[Intel-gfx] [PATCH] drm/i915: Do not poison i915_request.link on removal

[Intel-gfx] [PATCH] drm/i915: Do not poison i915_request.link on removal

[Chris Wilson]

Do not poison the timeline link on the i915_request to allow both
forward/backward list traversal under RCU.

[ 9759.139229] RIP: 0010:active_request+0x2a/0x90 [i915]
[ 9759.139240] Code: 41 56 41 55 41 54 55 48 89 fd 53 48 89 f3 48 83 c5 60 e8 49 de dc e0 48 8b 83 e8 01 00 00 48 39 c5 74 12 48 8d 90 20 fe ff ff <48> 8b 80 50 fe ff ff a8 01 74 11 e8 66 20 dd e0 48 89 d8 5b 5d 41
[ 9759.139251] RSP: 0018:ffffc9000014ce80 EFLAGS: 00010012
[ 9759.139260] RAX: dead000000000122 RBX: ffff888817cac040 RCX: 0000000000022000
[ 9759.139267] RDX: deacffffffffff42 RSI: ffff888817cac040 RDI: ffff888851fee900
[ 9759.139275] RBP: ffff888851fee960 R08: 000000000000001a R09: ffffffffa04702e0
[ 9759.139282] R10: ffffffff82187ea0 R11: 0000000000000002 R12: 0000000000000004
[ 9759.139289] R13: ffffffffa04d5179 R14: ffff8887f994ae40 R15: ffff888857b9a068
[ 9759.139296] FS:  0000000000000000(0000) GS:ffff88885ed80000(0000) knlGS:0000000000000000
[ 9759.139304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9759.139311] CR2: 00007fff5bdec000 CR3: 00000008534fe001 CR4: 00000000001606e0
[ 9759.139318] Call Trace:
[ 9759.139325]  <IRQ>
[ 9759.139389]  execlists_reset+0x14d/0x310 [i915]
[ 9759.139400]  ? _raw_spin_unlock_irqrestore+0xf/0x30
[ 9759.139445]  ? fwtable_read32+0x90/0x230 [i915]
[ 9759.139499]  execlists_submission_tasklet+0xf6/0x150 [i915]
[ 9759.139508]  tasklet_action_common.isra.17+0x32/0xa0
[ 9759.139516]  __do_softirq+0x114/0x3dc
[ 9759.139525]  ? handle_irq_event_percpu+0x59/0x70
[ 9759.139533]  irq_exit+0xa1/0xc0
[ 9759.139540]  do_IRQ+0x76/0x150
[ 9759.139547]  common_interrupt+0xf/0xf
[ 9759.139554]  </IRQ>

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_request.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 66efd16c4850..5de3989b6c4f 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -290,7 +290,7 @@ bool i915_request_retire(struct i915_request *rq)
 	spin_unlock_irq(&rq->lock);
 
 	remove_from_client(rq);
-	list_del_rcu(&rq->link);
+	__list_del_entry(&rq->link); /* poison neither prev/next (RCU walks) */
 
 	intel_context_exit(rq->context);
 	intel_context_unpin(rq->context);
-- 
2.25.1

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Re: [Intel-gfx] [PATCH] drm/i915: Do not poison i915_request.link on removal

[Mika Kuoppala]

