* [Intel-gfx] [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 11:03 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 11:03 UTC (permalink / raw)
To: intel-gfx
Since we want to do a lockless read of the current active request, and
that request is written to by process_csb also without serialisation, we
need to instruct gcc to take care in reading the pointer itself.
Otherwise, we have observed execlists_active() to report 0x40.
[ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
[ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
[ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
[ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
which is impossible!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index bc3b72bfa9e3..7f3cd84982b1 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -102,7 +102,7 @@ execlists_active(const struct intel_engine_execlists *execlists)
{
GEM_BUG_ON(execlists->active - execlists->inflight >
execlists_num_ports(execlists));
- return READ_ONCE(*execlists->active);
+ return *READ_ONCE(execlists->active);
}
static inline void
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 18+ messages in thread* ✓ Fi.CI.BAT: success for drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 11:37 ` Patchwork
0 siblings, 0 replies; 18+ messages in thread
From: Patchwork @ 2019-11-23 11:37 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: drm/i915/gt: Mark the execlists->active as the primary volatile access
URL : https://patchwork.freedesktop.org/series/69928/
State : success
== Summary ==
CI Bug Log - changes from CI_DRM_7409 -> Patchwork_15406
====================================================
Summary
-------
**SUCCESS**
No regressions found.
External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/index.html
Known issues
------------
Here are the changes found in Patchwork_15406 that come from known issues:
### IGT changes ###
#### Issues hit ####
* igt@i915_selftest@live_gem_contexts:
- fi-bsw-n3050: [PASS][1] -> [INCOMPLETE][2] ([fdo# 111542])
[1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-bsw-n3050/igt@i915_selftest@live_gem_contexts.html
[2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/fi-bsw-n3050/igt@i915_selftest@live_gem_contexts.html
#### Possible fixes ####
* igt@i915_module_load@reload-no-display:
- fi-skl-lmem: [DMESG-WARN][3] ([fdo#112261]) -> [PASS][4]
[3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-skl-lmem/igt@i915_module_load@reload-no-display.html
[4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/fi-skl-lmem/igt@i915_module_load@reload-no-display.html
* igt@i915_module_load@reload-with-fault-injection:
- {fi-kbl-7560u}: [INCOMPLETE][5] ([fdo#109964] / [fdo#112298]) -> [PASS][6]
[5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-kbl-7560u/igt@i915_module_load@reload-with-fault-injection.html
[6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/fi-kbl-7560u/igt@i915_module_load@reload-with-fault-injection.html
* igt@kms_addfb_basic@addfb25-y-tiled:
- fi-icl-dsi: [DMESG-WARN][7] ([fdo#106107]) -> [PASS][8]
[7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-icl-dsi/igt@kms_addfb_basic@addfb25-y-tiled.html
[8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/fi-icl-dsi/igt@kms_addfb_basic@addfb25-y-tiled.html
#### Warnings ####
* igt@kms_busy@basic-flip-pipe-b:
- fi-kbl-x1275: [DMESG-WARN][9] ([fdo#103558] / [fdo#105602] / [fdo#105763]) -> [DMESG-WARN][10] ([fdo#103558] / [fdo#105602]) +1 similar issue
[9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-kbl-x1275/igt@kms_busy@basic-flip-pipe-b.html
[10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/fi-kbl-x1275/igt@kms_busy@basic-flip-pipe-b.html
* igt@kms_flip@basic-flip-vs-modeset:
- fi-kbl-x1275: [DMESG-WARN][11] ([fdo#103558] / [fdo#105602]) -> [DMESG-WARN][12] ([fdo#103558] / [fdo#105602] / [fdo#105763]) +6 similar issues
[11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html
[12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html
{name}: This element is suppressed. This means it is ignored when computing
the status of the difference (SUCCESS, WARNING, or FAILURE).
