[Intel-gfx] [PATCH 1/3] drm/i915/perf: Mark up the racy use of perf->exclusive_stream

[Intel-gfx] [PATCH 1/3] drm/i915/perf: Mark up the racy use of perf->exclusive_stream

[Chris Wilson]

Inside the general i915_oa_init_reg_state() we avoid using the
perf->mutex. However, we rely on perf->exclusive_stream being valid to
access at that point, and for that we have to control the race with
disabling perf. This relies on the disabling being a heavy barrier that
inspects all active contexts, after marking the perf->exclusive_stream
as not available. This should ensure that there are no more concurrent
accesses to the perf->exclusive_stream as we destroy it.

Mark up the races around the perf->exclusive_stream so that they stand
out much more. (And hopefully we will be running kcsan to start
validating that the only races we have are carefully controlled.)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
---
 drivers/gpu/drm/i915/i915_perf.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index e34c79df6ebc..0838a12e2dc5 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1405,8 +1405,10 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream)
 	/*
 	 * Unset exclusive_stream first, it will be checked while disabling
 	 * the metric set on gen8+.
+	 *
+	 * See i915_oa_init_reg_state() and lrc_configure_all_contexts()
 	 */
-	perf->exclusive_stream = NULL;
+	WRITE_ONCE(perf->exclusive_stream, NULL);
 	perf->ops.disable_metric_set(stream);
 
 	free_oa_buffer(stream);
@@ -2847,7 +2849,7 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream,
 		goto err_oa_buf_alloc;
 
 	stream->ops = &i915_oa_stream_ops;
-	perf->exclusive_stream = stream;
+	WRITE_ONCE(perf->exclusive_stream, stream);
 
 	ret = perf->ops.enable_metric_set(stream);
 	if (ret) {
@@ -2867,7 +2869,7 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream,
 	return 0;
 
 err_enable:
-	perf->exclusive_stream = NULL;
+	WRITE_ONCE(perf->exclusive_stream, NULL);
 	perf->ops.disable_metric_set(stream);
 
 	free_oa_buffer(stream);
@@ -2893,12 +2895,11 @@ void i915_oa_init_reg_state(const struct intel_context *ce,
 {
 	struct i915_perf_stream *stream;
 
-	/* perf.exclusive_stream serialised by lrc_configure_all_contexts() */
-
 	if (engine->class != RENDER_CLASS)
 		return;
 
-	stream = engine->i915->perf.exclusive_stream;
+	/* perf.exclusive_stream serialised by lrc_configure_all_contexts() */
+	stream = READ_ONCE(engine->i915->perf.exclusive_stream);
 	/*
 	 * For gen12, only CTX_R_PWR_CLK_STATE needs update, but the caller
 	 * is already doing that, so nothing to be done for gen12 here.
-- 
2.25.1

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[Intel-gfx] [PATCH 2/3] drm/i915/perf: Manually acquire engine-wakeref around use of kernel_context

[Chris Wilson]

The engine->kernel_context is a special case for request emission. Since
it is used as the barrier within the engine's wakeref, we must acquire the
wakeref before submitting a request to the kernel_context.

Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
---
 drivers/gpu/drm/i915/i915_perf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 0838a12e2dc5..2334c45f1d08 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -2196,7 +2196,9 @@ static int gen8_modify_self(struct intel_context *ce,
 	struct i915_request *rq;
 	int err;
 
+	intel_engine_pm_get(ce->engine);
 	rq = i915_request_create(ce);
+	intel_engine_pm_put(ce->engine);
 	if (IS_ERR(rq))
 		return PTR_ERR(rq);
 
-- 
2.25.1

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[Intel-gfx] [PATCH 3/3] drm/i915/perf: Wait for lrc_reconfigure on disable

[Chris Wilson]

Wait for the last request (and so waits for all context updates) when
disabling OA. This prevents a rather bizarre error seen on Skylake
where the context is subsequently corrupted. Let's play safe and assume
it may impact all.

Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
---
 drivers/gpu/drm/i915/i915_perf.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 2334c45f1d08..20c68b5dea63 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -2191,7 +2191,8 @@ static int gen8_modify_context(struct intel_context *ce,
 }
 
 static int gen8_modify_self(struct intel_context *ce,
-			    const struct flex *flex, unsigned int count)
+			    const struct flex *flex, unsigned int count,
+			    bool sync)
 {
 	struct i915_request *rq;
 	int err;
@@ -2204,7 +2205,12 @@ static int gen8_modify_self(struct intel_context *ce,
 
 	err = gen8_load_flex(rq, ce, flex, count);
 
+	i915_request_get(rq);
 	i915_request_add(rq);
+	if (sync && i915_request_wait(rq, 0, HZ) < 0)
+		err = -ETIME;
+	i915_request_put(rq);
+
 	return err;
 }
 
@@ -2281,7 +2287,7 @@ static int gen12_configure_oar_context(struct i915_perf_stream *stream, bool ena
 		return err;
 
 	/* Apply regs_lri using LRI with pinned context */
-	return gen8_modify_self(ce, regs_lri, ARRAY_SIZE(regs_lri));
+	return gen8_modify_self(ce, regs_lri, ARRAY_SIZE(regs_lri), false);
 }
 
 /*
@@ -2311,7 +2317,8 @@ static int gen12_configure_oar_context(struct i915_perf_stream *stream, bool ena
  */
 static int oa_configure_all_contexts(struct i915_perf_stream *stream,
 				     struct flex *regs,
-				     size_t num_regs)
+				     size_t num_regs,
+				     bool enable)
 {
 	struct drm_i915_private *i915 = stream->perf->i915;
 	struct intel_engine_cs *engine;
@@ -2368,7 +2375,7 @@ static int oa_configure_all_contexts(struct i915_perf_stream *stream,
 
 		regs[0].value = intel_sseu_make_rpcs(i915, &ce->sseu);
 
-		err = gen8_modify_self(ce, regs, num_regs);
+		err = gen8_modify_self(ce, regs, num_regs, !enable);
 		if (err)
 			return err;
 	}
@@ -2386,7 +2393,9 @@ static int gen12_configure_all_contexts(struct i915_perf_stream *stream,
 		},
 	};
 
-	return oa_configure_all_contexts(stream, regs, ARRAY_SIZE(regs));
+	return oa_configure_all_contexts(stream,
+					 regs, ARRAY_SIZE(regs),
+					 oa_config);
 }
 
 static int lrc_configure_all_contexts(struct i915_perf_stream *stream,
@@ -2423,7 +2432,9 @@ static int lrc_configure_all_contexts(struct i915_perf_stream *stream,
 	for (i = 2; i < ARRAY_SIZE(regs); i++)
 		regs[i].value = oa_config_flex_reg(oa_config, regs[i].reg);
 
-	return oa_configure_all_contexts(stream, regs, ARRAY_SIZE(regs));
+	return oa_configure_all_contexts(stream,
+					 regs, ARRAY_SIZE(regs),
+					 oa_config);
 }
 
 static int gen8_enable_metric_set(struct i915_perf_stream *stream)
-- 
2.25.1

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[Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [1/3] drm/i915/perf: Mark up the racy use of perf->exclusive_stream

[Patchwork]

== Series Details ==

Series: series starting with [1/3] drm/i915/perf: Mark up the racy use of perf->exclusive_stream
URL   : https://patchwork.freedesktop.org/series/73978/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8011 -> Patchwork_16726
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/index.html

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

  Here are the changes found in Patchwork_16726 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@kms_chamelium@dp-edid-read:
    - fi-icl-u2:          [PASS][1] -> [FAIL][2] ([fdo#109635] / [i915#217])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-icl-u2/igt@kms_chamelium@dp-edid-read.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-icl-u2/igt@kms_chamelium@dp-edid-read.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-kbl-7500u:       [PASS][3] -> [FAIL][4] ([fdo#111096] / [i915#323])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html

