[Bug 204345] New: Unigine Superposition benchmark notoriously unstable since 5.1.18 (and possibly before)

[Bug 204345] New: Unigine Superposition benchmark notoriously unstable since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

            Bug ID: 204345
           Summary: Unigine Superposition benchmark notoriously unstable
                    since 5.1.18 (and possibly before)
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.1.18
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: edisonalvaringo@bol.com.br
        Regression: No

At first glance I though it was an Overclocking problem because I oc my
hardware just slightly. But no even with no OCing, zero, nada... since 5.1.18
Unigine benchmark crashes. It is really unstable 90% of the times it will crash
when it's about to display the final results, on 5.1.20 is even worse and it
gets crazy because fps drop really hard. If you are really luck it will finish.
I have tried 5.1.18/19 and 20. 5.0.20 doesn't not have this bug. I will try to
investigate further to at least know which is the precise point release when
this bug was introduced.

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[Bug 204345] Unigine Superposition benchmark notoriously unstable since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

--- Comment #1 from Joaquin Otsoa (edisonalvaringo@bol.com.br) ---
This is with Linux Mint (Ubuntu 18.04.2 LTS really) I forgot to mention that
this is with the liquorix kernel, maybe I should try with vanilla kernel first.

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[Bug 204345] Unigine Superposition benchmark notoriously unstable since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

--- Comment #2 from Joaquin Otsoa (edisonalvaringo@bol.com.br) ---
With ubuntu ppa vanilla kernel this happens as well.

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[Bug 204345] Unigine Superposition benchmark notoriously unstable since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

--- Comment #3 from Joaquin Otsoa (edisonalvaringo@bol.com.br) ---
I should be more precise it doesn't crash really it hard locks the pc
completely only the reset button will fix the problem.

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[Bug 204345] Unigine Superposition benchmark notoriously unstable since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

--- Comment #4 from Joaquin Otsoa (edisonalvaringo@bol.com.br) ---
interesting, kernel 5.2.3 doesn't hard lock the PC, but fps drop, abnormally
(like with 5.1.20) but when looking at the final results, it's not that bad,
about 5% performance hit.

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[Bug 204345] Unigine Superposition hard lock the PC since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

Joaquin Otsoa (edisonalvaringo@bol.com.br) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Unigine Superposition       |Unigine Superposition hard
                   |benchmark notoriously       |lock the PC since 5.1.18
                   |unstable since 5.1.18 (and  |(and possibly before)
                   |possibly before)            |

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[Bug 204345] Unigine Superposition hard locks the PC since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

Joaquin Otsoa (edisonalvaringo@bol.com.br) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Unigine Superposition hard  |Unigine Superposition hard
                   |lock the PC since 5.1.18    |locks the PC since 5.1.18
                   |(and possibly before)       |(and possibly before)

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[Bug 204345] Unigine Superposition hard locks the PC since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

Joaquin Otsoa (edisonalvaringo@bol.com.br) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|5.1.18                      |5.1.20

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[Bug 204345] Unigine Superposition hard locks the PC since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

--- Comment #5 from Joaquin Otsoa (edisonalvaringo@bol.com.br) ---
unfortunately the bug was introduced in 5.1.0 so this is going to take
thousands of commits, I'll do my best.

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[Bug 204345] Unigine Superposition hard locks the PC since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

--- Comment #6 from Joaquin Otsoa (edisonalvaringo@bol.com.br) ---
it doesn't happen with 4.19.61 lts. I think it will be easier to check all the
5.1 rc and check when this was introduced.

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[Bug 204345] Unigine Superposition hard locks the PC since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

--- Comment #7 from Jani Nikula (jani.nikula@intel.com) ---
What hardware?

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[Bug 204345] Unigine Superposition hard locks the PC since 5.1.18 (and possibly before)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=204345

Joaquin Otsoa (edisonalvaringo@bol.com.br) changed:

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

--- Comment #8 from Joaquin Otsoa (edisonalvaringo@bol.com.br) ---
I'm gonna close this because the regression on the 5.2 are fixed now performs
even better than the 5.1 branch. And fixing the 5.1 branch makes no sense
because it has reached EOL.

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