[fdo# 111542]: https://bugs.freedesktop.org/show_bug.cgi?id= 111542
[fdo#103558]: https://bugs.freedesktop.org/show_bug.cgi?id=103558
[fdo#105602]: https://bugs.freedesktop.org/show_bug.cgi?id=105602
[fdo#105763]: https://bugs.freedesktop.org/show_bug.cgi?id=105763
[fdo#106107]: https://bugs.freedesktop.org/show_bug.cgi?id=106107
[fdo#109964]: https://bugs.freedesktop.org/show_bug.cgi?id=109964
[fdo#112261]: https://bugs.freedesktop.org/show_bug.cgi?id=112261
[fdo#112298]: https://bugs.freedesktop.org/show_bug.cgi?id=112298
Participating hosts (50 -> 39)
------------------------------
Missing (11): fi-kbl-soraka fi-ilk-m540 fi-hsw-4200u fi-byt-j1900 fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-hsw-4770 fi-gdg-551 fi-byt-n2820 fi-bdw-samus
Build changes
-------------
* CI: CI-20190529 -> None
* Linux: CI_DRM_7409 -> Patchwork_15406
CI-20190529: 20190529
CI_DRM_7409: a00b5b72443d01a635ab02f55c589aa42ca04bcc @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_5301: 3fa72891269b16943e6511166aeebee094206791 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_15406: d239a9e9d074cd1355f564ef84832f282c46d539 @ git://anongit.freedesktop.org/gfx-ci/linux
== Linux commits ==
d239a9e9d074 drm/i915/gt: Mark the execlists->active as the primary volatile access
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15406/index.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 18+ messages in thread* [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 17:35 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 17:35 UTC (permalink / raw)
To: intel-gfx
Since we want to do a lockless read of the current active request, and
that request is written to by process_csb also without serialisation, we
need to instruct gcc to take care in reading the pointer itself.
Otherwise, we have observed execlists_active() to report 0x40.
[ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
[ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
[ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
[ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
which is impossible!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 2 +-
drivers/gpu/drm/i915/gt/intel_lrc.c | 14 +++++++-------
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index bc3b72bfa9e3..7f3cd84982b1 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -102,7 +102,7 @@ execlists_active(const struct intel_engine_execlists *execlists)
{
GEM_BUG_ON(execlists->active - execlists->inflight >
execlists_num_ports(execlists));
- return READ_ONCE(*execlists->active);
+ return *READ_ONCE(execlists->active);
}
static inline void
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 062dd8ac472a..bbf3c1ab1723 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2186,15 +2186,15 @@ static void process_csb(struct intel_engine_cs *engine)
while (*execlists->active)
execlists_schedule_out(*execlists->active++);
+ set_timeslice(engine);
+
/* switch pending to inflight */
GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
- execlists->active =
- memcpy(execlists->inflight,
- execlists->pending,
- execlists_num_ports(execlists) *
- sizeof(*execlists->pending));
-
- set_timeslice(engine);
+ WRITE_ONCE(execlists->active,
+ memcpy(execlists->inflight,
+ execlists->pending,
+ execlists_num_ports(execlists) *
+ sizeof(*execlists->pending)));
WRITE_ONCE(execlists->pending[0], NULL);
} else {
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 18+ messages in thread* [Intel-gfx] [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 17:35 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 17:35 UTC (permalink / raw)
To: intel-gfx
Since we want to do a lockless read of the current active request, and
that request is written to by process_csb also without serialisation, we
need to instruct gcc to take care in reading the pointer itself.
Otherwise, we have observed execlists_active() to report 0x40.
[ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
[ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
[ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
[ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
which is impossible!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 2 +-
drivers/gpu/drm/i915/gt/intel_lrc.c | 14 +++++++-------
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index bc3b72bfa9e3..7f3cd84982b1 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -102,7 +102,7 @@ execlists_active(const struct intel_engine_execlists *execlists)
{
GEM_BUG_ON(execlists->active - execlists->inflight >
execlists_num_ports(execlists));
- return READ_ONCE(*execlists->active);
+ return *READ_ONCE(execlists->active);
}
static inline void
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 062dd8ac472a..bbf3c1ab1723 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2186,15 +2186,15 @@ static void process_csb(struct intel_engine_cs *engine)
while (*execlists->active)
execlists_schedule_out(*execlists->active++);
+ set_timeslice(engine);
+
/* switch pending to inflight */
GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
- execlists->active =
- memcpy(execlists->inflight,
- execlists->pending,
- execlists_num_ports(execlists) *
- sizeof(*execlists->pending));
-
- set_timeslice(engine);
+ WRITE_ONCE(execlists->active,
+ memcpy(execlists->inflight,
+ execlists->pending,
+ execlists_num_ports(execlists) *
+ sizeof(*execlists->pending)));
WRITE_ONCE(execlists->pending[0], NULL);
} else {
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 17:46 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 17:46 UTC (permalink / raw)
To: intel-gfx
Since we want to do a lockless read of the current active request, and
that request is written to by process_csb also without serialisation, we
need to instruct gcc to take care in reading the pointer itself.