  * igt@prime_busy@basic-wait-before-default:
    - fi-tgl-y:           [PASS][5] -> [DMESG-WARN][6] ([CI#94] / [i915#402]) +1 similar issue
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-tgl-y/igt@prime_busy@basic-wait-before-default.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-tgl-y/igt@prime_busy@basic-wait-before-default.html

  
#### Possible fixes ####

  * igt@i915_selftest@live_active:
    - fi-icl-y:           [DMESG-FAIL][7] ([i915#765]) -> [PASS][8]
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-icl-y/igt@i915_selftest@live_active.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-icl-y/igt@i915_selftest@live_active.html

  * igt@i915_selftest@live_execlists:
    - fi-icl-y:           [DMESG-FAIL][9] ([fdo#108569]) -> [PASS][10]
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-icl-y/igt@i915_selftest@live_execlists.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-icl-y/igt@i915_selftest@live_execlists.html

  * igt@i915_selftest@live_gem_contexts:
    - fi-cfl-guc:         [INCOMPLETE][11] ([fdo#106070] / [i915#424]) -> [PASS][12]
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-cfl-guc/igt@i915_selftest@live_gem_contexts.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-cfl-guc/igt@i915_selftest@live_gem_contexts.html

  * igt@kms_frontbuffer_tracking@basic:
    - fi-hsw-peppy:       [DMESG-WARN][13] ([i915#44]) -> [PASS][14]
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-hsw-peppy/igt@kms_frontbuffer_tracking@basic.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-hsw-peppy/igt@kms_frontbuffer_tracking@basic.html

  * igt@prime_self_import@basic-llseek-bad:
    - fi-tgl-y:           [DMESG-WARN][15] ([CI#94] / [i915#402]) -> [PASS][16] +1 similar issue
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/fi-tgl-y/igt@prime_self_import@basic-llseek-bad.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/fi-tgl-y/igt@prime_self_import@basic-llseek-bad.html

  
  [CI#94]: https://gitlab.freedesktop.org/gfx-ci/i915-infra/issues/94
  [fdo#106070]: https://bugs.freedesktop.org/show_bug.cgi?id=106070
  [fdo#108569]: https://bugs.freedesktop.org/show_bug.cgi?id=108569
  [fdo#109635]: https://bugs.freedesktop.org/show_bug.cgi?id=109635
  [fdo#111096]: https://bugs.freedesktop.org/show_bug.cgi?id=111096
  [i915#217]: https://gitlab.freedesktop.org/drm/intel/issues/217
  [i915#323]: https://gitlab.freedesktop.org/drm/intel/issues/323
  [i915#402]: https://gitlab.freedesktop.org/drm/intel/issues/402
  [i915#424]: https://gitlab.freedesktop.org/drm/intel/issues/424
  [i915#44]: https://gitlab.freedesktop.org/drm/intel/issues/44
  [i915#765]: https://gitlab.freedesktop.org/drm/intel/issues/765


Participating hosts (51 -> 44)
------------------------------

  Missing    (7): fi-tgl-dsi fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper fi-bdw-samus 


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8011 -> Patchwork_16726

  CI-20190529: 20190529
  CI_DRM_8011: 39d6d8bcc9734483569c4422798a09f5bc025a9a @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5471: 668afe52887a164ee6a12fd1c898bc1c9086cf3e @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_16726: cc6065ea6703a74ce4e5615a21fc5e6af527ba2d @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

cc6065ea6703 drm/i915/perf: Wait for lrc_reconfigure on disable
8007f2744448 drm/i915/perf: Manually acquire engine-wakeref around use of kernel_context
2083940c11cf drm/i915/perf: Mark up the racy use of perf->exclusive_stream

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/index.html
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[Intel-gfx] ✗ Fi.CI.IGT: failure for series starting with [1/3] drm/i915/perf: Mark up the racy use of perf->exclusive_stream

[Patchwork]

== Series Details ==

Series: series starting with [1/3] drm/i915/perf: Mark up the racy use of perf->exclusive_stream
URL   : https://patchwork.freedesktop.org/series/73978/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_8011_full -> Patchwork_16726_full
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_16726_full absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_16726_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  