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

> Do not poison the timeline link on the i915_request to allow both
> forward/backward list traversal under RCU.
>
> [ 9759.139229] RIP: 0010:active_request+0x2a/0x90 [i915]
> [ 9759.139240] Code: 41 56 41 55 41 54 55 48 89 fd 53 48 89 f3 48 83 c5 60 e8 49 de dc e0 48 8b 83 e8 01 00 00 48 39 c5 74 12 48 8d 90 20 fe ff ff <48> 8b 80 50 fe ff ff a8 01 74 11 e8 66 20 dd e0 48 89 d8 5b 5d 41
> [ 9759.139251] RSP: 0018:ffffc9000014ce80 EFLAGS: 00010012
> [ 9759.139260] RAX: dead000000000122 RBX: ffff888817cac040 RCX: 0000000000022000
> [ 9759.139267] RDX: deacffffffffff42 RSI: ffff888817cac040 RDI: ffff888851fee900
> [ 9759.139275] RBP: ffff888851fee960 R08: 000000000000001a R09: ffffffffa04702e0
> [ 9759.139282] R10: ffffffff82187ea0 R11: 0000000000000002 R12: 0000000000000004
> [ 9759.139289] R13: ffffffffa04d5179 R14: ffff8887f994ae40 R15: ffff888857b9a068
> [ 9759.139296] FS:  0000000000000000(0000) GS:ffff88885ed80000(0000) knlGS:0000000000000000
> [ 9759.139304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 9759.139311] CR2: 00007fff5bdec000 CR3: 00000008534fe001 CR4: 00000000001606e0
> [ 9759.139318] Call Trace:
> [ 9759.139325]  <IRQ>
> [ 9759.139389]  execlists_reset+0x14d/0x310 [i915]
> [ 9759.139400]  ? _raw_spin_unlock_irqrestore+0xf/0x30
> [ 9759.139445]  ? fwtable_read32+0x90/0x230 [i915]
> [ 9759.139499]  execlists_submission_tasklet+0xf6/0x150 [i915]
> [ 9759.139508]  tasklet_action_common.isra.17+0x32/0xa0
> [ 9759.139516]  __do_softirq+0x114/0x3dc
> [ 9759.139525]  ? handle_irq_event_percpu+0x59/0x70
> [ 9759.139533]  irq_exit+0xa1/0xc0
> [ 9759.139540]  do_IRQ+0x76/0x150
> [ 9759.139547]  common_interrupt+0xf/0xf
> [ 9759.139554]  </IRQ>
>
> 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>

> ---
>  drivers/gpu/drm/i915/i915_request.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
> index 66efd16c4850..5de3989b6c4f 100644
> --- a/drivers/gpu/drm/i915/i915_request.c
> +++ b/drivers/gpu/drm/i915/i915_request.c
> @@ -290,7 +290,7 @@ bool i915_request_retire(struct i915_request *rq)
>  	spin_unlock_irq(&rq->lock);
>  
>  	remove_from_client(rq);
> -	list_del_rcu(&rq->link);
> +	__list_del_entry(&rq->link); /* poison neither prev/next (RCU walks) */
>  
>  	intel_context_exit(rq->context);
>  	intel_context_unpin(rq->context);
> -- 
> 2.25.1
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[Intel-gfx] ✗ Fi.CI.DOCS: warning for drm/i915: Do not poison i915_request.link on removal

[Patchwork]

== Series Details ==

Series: drm/i915: Do not poison i915_request.link on removal
URL   : https://patchwork.freedesktop.org/series/74393/
State : warning

== Summary ==

$ make htmldocs 2>&1 > /dev/null | grep i915
./drivers/gpu/drm/i915/display/intel_dpll_mgr.h:285: warning: Function parameter or member 'get_freq' not described in 'intel_shared_dpll_funcs'

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[Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Do not poison i915_request.link on removal

[Patchwork]

== Series Details ==

Series: drm/i915: Do not poison i915_request.link on removal
URL   : https://patchwork.freedesktop.org/series/74393/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8086 -> Patchwork_16863
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/index.html

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

  Here are the changes found in Patchwork_16863 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@i915_pm_rpm@module-reload:
    - fi-kbl-guc:         [PASS][1] -> [FAIL][2] ([i915#579])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-kbl-guc/igt@i915_pm_rpm@module-reload.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-kbl-guc/igt@i915_pm_rpm@module-reload.html

  * igt@i915_selftest@live@blt:
    - fi-bsw-n3050:       [PASS][3] -> [INCOMPLETE][4] ([i915#392])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-bsw-n3050/igt@i915_selftest@live@blt.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-bsw-n3050/igt@i915_selftest@live@blt.html

  * igt@i915_selftest@live@gem_contexts:
    - fi-cfl-8700k:       [PASS][5] -> [INCOMPLETE][6] ([i915#424])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-cfl-8700k/igt@i915_selftest@live@gem_contexts.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-cfl-8700k/igt@i915_selftest@live@gem_contexts.html