Otherwise, we have observed execlists_active() to report 0x40.
[ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
[ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
[ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
[ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
which is impossible!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 2 +-
drivers/gpu/drm/i915/gt/intel_lrc.c | 6 ++++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index bc3b72bfa9e3..7f3cd84982b1 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -102,7 +102,7 @@ execlists_active(const struct intel_engine_execlists *execlists)
{
GEM_BUG_ON(execlists->active - execlists->inflight >
execlists_num_ports(execlists));
- return READ_ONCE(*execlists->active);
+ return *READ_ONCE(execlists->active);
}
static inline void
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 062dd8ac472a..4adc6c8d02eb 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2186,6 +2186,10 @@ static void process_csb(struct intel_engine_cs *engine)
while (*execlists->active)
execlists_schedule_out(*execlists->active++);
+ /* Point active to the new ELSP; prevent overwriting */
+ WRITE_ONCE(execlists->active, execlists->pending);
+ set_timeslice(engine);
+
/* switch pending to inflight */
GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
execlists->active =
@@ -2194,8 +2198,6 @@ static void process_csb(struct intel_engine_cs *engine)
execlists_num_ports(execlists) *
sizeof(*execlists->pending));
- set_timeslice(engine);
-
WRITE_ONCE(execlists->pending[0], NULL);
} else {
GEM_BUG_ON(!*execlists->active);
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 18+ messages in thread* [Intel-gfx] [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 17:46 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 17:46 UTC (permalink / raw)
To: intel-gfx
Since we want to do a lockless read of the current active request, and
that request is written to by process_csb also without serialisation, we
need to instruct gcc to take care in reading the pointer itself.
Otherwise, we have observed execlists_active() to report 0x40.
[ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
[ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
[ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
[ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
which is impossible!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 2 +-
drivers/gpu/drm/i915/gt/intel_lrc.c | 6 ++++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index bc3b72bfa9e3..7f3cd84982b1 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -102,7 +102,7 @@ execlists_active(const struct intel_engine_execlists *execlists)
{
GEM_BUG_ON(execlists->active - execlists->inflight >
execlists_num_ports(execlists));
- return READ_ONCE(*execlists->active);
+ return *READ_ONCE(execlists->active);
}
static inline void
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 062dd8ac472a..4adc6c8d02eb 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2186,6 +2186,10 @@ static void process_csb(struct intel_engine_cs *engine)
while (*execlists->active)
execlists_schedule_out(*execlists->active++);
+ /* Point active to the new ELSP; prevent overwriting */
+ WRITE_ONCE(execlists->active, execlists->pending);
+ set_timeslice(engine);
+
/* switch pending to inflight */
GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
execlists->active =
@@ -2194,8 +2198,6 @@ static void process_csb(struct intel_engine_cs *engine)
execlists_num_ports(execlists) *
sizeof(*execlists->pending));
- set_timeslice(engine);
-
WRITE_ONCE(execlists->pending[0], NULL);
} else {
GEM_BUG_ON(!*execlists->active);
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 17:49 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 17:49 UTC (permalink / raw)
To: intel-gfx
Since we want to do a lockless read of the current active request, and
that request is written to by process_csb also without serialisation, we
need to instruct gcc to take care in reading the pointer itself.
Otherwise, we have observed execlists_active() to report 0x40.
[ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
[ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
[ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
[ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
which is impossible!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 4 +---
drivers/gpu/drm/i915/gt/intel_lrc.c | 6 ++++--
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index bc3b72bfa9e3..01765a7ec18f 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -100,9 +100,7 @@ execlists_num_ports(const struct intel_engine_execlists * const execlists)
static inline struct i915_request *
execlists_active(const struct intel_engine_execlists *execlists)
{
- GEM_BUG_ON(execlists->active - execlists->inflight >
- execlists_num_ports(execlists));
- return READ_ONCE(*execlists->active);
+ return *READ_ONCE(execlists->active);
}
static inline void
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 062dd8ac472a..4adc6c8d02eb 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2186,6 +2186,10 @@ static void process_csb(struct intel_engine_cs *engine)
while (*execlists->active)
execlists_schedule_out(*execlists->active++);
+ /* Point active to the new ELSP; prevent overwriting */
+ WRITE_ONCE(execlists->active, execlists->pending);
+ set_timeslice(engine);
+
/* switch pending to inflight */
GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
execlists->active =
@@ -2194,8 +2198,6 @@ static void process_csb(struct intel_engine_cs *engine)
execlists_num_ports(execlists) *
sizeof(*execlists->pending));
- set_timeslice(engine);
-
WRITE_ONCE(execlists->pending[0], NULL);
} else {
GEM_BUG_ON(!*execlists->active);
--
2.24.0
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^ permalink raw reply related [flat|nested] 18+ messages in thread* [Intel-gfx] [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 17:49 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 17:49 UTC (permalink / raw)
To: intel-gfx
Since we want to do a lockless read of the current active request, and
that request is written to by process_csb also without serialisation, we
need to instruct gcc to take care in reading the pointer itself.
Otherwise, we have observed execlists_active() to report 0x40.
[ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
[ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
[ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
[ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
which is impossible!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 4 +---
drivers/gpu/drm/i915/gt/intel_lrc.c | 6 ++++--
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index bc3b72bfa9e3..01765a7ec18f 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -100,9 +100,7 @@ execlists_num_ports(const struct intel_engine_execlists * const execlists)
static inline struct i915_request *
execlists_active(const struct intel_engine_execlists *execlists)
{
- GEM_BUG_ON(execlists->active - execlists->inflight >
- execlists_num_ports(execlists));
- return READ_ONCE(*execlists->active);
+ return *READ_ONCE(execlists->active);
}
static inline void
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 062dd8ac472a..4adc6c8d02eb 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2186,6 +2186,10 @@ static void process_csb(struct intel_engine_cs *engine)
while (*execlists->active)
execlists_schedule_out(*execlists->active++);
+ /* Point active to the new ELSP; prevent overwriting */
+ WRITE_ONCE(execlists->active, execlists->pending);
+ set_timeslice(engine);
+
/* switch pending to inflight */
GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
execlists->active =
@@ -2194,8 +2198,6 @@ static void process_csb(struct intel_engine_cs *engine)
execlists_num_ports(execlists) *
sizeof(*execlists->pending));
- set_timeslice(engine);
-
WRITE_ONCE(execlists->pending[0], NULL);
} else {
GEM_BUG_ON(!*execlists->active);
--
2.24.0
_______________________________________________
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https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 18+ messages in thread* Re: [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 18:05 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 18:05 UTC (permalink / raw)
To: intel-gfx
Quoting Chris Wilson (2019-11-23 17:49:46)
> Since we want to do a lockless read of the current active request, and
> that request is written to by process_csb also without serialisation, we
> need to instruct gcc to take care in reading the pointer itself.
>
> Otherwise, we have observed execlists_active() to report 0x40.
>
> [ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
> [ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
> [ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
> [ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
>
> which is impossible!
>
Fixes: df403069029d ("drm/i915/execlists: Lift process_csb() out of the irq-off spinlock")
-Chris
_______________________________________________
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 18+ messages in thread* Re: [Intel-gfx] [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-23 18:05 ` Chris Wilson
0 siblings, 0 replies; 18+ messages in thread
From: Chris Wilson @ 2019-11-23 18:05 UTC (permalink / raw)
To: intel-gfx
Quoting Chris Wilson (2019-11-23 17:49:46)
> Since we want to do a lockless read of the current active request, and
> that request is written to by process_csb also without serialisation, we
> need to instruct gcc to take care in reading the pointer itself.
>
> Otherwise, we have observed execlists_active() to report 0x40.
>
> [ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
> [ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
> [ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
> [ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
>
> which is impossible!
>
Fixes: df403069029d ("drm/i915/execlists: Lift process_csb() out of the irq-off spinlock")
-Chris
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-25 10:51 ` Andi Shyti
0 siblings, 0 replies; 18+ messages in thread
From: Andi Shyti @ 2019-11-25 10:51 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
Hi Chris,
On Sat, Nov 23, 2019 at 05:49:46PM +0000, Chris Wilson wrote:
> Since we want to do a lockless read of the current active request, and
> that request is written to by process_csb also without serialisation, we
> need to instruct gcc to take care in reading the pointer itself.