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

  Here are the unknown changes that may have been introduced in Patchwork_16726_full:

### IGT changes ###

#### Possible regressions ####

  * igt@runner@aborted:
    - shard-tglb:         NOTRUN -> [FAIL][1]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-tglb5/igt@runner@aborted.html

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

  Here are the changes found in Patchwork_16726_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_busy@busy-vcs1:
    - shard-iclb:         [PASS][2] -> [SKIP][3] ([fdo#112080]) +12 similar issues
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb1/igt@gem_busy@busy-vcs1.html
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb3/igt@gem_busy@busy-vcs1.html

  * igt@gem_ctx_shared@exec-single-timeline-bsd:
    - shard-iclb:         [PASS][4] -> [SKIP][5] ([fdo#110841])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb7/igt@gem_ctx_shared@exec-single-timeline-bsd.html
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb2/igt@gem_ctx_shared@exec-single-timeline-bsd.html

  * igt@gem_exec_balancer@hang:
    - shard-tglb:         [PASS][6] -> [FAIL][7] ([i915#1277])
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-tglb6/igt@gem_exec_balancer@hang.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-tglb5/igt@gem_exec_balancer@hang.html

  * igt@gem_exec_schedule@implicit-read-write-bsd1:
    - shard-iclb:         [PASS][8] -> [SKIP][9] ([fdo#109276] / [i915#677])
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb1/igt@gem_exec_schedule@implicit-read-write-bsd1.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb3/igt@gem_exec_schedule@implicit-read-write-bsd1.html

  * igt@gem_exec_schedule@pi-distinct-iova-bsd:
    - shard-iclb:         [PASS][10] -> [SKIP][11] ([i915#677]) +1 similar issue
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb3/igt@gem_exec_schedule@pi-distinct-iova-bsd.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb1/igt@gem_exec_schedule@pi-distinct-iova-bsd.html

  * igt@gem_exec_schedule@preemptive-hang-bsd:
    - shard-iclb:         [PASS][12] -> [SKIP][13] ([fdo#112146]) +4 similar issues
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb3/igt@gem_exec_schedule@preemptive-hang-bsd.html
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb1/igt@gem_exec_schedule@preemptive-hang-bsd.html

  * igt@gem_ppgtt@flink-and-close-vma-leak:
    - shard-glk:          [PASS][14] -> [FAIL][15] ([i915#644])
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-glk3/igt@gem_ppgtt@flink-and-close-vma-leak.html
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-glk9/igt@gem_ppgtt@flink-and-close-vma-leak.html

  * igt@i915_pm_rc6_residency@rc6-idle:
    - shard-skl:          [PASS][16] -> [FAIL][17] ([i915#1066])
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl9/igt@i915_pm_rc6_residency@rc6-idle.html
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl2/igt@i915_pm_rc6_residency@rc6-idle.html

  * igt@i915_pm_rpm@system-suspend-execbuf:
    - shard-skl:          [PASS][18] -> [INCOMPLETE][19] ([i915#151] / [i915#69])
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl2/igt@i915_pm_rpm@system-suspend-execbuf.html
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl3/igt@i915_pm_rpm@system-suspend-execbuf.html

  * igt@kms_flip@flip-vs-blocking-wf-vblank:
    - shard-tglb:         [PASS][20] -> [FAIL][21] ([i915#488])
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-tglb5/igt@kms_flip@flip-vs-blocking-wf-vblank.html
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-tglb7/igt@kms_flip@flip-vs-blocking-wf-vblank.html

  * igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a:
    - shard-kbl:          [PASS][22] -> [DMESG-WARN][23] ([i915#180]) +5 similar issues
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-kbl4/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-kbl7/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html

  * igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min:
    - shard-skl:          [PASS][24] -> [FAIL][25] ([fdo#108145])
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl8/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl3/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html

  * igt@kms_psr@psr2_sprite_plane_move:
    - shard-iclb:         [PASS][26] -> [SKIP][27] ([fdo#109441]) +1 similar issue
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb2/igt@kms_psr@psr2_sprite_plane_move.html
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb1/igt@kms_psr@psr2_sprite_plane_move.html