  * igt@kms_addfb_basic@addfb25-y-tiled:
    - fi-tgl-y:           [PASS][7] -> [DMESG-WARN][8] ([CI#94] / [i915#402])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-tgl-y/igt@kms_addfb_basic@addfb25-y-tiled.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-tgl-y/igt@kms_addfb_basic@addfb25-y-tiled.html

  
#### Possible fixes ####

  * igt@i915_selftest@live@dmabuf:
    - fi-ivb-3770:        [DMESG-WARN][9] -> [PASS][10]
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-ivb-3770/igt@i915_selftest@live@dmabuf.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-ivb-3770/igt@i915_selftest@live@dmabuf.html

  * igt@i915_selftest@live@hangcheck:
    - fi-ivb-3770:        [INCOMPLETE][11] -> [PASS][12]
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-ivb-3770/igt@i915_selftest@live@hangcheck.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-ivb-3770/igt@i915_selftest@live@hangcheck.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-icl-u2:          [FAIL][13] ([i915#217]) -> [PASS][14]
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-icl-u2/igt@kms_chamelium@hdmi-hpd-fast.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-icl-u2/igt@kms_chamelium@hdmi-hpd-fast.html

  * igt@prime_vgem@basic-fence-flip:
    - 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_8086/fi-tgl-y/igt@prime_vgem@basic-fence-flip.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-tgl-y/igt@prime_vgem@basic-fence-flip.html

  
#### Warnings ####

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-kbl-7500u:       [FAIL][17] ([fdo#111096] / [i915#323]) -> [FAIL][18] ([fdo#111407])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html

  
  [CI#94]: https://gitlab.freedesktop.org/gfx-ci/i915-infra/issues/94
  [fdo#111096]: https://bugs.freedesktop.org/show_bug.cgi?id=111096
  [fdo#111407]: https://bugs.freedesktop.org/show_bug.cgi?id=111407
  [i915#217]: https://gitlab.freedesktop.org/drm/intel/issues/217
  [i915#323]: https://gitlab.freedesktop.org/drm/intel/issues/323
  [i915#392]: https://gitlab.freedesktop.org/drm/intel/issues/392
  [i915#402]: https://gitlab.freedesktop.org/drm/intel/issues/402
  [i915#424]: https://gitlab.freedesktop.org/drm/intel/issues/424
  [i915#579]: https://gitlab.freedesktop.org/drm/intel/issues/579


Participating hosts (50 -> 38)
------------------------------

  Additional (2): fi-skl-guc fi-skl-lmem 
  Missing    (14): fi-ilk-m540 fi-hsw-4200u fi-hsw-peppy fi-skl-6770hq fi-glk-dsi fi-byt-squawks fi-bsw-cyan fi-ilk-650 fi-elk-e7500 fi-bsw-kefka fi-kbl-7560u fi-byt-clapper fi-bdw-samus fi-snb-2600 


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8086 -> Patchwork_16863

  CI-20190529: 20190529
  CI_DRM_8086: 3a1e69684036738b540510ffcc31964600bc0b3f @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5498: 1bb7a25a09fe3e653d310e8bdfbdde4a1934b326 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_16863: 6ead70f0c11098ff77d2e80ec1cf3f94c80a9878 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

6ead70f0c110 drm/i915: Do not poison i915_request.link on removal

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/index.html
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[Intel-gfx] ✓ Fi.CI.IGT: success for drm/i915: Do not poison i915_request.link on removal

[Patchwork]

== Series Details ==

Series: drm/i915: Do not poison i915_request.link on removal
URL   : https://patchwork.freedesktop.org/series/74393/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8086_full -> Patchwork_16863_full
====================================================

Summary
-------

  **WARNING**

  Minor unknown changes coming with Patchwork_16863_full need to be verified
  manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_16863_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_16863_full:

### IGT changes ###

#### Warnings ####

  * igt@gem_ctx_persistence@close-replace-race:
    - shard-iclb:         [TIMEOUT][1] -> [INCOMPLETE][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb6/igt@gem_ctx_persistence@close-replace-race.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb5/igt@gem_ctx_persistence@close-replace-race.html