>
> Otherwise, we have observed execlists_active() to report 0x40.
>
> [ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
> [ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
> [ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
> [ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
>
> which is impossible!
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Andi
_______________________________________________
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https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 18+ messages in thread* Re: [Intel-gfx] [PATCH] drm/i915/gt: Mark the execlists->active as the primary volatile access
@ 2019-11-25 10:51 ` Andi Shyti
0 siblings, 0 replies; 18+ messages in thread
From: Andi Shyti @ 2019-11-25 10:51 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
Hi Chris,
On Sat, Nov 23, 2019 at 05:49:46PM +0000, Chris Wilson wrote:
> Since we want to do a lockless read of the current active request, and
> that request is written to by process_csb also without serialisation, we
> need to instruct gcc to take care in reading the pointer itself.
>
> Otherwise, we have observed execlists_active() to report 0x40.
>
> [ 2400.760381] igt/para-4098 1..s. 2376479300us : process_csb: rcs0 cs-irq head=3, tail=4
> [ 2400.760826] igt/para-4098 1..s. 2376479303us : process_csb: rcs0 csb[4]: status=0x00000001:0x00000000
> [ 2400.761271] igt/para-4098 1..s. 2376479306us : trace_ports: rcs0: promote { b9c59:2622, b9c55:2624 }
> [ 2400.761726] igt/para-4097 0d... 2376479311us : __i915_schedule: rcs0: -2147483648->3, inflight:0000000000000040, rq:ffff888208c1e940
>
> which is impossible!
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Andi
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https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 18+ messages in thread
* ✗ Fi.CI.BAT: failure for drm/i915/gt: Mark the execlists->active as the primary volatile access (rev2)
@ 2019-11-23 17:58 ` Patchwork
0 siblings, 0 replies; 18+ messages in thread
From: Patchwork @ 2019-11-23 17:58 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: drm/i915/gt: Mark the execlists->active as the primary volatile access (rev2)
URL : https://patchwork.freedesktop.org/series/69928/
State : failure
== Summary ==
CI Bug Log - changes from CI_DRM_7409 -> Patchwork_15407
====================================================
Summary
-------
**FAILURE**
Serious unknown changes coming with Patchwork_15407 absolutely need to be
verified manually.
If you think the reported changes have nothing to do with the changes
introduced in Patchwork_15407, 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_15407/index.html
Known issues
------------
Here are the changes found in Patchwork_15407 that come from known issues:
### IGT changes ###
#### Issues hit ####
* igt@i915_selftest@live_hangcheck:
- fi-hsw-4770r: [PASS][1] -> [DMESG-FAIL][2] ([fdo#111991])
[1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-hsw-4770r/igt@i915_selftest@live_hangcheck.html
[2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15407/fi-hsw-4770r/igt@i915_selftest@live_hangcheck.html
[fdo#111991]: https://bugs.freedesktop.org/show_bug.cgi?id=111991
Participating hosts (50 -> 10)
------------------------------
ERROR: It appears as if the changes made in Patchwork_15407 prevented too many machines from booting.
