[Bug 103168] [CI] igt@prime_mmap_coherency@write-and-fail - fai - Failed assertion: !(!stale)

[Bug 103168] [CI] igt@prime_mmap_coherency@write-and-fail - fai - Failed assertion: !(!stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Chris Wilson <chris@chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|DRM/Intel                   |IGT
         QA Contact|intel-gfx-bugs@lists.freede |
                   |sktop.org                   |
           Assignee|intel-gfx-bugs@lists.freede |dri-devel@lists.freedesktop
                   |sktop.org                   |.org

--- Comment #1 from Chris Wilson <chris@chris-wilson.co.uk> ---
Just a silliness in the test to assume it was able to hit the cache coherency
issue.

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[Bug 103168] [CI] igt@prime_mmap_coherency@write-and-fail - fai - Failed assertion: !(!stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|dri-devel@lists.freedesktop |intel-gfx-bugs@lists.freede
                   |.org                        |sktop.org
         QA Contact|                            |intel-gfx-bugs@lists.freede
                   |                            |sktop.org
          Component|IGT                         |DRM/Intel
      i915 platform|APL                         |BXT

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[Bug 103168] [CI] igt@prime_mmap_coherency@write-and-fail - fai - Failed assertion: !(!stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|DRM/Intel                   |IGT
           Assignee|intel-gfx-bugs@lists.freede |dri-devel@lists.freedesktop
                   |sktop.org                   |.org
         QA Contact|intel-gfx-bugs@lists.freede |
                   |sktop.org                   |

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[Bug 103168] [CI] igt@prime_mmap_coherency@[write-and-fail|write] - fai - Failed assertion: !(!stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Marta Löfstedt <marta.lofstedt@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[CI]                        |[CI]
                   |igt@prime_mmap_coherency@wr |igt@prime_mmap_coherency@[w
                   |ite-and-fail - fai - Failed |rite-and-fail|write] - fai
                   |assertion: !(!stale)        |- Failed assertion:
                   |                            |!(!stale)

--- Comment #2 from Marta Löfstedt <marta.lofstedt@intel.com> ---
Also, GLK-shards fail on igt@prime_mmap_coherency@write

(prime_mmap_coherency:1627) CRITICAL: Test assertion failure function main,
file prime_mmap_coherency.c:302:
(prime_mmap_coherency:1627) CRITICAL: Failed assertion: !(stale)
(prime_mmap_coherency:1627) CRITICAL: num of stale cache lines 304
Subtest write failed.
**** DEBUG ****
(prime_mmap_coherency:1627) DEBUG: Test requirement passed: !(errno == EINVAL)

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3255/shard-glkb4/igt@prime_mmap_coherency@write.html

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[Bug 103168] [CI] igt@prime_mmap_coherency@[write-and-fail|write] - fai - Failed assertion: !(!stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Chris Wilson <chris@chris-wilson.co.uk> changed:

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

--- Comment #3 from Chris Wilson <chris@chris-wilson.co.uk> ---
Test removed in

commit 22fdae38cbad3794a315bfd8d9fd833eba4a35dc
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Wed Oct 11 10:51:22 2017 +0100

    igt/prime_mmap_coherency: Only assert correct usage of sync API

    Ignore the unexpected success when the CPU cache is randomly flushed
    that makes !llc appear to work without sync. It happens, the cpu cache
    is a fickle beast that we do not have sole control over. Instead limit
    the test to detect failures when the API is being adhered to.

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[Bug 103168] [CI] igt@prime_mmap_coherency@write - fail - Failed assertion: !(stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Marta Löfstedt <marta.lofstedt@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED
            Summary|[CI]                        |[CI]
                   |igt@prime_mmap_coherency@[w |igt@prime_mmap_coherency@wr
                   |rite-and-fail|write] - fai  |ite - fail - Failed
                   |- Failed assertion:         |assertion: !(stale)
                   |!(!stale)                   |

--- Comment #4 from Marta Löfstedt <marta.lofstedt@intel.com> ---
(In reply to Chris Wilson from comment #3)
> Test removed in
> 
> commit 22fdae38cbad3794a315bfd8d9fd833eba4a35dc
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date:   Wed Oct 11 10:51:22 2017 +0100
> 
>     igt/prime_mmap_coherency: Only assert correct usage of sync API
>     
>     Ignore the unexpected success when the CPU cache is randomly flushed
>     that makes !llc appear to work without sync. It happens, the cpu cache
>     is a fickle beast that we do not have sole control over. Instead limit
>     the test to detect failures when the API is being adhered to.
>
I agree that:
igt@prime_mmap_coherency@write-and-fail
is skipped from CI_DRM_3254 on APL-shards. However, before I realized this I
had already filed igt@prime_mmap_coherency@write for GLK-shards on this bug.
The currently latest occurrence of igt@prime_mmap_coherency@write issue is on:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3256/shard-glkb3/igt@prime_mmap_coherency@write.html
which is after the patch was merged.

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[Bug 103168] [CI] igt@prime_mmap_coherency@write - fail - Failed assertion: !(stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Marta Löfstedt <marta.lofstedt@intel.com> changed:

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

--- Comment #5 from Marta Löfstedt <marta.lofstedt@intel.com> ---
last seen CI_DRM_3320: 2017-11-08 / 189 runs ago I will close and archive

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[Bug 103168] [CI] igt@prime_mmap_coherency@write - fail - Failed assertion: !(stale)

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https://bugs.freedesktop.org/show_bug.cgi?id=103168

Marta Löfstedt <marta.lofstedt@intel.com> changed:

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

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