[Intel-gfx] [PATCH 1/2] drm/i915/execlists: Add a couple more validity checks to assert_pending()

[Intel-gfx] [PATCH 1/2] drm/i915/execlists: Add a couple more validity checks to assert_pending()

[Chris Wilson]

Check the pending request submission is valid: that it at least has a
reference for the submission and that the request is on the active list.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index fef4b7e823f5..37ab9742abe7 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1303,6 +1303,9 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
 		unsigned long flags;
 		bool ok = true;
 
+		GEM_BUG_ON(!kref_read(&rq->fence.refcount));
+		GEM_BUG_ON(!i915_request_is_active(rq));
+
 		if (ce == rq->hw_context) {
 			GEM_TRACE_ERR("Dup context:%llx in pending[%zd]\n",
 				      ce->timeline->fence_context,
-- 
2.24.0

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[Intel-gfx] [PATCH 2/2] drm/i915/execlists: Skip nested spinlock for validating pending

[Chris Wilson]

Only along the submission path can we guarantee that the locked request
is indeed from a foreign engine, and so the nesting of engine/rq is
permissible. On the submission tasklet (process_csb()), we may find
ourselves competing with the normal nesting of rq/engine, invalidating
our nesting. As we only use the spinlock for debug purposes, skip the
debug if we cannot acquire the spinlock for safe validation - catching
99% of the bugs is better than causing a hard lockup.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 37ab9742abe7..82807918382d 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1315,8 +1315,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
 		ce = rq->hw_context;
 
 		/* Hold tightly onto the lock to prevent concurrent retires! */
-		spin_lock_irqsave_nested(&rq->lock, flags,
-					 SINGLE_DEPTH_NESTING);
+		if (!spin_trylock_irqsave(&rq->lock, flags))
+			continue;
 
 		if (i915_request_completed(rq))
 			goto unlock;
-- 
2.24.0

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Re: [Intel-gfx] [PATCH 2/2] drm/i915/execlists: Skip nested spinlock for validating pending

[Chris Wilson]

Quoting Chris Wilson (2019-12-03 15:26:31)
> Only along the submission path can we guarantee that the locked request
> is indeed from a foreign engine, and so the nesting of engine/rq is
> permissible. On the submission tasklet (process_csb()), we may find
> ourselves competing with the normal nesting of rq/engine, invalidating
> our nesting. As we only use the spinlock for debug purposes, skip the
> debug if we cannot acquire the spinlock for safe validation - catching
> 99% of the bugs is better than causing a hard lockup.
> 
Fixes: c95d31c3df1b ("drm/i915/execlists: Lock the request while validating it during promotion")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
-Chris
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Re: [Intel-gfx] [PATCH 1/2] drm/i915/execlists: Add a couple more validity checks to assert_pending()

[Chris Wilson]

Quoting Chris Wilson (2019-12-03 15:26:30)
> Check the pending request submission is valid: that it at least has a
> reference for the submission and that the request is on the active list.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
-Chris
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Re: [Intel-gfx] [PATCH 2/2] drm/i915/execlists: Skip nested spinlock for validating pending

[Chris Wilson]

Quoting Chris Wilson (2019-12-03 15:26:31)
> Only along the submission path can we guarantee that the locked request
> is indeed from a foreign engine, and so the nesting of engine/rq is
> permissible. On the submission tasklet (process_csb()), we may find
> ourselves competing with the normal nesting of rq/engine, invalidating
> our nesting. As we only use the spinlock for debug purposes, skip the
> debug if we cannot acquire the spinlock for safe validation - catching
> 99% of the bugs is better than causing a hard lockup.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
-Chris
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[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [1/2] drm/i915/execlists: Add a couple more validity checks to assert_pending()

[Patchwork]

== Series Details ==

Series: series starting with [1/2] drm/i915/execlists: Add a couple more validity checks to assert_pending()
URL   : https://patchwork.freedesktop.org/series/70375/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_7471 -> Patchwork_15561
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_15561 absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_15561, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/index.html

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_15561:

### IGT changes ###

#### Possible regressions ####

  * igt@i915_selftest@live_evict:
    - fi-bwr-2160:        [PASS][1] -> [INCOMPLETE][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-bwr-2160/igt@i915_selftest@live_evict.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-bwr-2160/igt@i915_selftest@live_evict.html

  
#### Suppressed ####

  The following results come from untrusted machines, tests, or statuses.
  They do not affect the overall result.