Missing (40): fi-kbl-soraka fi-skl-6770hq fi-bdw-gvtdvm fi-icl-u2 fi-apl-guc fi-icl-u3 fi-icl-y fi-skl-lmem fi-byt-n2820 fi-icl-dsi fi-skl-6600u fi-cml-u2 fi-tgl-u fi-bxt-dsi fi-cml-s fi-bdw-5557u fi-bsw-n3050 fi-byt-j1900 fi-glk-dsi fi-kbl-7500u fi-ctg-p8600 fi-gdg-551 fi-kbl-7560u fi-bsw-nick fi-skl-6700k2 fi-kbl-r fi-ilk-m540 fi-skl-guc fi-cfl-8700k fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-cfl-guc fi-kbl-guc fi-whl-u fi-kbl-x1275 fi-cfl-8109u fi-kbl-8809g fi-bsw-kefka fi-bdw-samus
Build changes
-------------
* CI: CI-20190529 -> None
* Linux: CI_DRM_7409 -> Patchwork_15407
CI-20190529: 20190529
CI_DRM_7409: a00b5b72443d01a635ab02f55c589aa42ca04bcc @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_5301: 3fa72891269b16943e6511166aeebee094206791 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_15407: fd3418e01bf01c11ed3b717f391fe0a5d4f2f5d2 @ git://anongit.freedesktop.org/gfx-ci/linux
== Linux commits ==
fd3418e01bf0 drm/i915/gt: Mark the execlists->active as the primary volatile access
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15407/index.html
_______________________________________________
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^ permalink raw reply [flat|nested] 18+ messages in thread* [Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915/gt: Mark the execlists->active as the primary volatile access (rev2)
@ 2019-11-23 17:58 ` Patchwork
0 siblings, 0 replies; 18+ messages in thread
From: Patchwork @ 2019-11-23 17:58 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: drm/i915/gt: Mark the execlists->active as the primary volatile access (rev2)
URL : https://patchwork.freedesktop.org/series/69928/
State : failure
== Summary ==
CI Bug Log - changes from CI_DRM_7409 -> Patchwork_15407
====================================================
Summary
-------
**FAILURE**
Serious unknown changes coming with Patchwork_15407 absolutely need to be
verified manually.
If you think the reported changes have nothing to do with the changes
introduced in Patchwork_15407, 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_15407/index.html
Known issues
------------
Here are the changes found in Patchwork_15407 that come from known issues:
### IGT changes ###
#### Issues hit ####
* igt@i915_selftest@live_hangcheck:
- fi-hsw-4770r: [PASS][1] -> [DMESG-FAIL][2] ([fdo#111991])
[1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-hsw-4770r/igt@i915_selftest@live_hangcheck.html
[2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15407/fi-hsw-4770r/igt@i915_selftest@live_hangcheck.html
[fdo#111991]: https://bugs.freedesktop.org/show_bug.cgi?id=111991
Participating hosts (50 -> 10)
------------------------------
ERROR: It appears as if the changes made in Patchwork_15407 prevented too many machines from booting.
Missing (40): fi-kbl-soraka fi-skl-6770hq fi-bdw-gvtdvm fi-icl-u2 fi-apl-guc fi-icl-u3 fi-icl-y fi-skl-lmem fi-byt-n2820 fi-icl-dsi fi-skl-6600u fi-cml-u2 fi-tgl-u fi-bxt-dsi fi-cml-s fi-bdw-5557u fi-bsw-n3050 fi-byt-j1900 fi-glk-dsi fi-kbl-7500u fi-ctg-p8600 fi-gdg-551 fi-kbl-7560u fi-bsw-nick fi-skl-6700k2 fi-kbl-r fi-ilk-m540 fi-skl-guc fi-cfl-8700k fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-cfl-guc fi-kbl-guc fi-whl-u fi-kbl-x1275 fi-cfl-8109u fi-kbl-8809g fi-bsw-kefka fi-bdw-samus
Build changes
-------------
* CI: CI-20190529 -> None
* Linux: CI_DRM_7409 -> Patchwork_15407
CI-20190529: 20190529
CI_DRM_7409: a00b5b72443d01a635ab02f55c589aa42ca04bcc @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_5301: 3fa72891269b16943e6511166aeebee094206791 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_15407: fd3418e01bf01c11ed3b717f391fe0a5d4f2f5d2 @ git://anongit.freedesktop.org/gfx-ci/linux
== Linux commits ==
fd3418e01bf0 drm/i915/gt: Mark the execlists->active as the primary volatile access
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15407/index.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 18+ messages in thread
* ✗ Fi.CI.BAT: failure for drm/i915/gt: Mark the execlists->active as the primary volatile access (rev4)
@ 2019-11-23 18:26 ` Patchwork
0 siblings, 0 replies; 18+ messages in thread
From: Patchwork @ 2019-11-23 18:26 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: drm/i915/gt: Mark the execlists->active as the primary volatile access (rev4)
URL : https://patchwork.freedesktop.org/series/69928/
State : failure
== Summary ==
CI Bug Log - changes from CI_DRM_7409 -> Patchwork_15408
====================================================
Summary
-------
**FAILURE**
Serious unknown changes coming with Patchwork_15408 absolutely need to be
verified manually.