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

  Here are the changes found in Patchwork_16863_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_ctx_persistence@close-replace-race:
    - shard-kbl:          [PASS][3] -> [INCOMPLETE][4] ([fdo#103665]) +1 similar issue
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-kbl3/igt@gem_ctx_persistence@close-replace-race.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-kbl6/igt@gem_ctx_persistence@close-replace-race.html

  * igt@gem_exec_schedule@pi-shared-iova-bsd:
    - shard-iclb:         [PASS][5] -> [SKIP][6] ([i915#677]) +1 similar issue
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb5/igt@gem_exec_schedule@pi-shared-iova-bsd.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb1/igt@gem_exec_schedule@pi-shared-iova-bsd.html

  * igt@gem_exec_schedule@preempt-contexts-bsd2:
    - shard-iclb:         [PASS][7] -> [SKIP][8] ([fdo#109276]) +22 similar issues
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb2/igt@gem_exec_schedule@preempt-contexts-bsd2.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb5/igt@gem_exec_schedule@preempt-contexts-bsd2.html

  * igt@gem_exec_schedule@preempt-queue-contexts-bsd:
    - shard-iclb:         [PASS][9] -> [SKIP][10] ([fdo#112146]) +1 similar issue
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb7/igt@gem_exec_schedule@preempt-queue-contexts-bsd.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb1/igt@gem_exec_schedule@preempt-queue-contexts-bsd.html

  * igt@gem_exec_whisper@basic-contexts-forked:
    - shard-apl:          [PASS][11] -> [INCOMPLETE][12] ([fdo#103927]) +1 similar issue
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-apl6/igt@gem_exec_whisper@basic-contexts-forked.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-apl4/igt@gem_exec_whisper@basic-contexts-forked.html

  * igt@gem_ppgtt@flink-and-close-vma-leak:
    - shard-glk:          [PASS][13] -> [FAIL][14] ([i915#644])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-glk9/igt@gem_ppgtt@flink-and-close-vma-leak.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-glk5/igt@gem_ppgtt@flink-and-close-vma-leak.html
    - shard-skl:          [PASS][15] -> [FAIL][16] ([i915#644])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-skl1/igt@gem_ppgtt@flink-and-close-vma-leak.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-skl5/igt@gem_ppgtt@flink-and-close-vma-leak.html

  * igt@gen9_exec_parse@allowed-all:
    - shard-glk:          [PASS][17] -> [DMESG-WARN][18] ([i915#716])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-glk6/igt@gen9_exec_parse@allowed-all.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-glk7/igt@gen9_exec_parse@allowed-all.html

  * igt@kms_cursor_crc@pipe-c-cursor-suspend:
    - shard-kbl:          [PASS][19] -> [DMESG-WARN][20] ([i915#180]) +1 similar issue
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-kbl6/igt@kms_cursor_crc@pipe-c-cursor-suspend.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-kbl2/igt@kms_cursor_crc@pipe-c-cursor-suspend.html

  * igt@kms_flip@flip-vs-expired-vblank-interruptible:
    - shard-skl:          [PASS][21] -> [FAIL][22] ([i915#79])
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-skl8/igt@kms_flip@flip-vs-expired-vblank-interruptible.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-skl1/igt@kms_flip@flip-vs-expired-vblank-interruptible.html

  * igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes:
    - shard-apl:          [PASS][23] -> [DMESG-WARN][24] ([i915#180]) +3 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-apl2/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-apl4/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes.html

  * igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min:
    - shard-skl:          [PASS][25] -> [FAIL][26] ([fdo#108145]) +1 similar issue
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-skl7/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-skl7/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html

  * igt@kms_psr@no_drrs:
    - shard-iclb:         [PASS][27] -> [FAIL][28] ([i915#173])
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb7/igt@kms_psr@no_drrs.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb1/igt@kms_psr@no_drrs.html

  * igt@kms_psr@psr2_sprite_mmap_gtt:
    - shard-iclb:         [PASS][29] -> [SKIP][30] ([fdo#109441])
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb2/igt@kms_psr@psr2_sprite_mmap_gtt.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb8/igt@kms_psr@psr2_sprite_mmap_gtt.html