  * igt@i915_module_load@reload-with-fault-injection:
    - {fi-kbl-7560u}:     [DMESG-WARN][3] ([i915#109] / [i915#92]) -> [INCOMPLETE][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-kbl-7560u/igt@i915_module_load@reload-with-fault-injection.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-kbl-7560u/igt@i915_module_load@reload-with-fault-injection.html

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

  Here are the changes found in Patchwork_15561 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@i915_selftest@live_blt:
    - fi-hsw-4770:        [PASS][5] -> [DMESG-FAIL][6] ([i915#563])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-hsw-4770/igt@i915_selftest@live_blt.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-hsw-4770/igt@i915_selftest@live_blt.html

  * igt@i915_selftest@live_gem_contexts:
    - fi-hsw-peppy:       [PASS][7] -> [DMESG-FAIL][8] ([fdo#111692])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html

  * igt@i915_selftest@live_gt_timelines:
    - fi-icl-guc:         [PASS][9] -> [INCOMPLETE][10] ([i915#140])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-icl-guc/igt@i915_selftest@live_gt_timelines.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-icl-guc/igt@i915_selftest@live_gt_timelines.html

  * igt@i915_selftest@live_sanitycheck:
    - fi-skl-lmem:        [PASS][11] -> [DMESG-WARN][12] ([i915#592])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-skl-lmem/igt@i915_selftest@live_sanitycheck.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-skl-lmem/igt@i915_selftest@live_sanitycheck.html

  * igt@kms_frontbuffer_tracking@basic:
    - fi-hsw-peppy:       [PASS][13] -> [DMESG-WARN][14] ([i915#44])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-hsw-peppy/igt@kms_frontbuffer_tracking@basic.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-hsw-peppy/igt@kms_frontbuffer_tracking@basic.html

  
#### Possible fixes ####

  * igt@i915_selftest@live_blt:
    - fi-apl-guc:         [DMESG-WARN][15] -> [PASS][16]
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-apl-guc/igt@i915_selftest@live_blt.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-apl-guc/igt@i915_selftest@live_blt.html
    - fi-bsw-n3050:       [DMESG-FAIL][17] ([i915#563]) -> [PASS][18]
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-bsw-n3050/igt@i915_selftest@live_blt.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-bsw-n3050/igt@i915_selftest@live_blt.html
    - fi-bsw-nick:        [DMESG-FAIL][19] ([i915#563]) -> [PASS][20]
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-bsw-nick/igt@i915_selftest@live_blt.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-bsw-nick/igt@i915_selftest@live_blt.html

  * igt@kms_chamelium@hdmi-crc-fast:
    - fi-icl-u2:          [FAIL][21] ([fdo#109635]) -> [PASS][22]
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-icl-u2/igt@kms_chamelium@hdmi-crc-fast.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-icl-u2/igt@kms_chamelium@hdmi-crc-fast.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-kbl-7500u:       [FAIL][23] ([fdo#111096] / [i915#323]) -> [PASS][24]
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html

  
#### Warnings ####

  * igt@gem_exec_suspend@basic-s0:
    - fi-kbl-x1275:       [DMESG-WARN][25] ([i915#62] / [i915#92] / [i915#95]) -> [DMESG-WARN][26] ([i915#62] / [i915#92]) +4 similar issues
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-kbl-x1275/igt@gem_exec_suspend@basic-s0.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-kbl-x1275/igt@gem_exec_suspend@basic-s0.html

  * igt@i915_pm_rpm@basic-pci-d3-state:
    - fi-kbl-x1275:       [SKIP][27] ([fdo#109271]) -> [DMESG-WARN][28] ([i915#62] / [i915#92])
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-kbl-x1275/igt@i915_pm_rpm@basic-pci-d3-state.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-kbl-x1275/igt@i915_pm_rpm@basic-pci-d3-state.html

  * igt@i915_selftest@live_blt:
    - fi-hsw-4770r:       [DMESG-FAIL][29] ([i915#683]) -> [DMESG-FAIL][30] ([i915#563])
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-hsw-4770r/igt@i915_selftest@live_blt.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-hsw-4770r/igt@i915_selftest@live_blt.html

  * igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy:
    - fi-kbl-x1275:       [DMESG-WARN][31] ([i915#62] / [i915#92]) -> [DMESG-WARN][32] ([i915#62] / [i915#92] / [i915#95]) +4 similar issues
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7471/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html