  * igt@kms_setmode@basic:
    - shard-skl:          [PASS][28] -> [FAIL][29] ([i915#31])
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl5/igt@kms_setmode@basic.html
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl7/igt@kms_setmode@basic.html

  * igt@prime_busy@hang-bsd2:
    - shard-iclb:         [PASS][30] -> [SKIP][31] ([fdo#109276]) +26 similar issues
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb1/igt@prime_busy@hang-bsd2.html
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb6/igt@prime_busy@hang-bsd2.html

  
#### Possible fixes ####

  * igt@gem_ctx_persistence@close-replace-race:
    - shard-skl:          [TIMEOUT][32] -> [PASS][33]
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl8/igt@gem_ctx_persistence@close-replace-race.html
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl10/igt@gem_ctx_persistence@close-replace-race.html

  * igt@gem_exec_balancer@smoke:
    - shard-iclb:         [SKIP][34] ([fdo#110854]) -> [PASS][35]
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb8/igt@gem_exec_balancer@smoke.html
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb1/igt@gem_exec_balancer@smoke.html

  * igt@gem_exec_schedule@deep-bsd:
    - shard-iclb:         [SKIP][36] ([fdo#112146]) -> [PASS][37] +3 similar issues
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb1/igt@gem_exec_schedule@deep-bsd.html
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb8/igt@gem_exec_schedule@deep-bsd.html

  * igt@gem_exec_schedule@implicit-both-bsd1:
    - shard-iclb:         [SKIP][38] ([fdo#109276] / [i915#677]) -> [PASS][39] +2 similar issues
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb5/igt@gem_exec_schedule@implicit-both-bsd1.html
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb2/igt@gem_exec_schedule@implicit-both-bsd1.html

  * igt@gem_exec_schedule@in-order-bsd2:
    - shard-iclb:         [SKIP][40] ([fdo#109276]) -> [PASS][41] +10 similar issues
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb8/igt@gem_exec_schedule@in-order-bsd2.html
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb1/igt@gem_exec_schedule@in-order-bsd2.html

  * igt@gem_exec_whisper@basic-queues-forked:
    - shard-iclb:         [INCOMPLETE][42] ([i915#1120]) -> [PASS][43]
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb1/igt@gem_exec_whisper@basic-queues-forked.html
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb1/igt@gem_exec_whisper@basic-queues-forked.html

  * igt@i915_selftest@live_gt_lrc:
    - shard-tglb:         [DMESG-FAIL][44] ([i915#1233]) -> [PASS][45]
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-tglb2/igt@i915_selftest@live_gt_lrc.html
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-tglb5/igt@i915_selftest@live_gt_lrc.html

  * igt@kms_cursor_crc@pipe-c-cursor-suspend:
    - shard-apl:          [DMESG-WARN][46] ([i915#180]) -> [PASS][47] +1 similar issue
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-apl6/igt@kms_cursor_crc@pipe-c-cursor-suspend.html
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-apl7/igt@kms_cursor_crc@pipe-c-cursor-suspend.html

  * igt@kms_flip@flip-vs-expired-vblank:
    - shard-skl:          [FAIL][48] ([i915#79]) -> [PASS][49]
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl3/igt@kms_flip@flip-vs-expired-vblank.html
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl9/igt@kms_flip@flip-vs-expired-vblank.html

  * igt@kms_flip@plain-flip-ts-check-interruptible:
    - shard-skl:          [FAIL][50] ([i915#34]) -> [PASS][51]
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl7/igt@kms_flip@plain-flip-ts-check-interruptible.html
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl1/igt@kms_flip@plain-flip-ts-check-interruptible.html

  * igt@kms_frontbuffer_tracking@psr-rgb565-draw-mmap-wc:
    - shard-tglb:         [SKIP][52] ([i915#668]) -> [PASS][53] +5 similar issues
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-tglb5/igt@kms_frontbuffer_tracking@psr-rgb565-draw-mmap-wc.html
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-tglb7/igt@kms_frontbuffer_tracking@psr-rgb565-draw-mmap-wc.html

