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

[bugzilla-daemon at freedesktop.org]

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

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

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

--- Comment #4 from Marta Löfstedt <marta.lofstedt at intel.com> ---
(In reply to Chris Wilson from comment #3)
> Test removed in
> 
> commit 22fdae38cbad3794a315bfd8d9fd833eba4a35dc
> Author: Chris Wilson <chris at 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 at 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 at prime_mmap_coherency@write for GLK-shards on this bug.
The currently latest occurrence of igt at 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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