  * igt@kms_setmode@basic:
    - shard-apl:          [PASS][31] -> [FAIL][32] ([i915#31])
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-apl7/igt@kms_setmode@basic.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-apl1/igt@kms_setmode@basic.html

  * igt@perf_pmu@busy-start-vcs1:
    - shard-iclb:         [PASS][33] -> [SKIP][34] ([fdo#112080]) +12 similar issues
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb1/igt@perf_pmu@busy-start-vcs1.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb7/igt@perf_pmu@busy-start-vcs1.html

  
#### Possible fixes ####

  * igt@gem_eio@in-flight-suspend:
    - shard-kbl:          [DMESG-WARN][35] ([i915#180]) -> [PASS][36] +3 similar issues
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-kbl2/igt@gem_eio@in-flight-suspend.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-kbl2/igt@gem_eio@in-flight-suspend.html

  * igt@gem_exec_schedule@implicit-read-write-bsd1:
    - shard-iclb:         [SKIP][37] ([fdo#109276] / [i915#677]) -> [PASS][38] +3 similar issues
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb7/igt@gem_exec_schedule@implicit-read-write-bsd1.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb1/igt@gem_exec_schedule@implicit-read-write-bsd1.html

  * igt@gem_exec_schedule@pi-distinct-iova-bsd:
    - shard-iclb:         [SKIP][39] ([i915#677]) -> [PASS][40] +3 similar issues
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb1/igt@gem_exec_schedule@pi-distinct-iova-bsd.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb7/igt@gem_exec_schedule@pi-distinct-iova-bsd.html

  * igt@gem_exec_schedule@preempt-other-chain-bsd:
    - shard-iclb:         [SKIP][41] ([fdo#112146]) -> [PASS][42] +10 similar issues
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb2/igt@gem_exec_schedule@preempt-other-chain-bsd.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb5/igt@gem_exec_schedule@preempt-other-chain-bsd.html

  * igt@gem_exec_whisper@basic-queues-all:
    - shard-glk:          [DMESG-WARN][43] ([i915#118] / [i915#95]) -> [PASS][44]
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-glk5/igt@gem_exec_whisper@basic-queues-all.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-glk6/igt@gem_exec_whisper@basic-queues-all.html

  * igt@i915_pm_rps@reset:
    - shard-iclb:         [FAIL][45] ([i915#413]) -> [PASS][46]
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb5/igt@i915_pm_rps@reset.html
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb2/igt@i915_pm_rps@reset.html

  * igt@i915_suspend@sysfs-reader:
    - shard-apl:          [DMESG-WARN][47] ([i915#180]) -> [PASS][48] +6 similar issues
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-apl1/igt@i915_suspend@sysfs-reader.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-apl8/igt@i915_suspend@sysfs-reader.html

  * igt@kms_flip@flip-vs-expired-vblank:
    - shard-skl:          [FAIL][49] ([i915#79]) -> [PASS][50]
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-skl9/igt@kms_flip@flip-vs-expired-vblank.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-skl8/igt@kms_flip@flip-vs-expired-vblank.html

  * igt@kms_flip_tiling@flip-to-yf-tiled:
    - shard-kbl:          [FAIL][51] ([fdo#107931] / [i915#167]) -> [PASS][52]
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-kbl3/igt@kms_flip_tiling@flip-to-yf-tiled.html
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-kbl3/igt@kms_flip_tiling@flip-to-yf-tiled.html

  * igt@kms_hdr@bpc-switch-dpms:
    - shard-skl:          [FAIL][53] ([i915#1188]) -> [PASS][54] +1 similar issue
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-skl7/igt@kms_hdr@bpc-switch-dpms.html
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-skl7/igt@kms_hdr@bpc-switch-dpms.html

  * igt@kms_plane_lowres@pipe-a-tiling-x:
    - shard-glk:          [FAIL][55] ([i915#899]) -> [PASS][56]
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-glk2/igt@kms_plane_lowres@pipe-a-tiling-x.html
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-glk6/igt@kms_plane_lowres@pipe-a-tiling-x.html

  * igt@kms_psr@psr2_cursor_plane_move:
    - shard-iclb:         [SKIP][57] ([fdo#109441]) -> [PASS][58] +1 similar issue
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb3/igt@kms_psr@psr2_cursor_plane_move.html
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb2/igt@kms_psr@psr2_cursor_plane_move.html