  * igt@kms_plane@plane-panning-bottom-right-suspend-pipe-c-planes:
    - shard-kbl:          [DMESG-WARN][54] ([i915#180]) -> [PASS][55] +5 similar issues
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-kbl7/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-c-planes.html
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-kbl2/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-c-planes.html

  * igt@kms_psr2_su@frontbuffer:
    - shard-iclb:         [SKIP][56] ([fdo#109642] / [fdo#111068]) -> [PASS][57]
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb5/igt@kms_psr2_su@frontbuffer.html
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb2/igt@kms_psr2_su@frontbuffer.html

  * igt@kms_psr@psr2_cursor_blt:
    - shard-iclb:         [SKIP][58] ([fdo#109441]) -> [PASS][59] +1 similar issue
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb5/igt@kms_psr@psr2_cursor_blt.html
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb2/igt@kms_psr@psr2_cursor_blt.html

  * igt@perf_pmu@busy-no-semaphores-vcs1:
    - shard-iclb:         [SKIP][60] ([fdo#112080]) -> [PASS][61] +11 similar issues
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb6/igt@perf_pmu@busy-no-semaphores-vcs1.html
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb4/igt@perf_pmu@busy-no-semaphores-vcs1.html

  
#### Warnings ####

  * igt@gem_ctx_isolation@vcs1-nonpriv-switch:
    - shard-iclb:         [SKIP][62] ([fdo#112080]) -> [FAIL][63] ([IGT#28])
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-iclb5/igt@gem_ctx_isolation@vcs1-nonpriv-switch.html
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-iclb2/igt@gem_ctx_isolation@vcs1-nonpriv-switch.html

  * igt@gem_softpin@noreloc-s3:
    - shard-skl:          [TIMEOUT][64] ([i915#1325]) -> [INCOMPLETE][65] ([i915#69])
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8011/shard-skl2/igt@gem_softpin@noreloc-s3.html
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/shard-skl6/igt@gem_softpin@noreloc-s3.html

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

  [IGT#28]: https://gitlab.freedesktop.org/drm/igt-gpu-tools/issues/28
  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [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#112080]: https://bugs.freedesktop.org/show_bug.cgi?id=112080
  [fdo#112146]: https://bugs.freedesktop.org/show_bug.cgi?id=112146
  [i915#1066]: https://gitlab.freedesktop.org/drm/intel/issues/1066
  [i915#1120]: https://gitlab.freedesktop.org/drm/intel/issues/1120
  [i915#1233]: https://gitlab.freedesktop.org/drm/intel/issues/1233
  [i915#1277]: https://gitlab.freedesktop.org/drm/intel/issues/1277
  [i915#1325]: https://gitlab.freedesktop.org/drm/intel/issues/1325
  [i915#1333]: https://gitlab.freedesktop.org/drm/intel/issues/1333
  [i915#151]: https://gitlab.freedesktop.org/drm/intel/issues/151
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#31]: https://gitlab.freedesktop.org/drm/intel/issues/31
  [i915#34]: https://gitlab.freedesktop.org/drm/intel/issues/34
  [i915#488]: https://gitlab.freedesktop.org/drm/intel/issues/488
  [i915#644]: https://gitlab.freedesktop.org/drm/intel/issues/644
  [i915#668]: https://gitlab.freedesktop.org/drm/intel/issues/668
  [i915#677]: https://gitlab.freedesktop.org/drm/intel/issues/677
  [i915#69]: https://gitlab.freedesktop.org/drm/intel/issues/69
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79


Participating hosts (10 -> 10)
------------------------------

  No changes in participating hosts


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8011 -> Patchwork_16726

  CI-20190529: 20190529
  CI_DRM_8011: 39d6d8bcc9734483569c4422798a09f5bc025a9a @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5471: 668afe52887a164ee6a12fd1c898bc1c9086cf3e @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_16726: cc6065ea6703a74ce4e5615a21fc5e6af527ba2d @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16726/index.html
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