[PATCH i-g-t] i915/gem_map_gtt: Escape from slow forked GTT access

[PATCH i-g-t] i915/gem_map_gtt: Escape from slow forked GTT access

[Chris Wilson]

Beware the slithy t'oves.

Forked GTT access on icl is notoriously slow, so rather than spend an
eternity checking the whole object, check for a completion event after
handling the pagefault. It's is the race of the pagefault vs reset that
we care most about, and we expect the bug to result in the pagefault
being blocked indefinitely, so checking afterwards does not reduce
coverage.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 tests/i915/gem_mmap_gtt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c
index 0428a1372..91da5a37b 100644
--- a/tests/i915/gem_mmap_gtt.c
+++ b/tests/i915/gem_mmap_gtt.c
@@ -602,6 +602,9 @@ test_hang(int fd)
 
 				gtt[0][x] = patterns[next_pattern];
 				gtt[1][x] = patterns[next_pattern];
+
+				if (READ_ONCE(control->done))
+					break;
 			}
 
 			last_pattern = next_pattern;
-- 
2.23.0

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Re: [PATCH i-g-t] i915/gem_map_gtt: Escape from slow forked GTT access

[Mika Kuoppala]

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

> Beware the slithy t'oves.
>
> Forked GTT access on icl is notoriously slow, so rather than spend an
> eternity checking the whole object, check for a completion event after
> handling the pagefault. It's is the race of the pagefault vs reset that
> we care most about, and we expect the bug to result in the pagefault
> being blocked indefinitely, so checking afterwards does not reduce
> coverage.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> ---
>  tests/i915/gem_mmap_gtt.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c
> index 0428a1372..91da5a37b 100644
> --- a/tests/i915/gem_mmap_gtt.c
> +++ b/tests/i915/gem_mmap_gtt.c
> @@ -602,6 +602,9 @@ test_hang(int fd)
>  
>  				gtt[0][x] = patterns[next_pattern];
>  				gtt[1][x] = patterns[next_pattern];
> +
> +				if (READ_ONCE(control->done))
> +					break;

The hang would have manifested itself on a previous loop
already.

So you could life the exit condition before the writes.
-Mika

>  			}
>  
>  			last_pattern = next_pattern;
> -- 
> 2.23.0
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Re: [PATCH i-g-t] i915/gem_map_gtt: Escape from slow forked GTT access

[Chris Wilson]

Quoting Mika Kuoppala (2019-09-24 13:44:54)
> Chris Wilson <chris@chris-wilson.co.uk> writes:
> 
> > Beware the slithy t'oves.
> >
> > Forked GTT access on icl is notoriously slow, so rather than spend an
> > eternity checking the whole object, check for a completion event after
> > handling the pagefault. It's is the race of the pagefault vs reset that
> > we care most about, and we expect the bug to result in the pagefault
> > being blocked indefinitely, so checking afterwards does not reduce
> > coverage.
> >
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> > ---
> >  tests/i915/gem_mmap_gtt.c | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c
> > index 0428a1372..91da5a37b 100644
> > --- a/tests/i915/gem_mmap_gtt.c
> > +++ b/tests/i915/gem_mmap_gtt.c
> > @@ -602,6 +602,9 @@ test_hang(int fd)
> >  
> >                               gtt[0][x] = patterns[next_pattern];
> >                               gtt[1][x] = patterns[next_pattern];
> > +
> > +                             if (READ_ONCE(control->done))
> > +                                     break;
> 
> The hang would have manifested itself on a previous loop
> already.
> 
> So you could life the exit condition before the writes.

The writes may also cause a fresh fault. The idea was to simply check
more frequently than once per object -- so long as we check within 2s of
the termination request, we are good.
-Chris
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✓ Fi.CI.BAT: success for i915/gem_map_gtt: Escape from slow forked GTT access

[Patchwork]

== Series Details ==

Series: i915/gem_map_gtt: Escape from slow forked GTT access
URL   : https://patchwork.freedesktop.org/series/67161/
State : success

== Summary ==

CI Bug Log - changes from IGT_5201 -> IGTPW_3495
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/67161/revisions/1/mbox/

Known issues
------------

  Here are the changes found in IGTPW_3495 that come from known issues:

### IGT changes ###

#### Possible fixes ####

  * igt@i915_selftest@live_hangcheck:
    - {fi-icl-dsi}:       [INCOMPLETE][1] ([fdo#107713] / [fdo#108569]) -> [PASS][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/fi-icl-dsi/igt@i915_selftest@live_hangcheck.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/fi-icl-dsi/igt@i915_selftest@live_hangcheck.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#107713]: https://bugs.freedesktop.org/show_bug.cgi?id=107713
  [fdo#108569]: https://bugs.freedesktop.org/show_bug.cgi?id=108569


Participating hosts (52 -> 45)
------------------------------

  Missing    (7): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-icl-y fi-byt-clapper fi-bdw-samus 


Build changes
-------------

  * CI: CI-20190529 -> None
  * IGT: IGT_5201 -> IGTPW_3495

  CI-20190529: 20190529
  CI_DRM_6947: 567ef14d043c8fd9d9d948dac219c68216fda305 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_3495: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/
  IGT_5201: 3c1633abec14679300d52eeaf9fb7b63e435e51e @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/
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Re: [PATCH i-g-t] i915/gem_map_gtt: Escape from slow forked GTT access

[Mika Kuoppala]

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

> Beware the slithy t'oves.
>
> Forked GTT access on icl is notoriously slow, so rather than spend an
> eternity checking the whole object, check for a completion event after
> handling the pagefault. It's is the race of the pagefault vs reset that
> we care most about, and we expect the bug to result in the pagefault
> being blocked indefinitely, so checking afterwards does not reduce
> coverage.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>

Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>

> ---
>  tests/i915/gem_mmap_gtt.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c
> index 0428a1372..91da5a37b 100644
> --- a/tests/i915/gem_mmap_gtt.c
> +++ b/tests/i915/gem_mmap_gtt.c
> @@ -602,6 +602,9 @@ test_hang(int fd)
>  
>  				gtt[0][x] = patterns[next_pattern];
>  				gtt[1][x] = patterns[next_pattern];
> +
> +				if (READ_ONCE(control->done))
> +					break;
>  			}
>  
>  			last_pattern = next_pattern;
> -- 
> 2.23.0
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✓ Fi.CI.IGT: success for i915/gem_map_gtt: Escape from slow forked GTT access

[Patchwork]

== Series Details ==

Series: i915/gem_map_gtt: Escape from slow forked GTT access
URL   : https://patchwork.freedesktop.org/series/67161/
State : success

== Summary ==

CI Bug Log - changes from IGT_5201_full -> IGTPW_3495_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/67161/revisions/1/mbox/

Known issues
------------

  Here are the changes found in IGTPW_3495_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_exec_schedule@independent-bsd1:
    - shard-iclb:         [PASS][1] -> [SKIP][2] ([fdo#109276]) +8 similar issues
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb4/igt@gem_exec_schedule@independent-bsd1.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb8/igt@gem_exec_schedule@independent-bsd1.html

  * igt@gem_exec_schedule@preempt-other-chain-bsd:
    - shard-iclb:         [PASS][3] -> [SKIP][4] ([fdo#111325]) +3 similar issues
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb5/igt@gem_exec_schedule@preempt-other-chain-bsd.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb4/igt@gem_exec_schedule@preempt-other-chain-bsd.html

  * igt@gem_workarounds@suspend-resume:
    - shard-apl:          [PASS][5] -> [DMESG-WARN][6] ([fdo#108566]) +9 similar issues
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-apl3/igt@gem_workarounds@suspend-resume.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-apl7/igt@gem_workarounds@suspend-resume.html

  * igt@kms_cursor_legacy@2x-long-cursor-vs-flip-legacy:
    - shard-hsw:          [PASS][7] -> [FAIL][8] ([fdo#105767])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-hsw7/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-legacy.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-hsw1/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-legacy.html

  * igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions:
    - shard-apl:          [PASS][9] -> [INCOMPLETE][10] ([fdo#103927])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-apl7/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-apl4/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html

  * igt@kms_flip@flip-vs-suspend-interruptible:
    - shard-kbl:          [PASS][11] -> [INCOMPLETE][12] ([fdo#103665]) +1 similar issue
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-kbl6/igt@kms_flip@flip-vs-suspend-interruptible.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-kbl1/igt@kms_flip@flip-vs-suspend-interruptible.html
    - shard-hsw:          [PASS][13] -> [INCOMPLETE][14] ([fdo#103540])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-hsw8/igt@kms_flip@flip-vs-suspend-interruptible.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-hsw4/igt@kms_flip@flip-vs-suspend-interruptible.html

  * igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-shrfb-draw-pwrite:
    - shard-glk:          [PASS][15] -> [FAIL][16] ([fdo#103167])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-glk6/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-shrfb-draw-pwrite.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-glk9/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-shrfb-draw-pwrite.html

  * igt@kms_frontbuffer_tracking@fbc-rgb565-draw-blt:
    - shard-iclb:         [PASS][17] -> [INCOMPLETE][18] ([fdo#107713])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb6/igt@kms_frontbuffer_tracking@fbc-rgb565-draw-blt.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb7/igt@kms_frontbuffer_tracking@fbc-rgb565-draw-blt.html

  * igt@kms_frontbuffer_tracking@fbc-stridechange:
    - shard-iclb:         [PASS][19] -> [FAIL][20] ([fdo#103167]) +4 similar issues
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb5/igt@kms_frontbuffer_tracking@fbc-stridechange.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb4/igt@kms_frontbuffer_tracking@fbc-stridechange.html

  * igt@kms_plane_lowres@pipe-a-tiling-x:
    - shard-iclb:         [PASS][21] -> [FAIL][22] ([fdo#103166])
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb6/igt@kms_plane_lowres@pipe-a-tiling-x.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb8/igt@kms_plane_lowres@pipe-a-tiling-x.html

  * igt@kms_psr@psr2_cursor_render:
    - shard-iclb:         [PASS][23] -> [SKIP][24] ([fdo#109441]) +2 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb2/igt@kms_psr@psr2_cursor_render.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb6/igt@kms_psr@psr2_cursor_render.html

  * igt@kms_setmode@basic:
    - shard-apl:          [PASS][25] -> [FAIL][26] ([fdo#99912])
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-apl7/igt@kms_setmode@basic.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-apl1/igt@kms_setmode@basic.html
    - shard-kbl:          [PASS][27] -> [FAIL][28] ([fdo#99912])
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-kbl7/igt@kms_setmode@basic.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-kbl1/igt@kms_setmode@basic.html

  
#### Possible fixes ####

  * igt@gem_ctx_shared@exec-single-timeline-bsd:
    - shard-iclb:         [SKIP][29] ([fdo#110841]) -> [PASS][30]
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb2/igt@gem_ctx_shared@exec-single-timeline-bsd.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb5/igt@gem_ctx_shared@exec-single-timeline-bsd.html

  * igt@gem_ctx_switch@legacy-bsd2-heavy:
    - shard-iclb:         [SKIP][31] ([fdo#109276]) -> [PASS][32] +13 similar issues
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb5/igt@gem_ctx_switch@legacy-bsd2-heavy.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb4/igt@gem_ctx_switch@legacy-bsd2-heavy.html

  * igt@gem_exec_balancer@smoke:
    - shard-iclb:         [SKIP][33] ([fdo#110854]) -> [PASS][34]
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb6/igt@gem_exec_balancer@smoke.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb1/igt@gem_exec_balancer@smoke.html

  * igt@gem_exec_schedule@promotion-bsd:
    - shard-iclb:         [SKIP][35] ([fdo#111325]) -> [PASS][36] +4 similar issues
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb2/igt@gem_exec_schedule@promotion-bsd.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb7/igt@gem_exec_schedule@promotion-bsd.html

  * igt@i915_pm_rps@waitboost:
    - shard-apl:          [FAIL][37] ([fdo#102250]) -> [PASS][38]
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-apl6/igt@i915_pm_rps@waitboost.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-apl5/igt@i915_pm_rps@waitboost.html

  * igt@i915_suspend@sysfs-reader:
    - shard-apl:          [DMESG-WARN][39] ([fdo#108566]) -> [PASS][40] +7 similar issues
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-apl8/igt@i915_suspend@sysfs-reader.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-apl5/igt@i915_suspend@sysfs-reader.html

  * igt@kms_cursor_crc@pipe-a-cursor-128x128-random:
    - shard-kbl:          [FAIL][41] ([fdo#103232]) -> [PASS][42]
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-kbl6/igt@kms_cursor_crc@pipe-a-cursor-128x128-random.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-kbl1/igt@kms_cursor_crc@pipe-a-cursor-128x128-random.html
    - shard-apl:          [FAIL][43] ([fdo#103232]) -> [PASS][44]
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-apl3/igt@kms_cursor_crc@pipe-a-cursor-128x128-random.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-apl1/igt@kms_cursor_crc@pipe-a-cursor-128x128-random.html

  * igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-indfb-draw-blt:
    - shard-iclb:         [FAIL][45] ([fdo#103167]) -> [PASS][46] +2 similar issues
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb2/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-indfb-draw-blt.html
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb5/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-indfb-draw-blt.html