If you think the reported changes have nothing to do with the changes
introduced in Patchwork_15408, 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_15408/index.html
Possible new issues
-------------------
Here are the unknown changes that may have been introduced in Patchwork_15408:
### IGT changes ###
#### Possible regressions ####
* igt@i915_selftest@live_requests:
- fi-kbl-guc: [PASS][1] -> [DMESG-FAIL][2]
[1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-kbl-guc/igt@i915_selftest@live_requests.html
[2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-kbl-guc/igt@i915_selftest@live_requests.html
- fi-whl-u: [PASS][3] -> [DMESG-FAIL][4]
[3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-whl-u/igt@i915_selftest@live_requests.html
[4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-whl-u/igt@i915_selftest@live_requests.html
- fi-cfl-guc: [PASS][5] -> [DMESG-FAIL][6]
[5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-cfl-guc/igt@i915_selftest@live_requests.html
[6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-cfl-guc/igt@i915_selftest@live_requests.html
- fi-cfl-8700k: [PASS][7] -> [DMESG-FAIL][8]
[7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-cfl-8700k/igt@i915_selftest@live_requests.html
[8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-cfl-8700k/igt@i915_selftest@live_requests.html
Known issues
------------
Here are the changes found in Patchwork_15408 that come from known issues:
### IGT changes ###
#### Possible fixes ####
* igt@i915_module_load@reload-no-display:
- fi-skl-lmem: [DMESG-WARN][9] ([fdo#112261]) -> [PASS][10]
[9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-skl-lmem/igt@i915_module_load@reload-no-display.html
[10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-skl-lmem/igt@i915_module_load@reload-no-display.html
* igt@kms_addfb_basic@addfb25-y-tiled:
- fi-icl-dsi: [DMESG-WARN][11] ([fdo#106107]) -> [PASS][12]
[11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-icl-dsi/igt@kms_addfb_basic@addfb25-y-tiled.html
[12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-icl-dsi/igt@kms_addfb_basic@addfb25-y-tiled.html
#### Warnings ####
* igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy:
- fi-kbl-x1275: [DMESG-WARN][13] ([fdo#103558] / [fdo#105602] / [fdo#105763]) -> [DMESG-WARN][14] ([fdo#103558] / [fdo#105602]) +7 similar issues
[13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html
[14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html
* igt@kms_pipe_crc_basic@read-crc-pipe-b:
- fi-kbl-x1275: [DMESG-WARN][15] ([fdo#103558] / [fdo#105602]) -> [DMESG-WARN][16] ([fdo#103558] / [fdo#105602] / [fdo#105763]) +6 similar issues
[15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7409/fi-kbl-x1275/igt@kms_pipe_crc_basic@read-crc-pipe-b.html
[16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/fi-kbl-x1275/igt@kms_pipe_crc_basic@read-crc-pipe-b.html
[fdo#103558]: https://bugs.freedesktop.org/show_bug.cgi?id=103558
[fdo#105602]: https://bugs.freedesktop.org/show_bug.cgi?id=105602
[fdo#105763]: https://bugs.freedesktop.org/show_bug.cgi?id=105763
[fdo#106107]: https://bugs.freedesktop.org/show_bug.cgi?id=106107
[fdo#112261]: https://bugs.freedesktop.org/show_bug.cgi?id=112261
Participating hosts (50 -> 38)
------------------------------
Missing (12): fi-kbl-soraka fi-ilk-m540 fi-tgl-u fi-hsw-4200u fi-byt-j1900 fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-gdg-551 fi-icl-y fi-byt-n2820 fi-bdw-samus
Build changes
-------------
* CI: CI-20190529 -> None
* Linux: CI_DRM_7409 -> Patchwork_15408
CI-20190529: 20190529
CI_DRM_7409: a00b5b72443d01a635ab02f55c589aa42ca04bcc @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_5301: 3fa72891269b16943e6511166aeebee094206791 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_15408: 0dc71b833794bfa082fa4f2f8d774965c5f2846f @ git://anongit.freedesktop.org/gfx-ci/linux
== Linux commits ==
0dc71b833794 drm/i915/gt: Mark the execlists->active as the primary volatile access
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15408/index.html
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