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

  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109635]: https://bugs.freedesktop.org/show_bug.cgi?id=109635
  [fdo#111096]: https://bugs.freedesktop.org/show_bug.cgi?id=111096
  [fdo#111692]: https://bugs.freedesktop.org/show_bug.cgi?id=111692
  [i915#109]: https://gitlab.freedesktop.org/drm/intel/issues/109
  [i915#140]: https://gitlab.freedesktop.org/drm/intel/issues/140
  [i915#323]: https://gitlab.freedesktop.org/drm/intel/issues/323
  [i915#44]: https://gitlab.freedesktop.org/drm/intel/issues/44
  [i915#563]: https://gitlab.freedesktop.org/drm/intel/issues/563
  [i915#592]: https://gitlab.freedesktop.org/drm/intel/issues/592
  [i915#62]: https://gitlab.freedesktop.org/drm/intel/issues/62
  [i915#683]: https://gitlab.freedesktop.org/drm/intel/issues/683
  [i915#92]: https://gitlab.freedesktop.org/drm/intel/issues/92
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95


Participating hosts (50 -> 46)
------------------------------

  Missing    (4): fi-byt-clapper fi-ilk-m540 fi-bsw-cyan fi-bdw-samus 


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_7471 -> Patchwork_15561

  CI-20190529: 20190529
  CI_DRM_7471: 7187e860071abd027d6eeaecc0674becc137e939 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5323: b0f877d06a78b9c38ed246be2537a0453b6c214f @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_15561: 634ad6de6bd1a5f1464115d9478dce71571a1afb @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

634ad6de6bd1 drm/i915/execlists: Skip nested spinlock for validating pending
97e6c305da34 drm/i915/execlists: Add a couple more validity checks to assert_pending()

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15561/index.html
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[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [1/2] drm/i915/execlists: Add a couple more validity checks to assert_pending()

[Patchwork]

== Series Details ==

Series: series starting with [1/2] drm/i915/execlists: Add a couple more validity checks to assert_pending()
URL   : https://patchwork.freedesktop.org/series/70353/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_7470 -> Patchwork_15557
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_15557 absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_15557, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/index.html

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_15557:

### IGT changes ###

#### Possible regressions ####

  * igt@gem_ctx_exec@basic:
    - fi-cml-s:           [PASS][1] -> [DMESG-WARN][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-cml-s/igt@gem_ctx_exec@basic.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-cml-s/igt@gem_ctx_exec@basic.html
    - fi-skl-6700k2:      [PASS][3] -> [DMESG-WARN][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-6700k2/igt@gem_ctx_exec@basic.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-6700k2/igt@gem_ctx_exec@basic.html
    - fi-cml-u2:          [PASS][5] -> [DMESG-WARN][6]
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-cml-u2/igt@gem_ctx_exec@basic.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-cml-u2/igt@gem_ctx_exec@basic.html
    - fi-kbl-r:           [PASS][7] -> [DMESG-WARN][8]
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-r/igt@gem_ctx_exec@basic.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-r/igt@gem_ctx_exec@basic.html
    - fi-icl-y:           [PASS][9] -> [DMESG-WARN][10]
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-icl-y/igt@gem_ctx_exec@basic.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-icl-y/igt@gem_ctx_exec@basic.html
    - fi-kbl-guc:         [PASS][11] -> [DMESG-WARN][12]
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-guc/igt@gem_ctx_exec@basic.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-guc/igt@gem_ctx_exec@basic.html
    - fi-skl-guc:         [PASS][13] -> [DMESG-WARN][14]
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-guc/igt@gem_ctx_exec@basic.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-guc/igt@gem_ctx_exec@basic.html

  * igt@gem_ctx_switch@legacy-render:
    - fi-bdw-5557u:       [PASS][15] -> [DMESG-WARN][16]
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bdw-5557u/igt@gem_ctx_switch@legacy-render.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bdw-5557u/igt@gem_ctx_switch@legacy-render.html
    - fi-kbl-guc:         [PASS][17] -> [INCOMPLETE][18]
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-guc/igt@gem_ctx_switch@legacy-render.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-guc/igt@gem_ctx_switch@legacy-render.html
    - fi-bxt-dsi:         [PASS][19] -> [DMESG-WARN][20]
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bxt-dsi/igt@gem_ctx_switch@legacy-render.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bxt-dsi/igt@gem_ctx_switch@legacy-render.html
    - fi-cfl-guc:         [PASS][21] -> [DMESG-WARN][22]
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-cfl-guc/igt@gem_ctx_switch@legacy-render.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-cfl-guc/igt@gem_ctx_switch@legacy-render.html
    - fi-skl-6770hq:      [PASS][23] -> [INCOMPLETE][24]
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-6770hq/igt@gem_ctx_switch@legacy-render.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-6770hq/igt@gem_ctx_switch@legacy-render.html
    - fi-skl-lmem:        [PASS][25] -> [DMESG-WARN][26]
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-lmem/igt@gem_ctx_switch@legacy-render.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-lmem/igt@gem_ctx_switch@legacy-render.html