  * igt@kms_setmode@basic:
    - shard-skl:          [FAIL][59] ([i915#31]) -> [PASS][60]
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-skl7/igt@kms_setmode@basic.html
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-skl6/igt@kms_setmode@basic.html

  * igt@perf_pmu@busy-vcs1:
    - shard-iclb:         [SKIP][61] ([fdo#112080]) -> [PASS][62] +12 similar issues
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb5/igt@perf_pmu@busy-vcs1.html
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb2/igt@perf_pmu@busy-vcs1.html

  * igt@prime_vgem@fence-wait-bsd2:
    - shard-iclb:         [SKIP][63] ([fdo#109276]) -> [PASS][64] +18 similar issues
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb7/igt@prime_vgem@fence-wait-bsd2.html
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb1/igt@prime_vgem@fence-wait-bsd2.html

  
#### Warnings ####

  * igt@i915_pm_dc@dc6-dpms:
    - shard-tglb:         [FAIL][65] ([i915#454]) -> [SKIP][66] ([i915#468])
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-tglb7/igt@i915_pm_dc@dc6-dpms.html
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-tglb2/igt@i915_pm_dc@dc6-dpms.html

  * igt@kms_dp_dsc@basic-dsc-enable-edp:
    - shard-iclb:         [DMESG-WARN][67] ([i915#1226]) -> [SKIP][68] ([fdo#109349])
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-iclb2/igt@kms_dp_dsc@basic-dsc-enable-edp.html
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-iclb8/igt@kms_dp_dsc@basic-dsc-enable-edp.html

  * igt@kms_flip@flip-vs-expired-vblank:
    - shard-glk:          [FAIL][69] ([i915#79]) -> [FAIL][70] ([i915#46])
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8086/shard-glk8/igt@kms_flip@flip-vs-expired-vblank.html
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16863/shard-glk4/igt@kms_flip@flip-vs-expired-vblank.html

  
  [fdo#103665]: https://bugs.freedesktop.org/show_bug.cgi?id=103665
  [fdo#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
  [fdo#107931]: https://bugs.freedesktop.org/show_bug.cgi?id=107931
  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109276]: https://bugs.freedesktop.org/show_bug.cgi?id=109276
  [fdo#109349]: https://bugs.freedesktop.org/show_bug.cgi?id=109349
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#112080]: https://bugs.freedesktop.org/show_bug.cgi?id=112080
  [fdo#112146]: https://bugs.freedesktop.org/show_bug.cgi?id=112146
  [i915#118]: https://gitlab.freedesktop.org/drm/intel/issues/118
  [i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
  [i915#1226]: https://gitlab.freedesktop.org/drm/intel/issues/1226
  [i915#167]: https://gitlab.freedesktop.org/drm/intel/issues/167
  [i915#173]: https://gitlab.freedesktop.org/drm/intel/issues/173
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#31]: https://gitlab.freedesktop.org/drm/intel/issues/31
  [i915#413]: https://gitlab.freedesktop.org/drm/intel/issues/413
  [i915#454]: https://gitlab.freedesktop.org/drm/intel/issues/454
  [i915#46]: https://gitlab.freedesktop.org/drm/intel/issues/46
  [i915#468]: https://gitlab.freedesktop.org/drm/intel/issues/468
  [i915#644]: https://gitlab.freedesktop.org/drm/intel/issues/644
  [i915#677]: https://gitlab.freedesktop.org/drm/intel/issues/677
  [i915#716]: https://gitlab.freedesktop.org/drm/intel/issues/716
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79
  [i915#899]: https://gitlab.freedesktop.org/drm/intel/issues/899
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95


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

  No changes in participating hosts


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8086 -> Patchwork_16863

  CI-20190529: 20190529
  CI_DRM_8086: 3a1e69684036738b540510ffcc31964600bc0b3f @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5498: 1bb7a25a09fe3e653d310e8bdfbdde4a1934b326 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_16863: 6ead70f0c11098ff77d2e80ec1cf3f94c80a9878 @ 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_16863/index.html
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