make sense. 
A thread per "actual issue to fix". 

Even though, it should take nothing to just change component from mesa to DRI
:p

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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--- Comment #83 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
I do agree with Jozef, it's really a different issue that the one initially
filled here. Thanks again for fixing this!

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[Bug 101731] System freeze with AMDGPU when playing The Witcher 3 (GOG GOTY)

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Christian König <ckoenig.leichtzumerken@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #84 from Christian König <ckoenig.leichtzumerken@gmail.com> ---
Guys please keep in mind that GPUs are programmable processors.

So when an application sends an shader with an infinity loop to the driver
there is absolutely nothing the driver Mesa stack can do about that.

As Jozef correctly pointed out the best thing we can do is resetting the GPU
after a timeout, but that is really complex and doesn't work all the time.

Anyway closing this bug since the original issue is fixed.

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--- Comment #85 from Dmitry <terapy-session@bk.ru> ---
This problem is still there on the new Mesa 18.3.1. On AMDLK there is no such
problem, but I would not like to use it.

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--- Comment #86 from Shmerl <shtetldik@gmail.com> ---
(In reply to Dmitry from comment #85)
> This problem is still there on the new Mesa 18.3.1. On AMDLK there is no
> such problem, but I would not like to use it.

This bug was about radeonsi, not about Vulkan drivers.

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