  * igt@gem_ctx_switch@rcs0:
    - fi-skl-6600u:       [PASS][27] -> [DMESG-WARN][28]
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-6600u/igt@gem_ctx_switch@rcs0.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-6600u/igt@gem_ctx_switch@rcs0.html
    - fi-kbl-soraka:      [PASS][29] -> [DMESG-WARN][30]
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-soraka/igt@gem_ctx_switch@rcs0.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-soraka/igt@gem_ctx_switch@rcs0.html
    - fi-whl-u:           [PASS][31] -> [DMESG-WARN][32]
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-whl-u/igt@gem_ctx_switch@rcs0.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-whl-u/igt@gem_ctx_switch@rcs0.html

  * igt@gem_exec_parallel@basic:
    - fi-skl-6600u:       [PASS][33] -> [INCOMPLETE][34]
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-6600u/igt@gem_exec_parallel@basic.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-6600u/igt@gem_exec_parallel@basic.html
    - fi-bdw-5557u:       [PASS][35] -> [INCOMPLETE][36]
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bdw-5557u/igt@gem_exec_parallel@basic.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bdw-5557u/igt@gem_exec_parallel@basic.html
    - fi-cfl-guc:         [PASS][37] -> [INCOMPLETE][38]
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-cfl-guc/igt@gem_exec_parallel@basic.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-cfl-guc/igt@gem_exec_parallel@basic.html

  * igt@gem_exec_suspend@basic:
    - fi-kbl-x1275:       [PASS][39] -> [INCOMPLETE][40]
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-x1275/igt@gem_exec_suspend@basic.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-x1275/igt@gem_exec_suspend@basic.html

  * igt@gem_exec_suspend@basic-s0:
    - fi-skl-6700k2:      [PASS][41] -> [INCOMPLETE][42]
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-6700k2/igt@gem_exec_suspend@basic-s0.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-6700k2/igt@gem_exec_suspend@basic-s0.html
    - fi-kbl-7500u:       [PASS][43] -> [INCOMPLETE][44]
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-7500u/igt@gem_exec_suspend@basic-s0.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-7500u/igt@gem_exec_suspend@basic-s0.html

  * igt@gem_exec_suspend@basic-s3:
    - fi-whl-u:           [PASS][45] -> [INCOMPLETE][46]
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-whl-u/igt@gem_exec_suspend@basic-s3.html
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-whl-u/igt@gem_exec_suspend@basic-s3.html

  * igt@gem_sync@basic-all:
    - fi-skl-guc:         [PASS][47] -> [INCOMPLETE][48]
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-guc/igt@gem_sync@basic-all.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-guc/igt@gem_sync@basic-all.html
    - fi-skl-lmem:        [PASS][49] -> [INCOMPLETE][50]
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-skl-lmem/igt@gem_sync@basic-all.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-skl-lmem/igt@gem_sync@basic-all.html

  * igt@gem_sync@basic-each:
    - fi-kbl-r:           [PASS][51] -> [INCOMPLETE][52]
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-r/igt@gem_sync@basic-each.html
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-r/igt@gem_sync@basic-each.html
    - fi-bsw-nick:        [PASS][53] -> [INCOMPLETE][54]
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bsw-nick/igt@gem_sync@basic-each.html
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bsw-nick/igt@gem_sync@basic-each.html

  * igt@gem_sync@basic-store-all:
    - fi-bsw-n3050:       [PASS][55] -> [INCOMPLETE][56]
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bsw-n3050/igt@gem_sync@basic-store-all.html
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bsw-n3050/igt@gem_sync@basic-store-all.html

  * igt@i915_selftest@live_gtt:
    - fi-kbl-soraka:      [PASS][57] -> [INCOMPLETE][58]
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-soraka/igt@i915_selftest@live_gtt.html
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-soraka/igt@i915_selftest@live_gtt.html

  
#### Suppressed ####

  The following results come from untrusted machines, tests, or statuses.
  They do not affect the overall result.

