[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

            Bug ID: 97039
           Summary: The Talos Principle and Serious Sam 3 GPU faults
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: smoki00790@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

One more regression i forgot to fill bug about so to mention are GPU faults
with The Talos Principle or Serious Sam 3... produce a lot of these right upon
starting a game and continue...

[  823.723639] radeon 0000:00:01.0: GPU fault detected: 146 0x0006200c
[  823.723649] radeon 0000:00:01.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00000000
[  823.723652] radeon 0000:00:01.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0602000C

 Mesa bisect goes to 860b658b97f859ee7d0dd076a8ac0332601ffa65

 radeonsi: move clip plane constant buffer to RW buffers

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

Vedran Miletić <vedran@miletic.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vedran@miletic.net

--- Comment #1 from Vedran Miletić <vedran@miletic.net> ---
Which GPU? Don't remember seeing those on Tonga.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #2 from smoki <smoki00790@gmail.com> ---

 Test is on Kabini APU (i have Bonaire and Kaveri so i might test that too),
but someone on irc already mentioned it happens with amdgpu on Bonaire... so
yup if it does not happen with Tonga it might be CIK related.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #3 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Created attachment 125277
  --> https://bugs.freedesktop.org/attachment.cgi?id=125277&action=edit
Likely fix - RW_BUFFERS pointer is not written for LS stage

Could you please try whether the attached patch fixes the problem for you?

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #4 from smoki <smoki00790@gmail.com> ---

 No, still the same faults happens.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

smoki <smoki00790@gmail.com> changed:

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

--- Comment #5 from smoki <smoki00790@gmail.com> ---
 This works before 860b658b97f859ee7d0dd076a8ac0332601ffa65

 So fixed.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #6 from Nicolai Hähnle <nhaehnle@gmail.com> ---
I'm confused. You first wrote that 860b658b97f859ee7d0dd076a8ac0332601ffa65 is
the commit which started the faults. Which one is it? Is Mesa master okay?

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #7 from smoki <smoki00790@gmail.com> ---

 Why i closed this, have not idea... please ignore Comment 4

 Yes Nicolai, bug is still there with current git of mesa and llvm.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

smoki <smoki00790@gmail.com> changed:

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

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

Jan Ziak <0xe2.0x9a.0x9b@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |0xe2.0x9a.0x9b@gmail.com

--- Comment #8 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to smoki from comment #2)
>  Test is on Kabini APU (i have Bonaire and Kaveri so i might test that too),
> but someone on irc already mentioned it happens with amdgpu on Bonaire... so
> yup if it does not happen with Tonga it might be CIK related.

I have Kaveri iGPU and Talos Principle. I can try to run Talos Principle on
Kaveri later this day (machine needs to be rebooted to enable the iGPU).

Were you able to reproduce the issue on your Kaveri iGPU, or is it just
reproducible on Kabini?

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #9 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Jan Ziak from comment #8)
> (In reply to smoki from comment #2)
> >  Test is on Kabini APU (i have Bonaire and Kaveri so i might test that too),
> > but someone on irc already mentioned it happens with amdgpu on Bonaire... so
> > yup if it does not happen with Tonga it might be CIK related.
> 
> I have Kaveri iGPU and Talos Principle. I can try to run Talos Principle on
> Kaveri later this day (machine needs to be rebooted to enable the iGPU).
> 
> Were you able to reproduce the issue on your Kaveri iGPU, or is it just
> reproducible on Kabini?

"Talos Principle [publicbeta]" runs fine on my machine's Kaveri iGPU

Mesa 12.1.0-devel (git-e988999)
Linux 4.8.0-rc2, amdgpu.ko

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #10 from smoki <smoki00790@gmail.com> ---

 Hmmm, do you have any GPU faults with it? Check dmesg.

 As this is what is this bug about, those two games runs but introduce constant
GPU faults.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #11 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to smoki from comment #10)
>  Hmmm, do you have any GPU faults with it? Check dmesg.
> 
> As this is what is this bug about, those two games runs but introduce
> constant GPU faults.

You are right:

[18409.862642] VM fault (0x02, vmid 5) at page 0, read from 'TC4' (0x54433400)
(136)
[18409.917406] amdgpu 0000:01:00.0: GPU fault detected: 147 0x000a8802
[18409.917409] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00000000
[18409.917410] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0A088002

The GPU is R9 390.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #12 from smoki <smoki00790@gmail.com> ---

 Exactly, i have those faults with Kabini, Kaveri and Bonaire using radeon. And
you have it with Kaveri and Hawaii (Grenada) using amdgpu.

 So for now reported only GCN 1.1 is affected by this and regardless of kernel
driver used.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #13 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
Created attachment 125846
  --> https://bugs.freedesktop.org/attachment.cgi?id=125846&action=edit
apitrace

The last glDrawArrays in the trace prints a VM fault to dmesg.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #14 from Marek Olšák <maraeo@gmail.com> ---
Thanks. I know where the problem is and I'm working on it.

Just FYI, the VM fault is completely harmless.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #15 from smoki <smoki00790@gmail.com> ---

 It is not harmless, as lower end machine is (APU) then you even lost sort of
20% with these constant non harmeless messAgess on top of already low perf.

 Also i obesrved one random GPU lockup if continue playing Serious Sam 3 with
it, but let just say that is separate issue for now.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #16 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to smoki from comment #15)
>  It is not harmless, as lower end machine is (APU) then you even lost sort
> of 20% with these constant non harmless messages on top of already low
> perf.

Of course, I (and probably also you) will do a performance measurement after
Marek's patch is available.

(There is lot of work to be done in Mesa to make it perform generally better
and approach Nvidia Linux performance. Considering the amount of work required
I do not expect it to materialize this year.)

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

--- Comment #17 from smoki <smoki00790@gmail.com> ---

 I already do measurement month ago, when i bisected this.

 I would like to have 2core Temash APU to show even bigger issue that is i
think highly recommended for perf measurements, but Kabini is slowest i have :D
If i don't care i wouldn't be here, otherwise i would run Pascal Titan X with
blob and be as ignorant as i can.

 But no i am not, not me. Here i actually don't pretend or push on higher perf
at all, but opposite - just things to not regress this much... so it is small
regression testing contribution from me.

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[Bug 97039] The Talos Principle and Serious Sam 3 GPU faults

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https://bugs.freedesktop.org/show_bug.cgi?id=97039

Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #18 from Marek Olšák <maraeo@gmail.com> ---
Fixed by 2c13abb49137d0f81b530b3c67f1ed79c58c796e. Closing.

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