  * igt@kms_psr2_su@frontbuffer:
    - shard-iclb:         [SKIP][47] ([fdo#109642] / [fdo#111068]) -> [PASS][48]
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb7/igt@kms_psr2_su@frontbuffer.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb2/igt@kms_psr2_su@frontbuffer.html

  * igt@kms_psr@psr2_cursor_mmap_cpu:
    - shard-iclb:         [SKIP][49] ([fdo#109441]) -> [PASS][50]
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb4/igt@kms_psr@psr2_cursor_mmap_cpu.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb2/igt@kms_psr@psr2_cursor_mmap_cpu.html

  * igt@kms_vblank@pipe-a-ts-continuation-dpms-suspend:
    - shard-kbl:          [INCOMPLETE][51] ([fdo#103665]) -> [PASS][52]
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-kbl4/igt@kms_vblank@pipe-a-ts-continuation-dpms-suspend.html
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-kbl2/igt@kms_vblank@pipe-a-ts-continuation-dpms-suspend.html

  
#### Warnings ####

  * igt@gem_ctx_isolation@vcs1-nonpriv:
    - shard-iclb:         [SKIP][53] ([fdo#109276]) -> [FAIL][54] ([fdo#111329])
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb5/igt@gem_ctx_isolation@vcs1-nonpriv.html
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb1/igt@gem_ctx_isolation@vcs1-nonpriv.html

  * igt@gem_mocs_settings@mocs-reset-bsd2:
    - shard-iclb:         [FAIL][55] ([fdo#111330]) -> [SKIP][56] ([fdo#109276])
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-iclb4/igt@gem_mocs_settings@mocs-reset-bsd2.html
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-iclb3/igt@gem_mocs_settings@mocs-reset-bsd2.html

  * igt@kms_cursor_crc@pipe-a-cursor-suspend:
    - shard-apl:          [INCOMPLETE][57] ([fdo#103927]) -> [DMESG-WARN][58] ([fdo#108566])
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5201/shard-apl3/igt@kms_cursor_crc@pipe-a-cursor-suspend.html
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/shard-apl3/igt@kms_cursor_crc@pipe-a-cursor-suspend.html

  
  [fdo#102250]: https://bugs.freedesktop.org/show_bug.cgi?id=102250
  [fdo#103166]: https://bugs.freedesktop.org/show_bug.cgi?id=103166
  [fdo#103167]: https://bugs.freedesktop.org/show_bug.cgi?id=103167
  [fdo#103232]: https://bugs.freedesktop.org/show_bug.cgi?id=103232
  [fdo#103540]: https://bugs.freedesktop.org/show_bug.cgi?id=103540
  [fdo#103665]: https://bugs.freedesktop.org/show_bug.cgi?id=103665
  [fdo#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
  [fdo#105767]: https://bugs.freedesktop.org/show_bug.cgi?id=105767
  [fdo#107713]: https://bugs.freedesktop.org/show_bug.cgi?id=107713
  [fdo#108566]: https://bugs.freedesktop.org/show_bug.cgi?id=108566
  [fdo#109276]: https://bugs.freedesktop.org/show_bug.cgi?id=109276
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#109642]: https://bugs.freedesktop.org/show_bug.cgi?id=109642
  [fdo#110841]: https://bugs.freedesktop.org/show_bug.cgi?id=110841
  [fdo#110854]: https://bugs.freedesktop.org/show_bug.cgi?id=110854
  [fdo#111068]: https://bugs.freedesktop.org/show_bug.cgi?id=111068
  [fdo#111325]: https://bugs.freedesktop.org/show_bug.cgi?id=111325
  [fdo#111329]: https://bugs.freedesktop.org/show_bug.cgi?id=111329
  [fdo#111330]: https://bugs.freedesktop.org/show_bug.cgi?id=111330
  [fdo#99912]: https://bugs.freedesktop.org/show_bug.cgi?id=99912


Participating hosts (7 -> 6)
------------------------------

  Missing    (1): shard-skl 


Build changes
-------------

  * CI: CI-20190529 -> None
  * IGT: IGT_5201 -> IGTPW_3495

  CI-20190529: 20190529
  CI_DRM_6947: 567ef14d043c8fd9d9d948dac219c68216fda305 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_3495: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/
  IGT_5201: 3c1633abec14679300d52eeaf9fb7b63e435e51e @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3495/
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