  * igt@gem_ctx_exec@basic:
    - {fi-kbl-7560u}:     [PASS][59] -> [DMESG-WARN][60]
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-7560u/igt@gem_ctx_exec@basic.html
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-7560u/igt@gem_ctx_exec@basic.html

  * igt@gem_ctx_switch@legacy-render:
    - {fi-tgl-u}:         NOTRUN -> [INCOMPLETE][61]
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-tgl-u/igt@gem_ctx_switch@legacy-render.html

  * igt@gem_exec_suspend@basic-s0:
    - {fi-kbl-7560u}:     [PASS][62] -> [INCOMPLETE][63]
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-kbl-7560u/igt@gem_exec_suspend@basic-s0.html
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-kbl-7560u/igt@gem_exec_suspend@basic-s0.html

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

  Here are the changes found in Patchwork_15557 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_ctx_switch@legacy-render:
    - fi-glk-dsi:         [PASS][64] -> [INCOMPLETE][65] ([i915#58] / [k.org#198133])
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-glk-dsi/igt@gem_ctx_switch@legacy-render.html
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-glk-dsi/igt@gem_ctx_switch@legacy-render.html
    - fi-icl-u2:          [PASS][66] -> [INCOMPLETE][67] ([i915#140])
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-icl-u2/igt@gem_ctx_switch@legacy-render.html
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-icl-u2/igt@gem_ctx_switch@legacy-render.html
    - fi-cml-u2:          [PASS][68] -> [INCOMPLETE][69] ([i915#283])
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-cml-u2/igt@gem_ctx_switch@legacy-render.html
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-cml-u2/igt@gem_ctx_switch@legacy-render.html
    - fi-cml-s:           [PASS][70] -> [INCOMPLETE][71] ([i915#283])
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-cml-s/igt@gem_ctx_switch@legacy-render.html
   [71]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-cml-s/igt@gem_ctx_switch@legacy-render.html

  * igt@gem_exec_gttfill@basic:
    - fi-icl-u3:          [PASS][72] -> [INCOMPLETE][73] ([i915#140])
   [72]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-icl-u3/igt@gem_exec_gttfill@basic.html
   [73]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-icl-u3/igt@gem_exec_gttfill@basic.html

  * igt@gem_exec_parallel@basic:
    - fi-icl-dsi:         [PASS][74] -> [INCOMPLETE][75] ([i915#140])
   [74]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-icl-dsi/igt@gem_exec_parallel@basic.html
   [75]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-icl-dsi/igt@gem_exec_parallel@basic.html
    - fi-icl-y:           [PASS][76] -> [INCOMPLETE][77] ([i915#140])
   [76]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-icl-y/igt@gem_exec_parallel@basic.html
   [77]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-icl-y/igt@gem_exec_parallel@basic.html

  * igt@gem_exec_suspend@basic-s3:
    - fi-bsw-kefka:       [PASS][78] -> [INCOMPLETE][79] ([i915#392])
   [78]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bsw-kefka/igt@gem_exec_suspend@basic-s3.html
   [79]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bsw-kefka/igt@gem_exec_suspend@basic-s3.html

  * igt@gem_exec_suspend@basic-s4-devices:
    - fi-bxt-dsi:         [PASS][80] -> [INCOMPLETE][81] ([fdo#103927])
   [80]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bxt-dsi/igt@gem_exec_suspend@basic-s4-devices.html
   [81]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bxt-dsi/igt@gem_exec_suspend@basic-s4-devices.html

  
#### Possible fixes ####

  * igt@i915_selftest@live_active:
    - fi-bwr-2160:        [INCOMPLETE][82] ([i915#693]) -> [PASS][83]
   [82]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7470/fi-bwr-2160/igt@i915_selftest@live_active.html
   [83]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/fi-bwr-2160/igt@i915_selftest@live_active.html

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

  [fdo#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
  [i915#140]: https://gitlab.freedesktop.org/drm/intel/issues/140
  [i915#283]: https://gitlab.freedesktop.org/drm/intel/issues/283
  [i915#392]: https://gitlab.freedesktop.org/drm/intel/issues/392
  [i915#58]: https://gitlab.freedesktop.org/drm/intel/issues/58
  [i915#693]: https://gitlab.freedesktop.org/drm/intel/issues/693
  [k.org#198133]: https://bugzilla.kernel.org/show_bug.cgi?id=198133


Participating hosts (51 -> 41)
------------------------------

  Additional (1): fi-tgl-u 
  Missing    (11): fi-hsw-4770r fi-icl-1065g7 fi-ilk-m540 fi-byt-j1900 fi-bsw-cyan fi-cfl-8700k fi-apl-guc fi-ctg-p8600 fi-icl-guc fi-byt-clapper fi-bdw-samus 


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_7470 -> Patchwork_15557

  CI-20190529: 20190529
  CI_DRM_7470: 63c9277035294cff970e9ce06668df0aa940fdb2 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5323: b0f877d06a78b9c38ed246be2537a0453b6c214f @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_15557: a473aac792baa0d825fe221f26e589b94bd85e2e @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

a473aac792ba drm/i915/execlists: Skip nested spinlock for validating pending
d2939291578c drm/i915/execlists: Add a couple more validity checks to assert_pending()

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15557/index.html
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