[PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/pm_rpm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
index 65489bcdb..a4f9f783e 100644
--- a/tests/pm_rpm.c
+++ b/tests/pm_rpm.c
@@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
 		teardown_environment();
 
 	igt_subtest("module-reload") {
+		teardown_environment();
+
 		igt_debug("Reload w/o display\n");
 		igt_i915_driver_unload();
 		igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
-- 
2.18.0

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[Intel-gfx] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/pm_rpm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
index 65489bcdb..a4f9f783e 100644
--- a/tests/pm_rpm.c
+++ b/tests/pm_rpm.c
@@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
 		teardown_environment();
 
 	igt_subtest("module-reload") {
+		teardown_environment();
+
 		igt_debug("Reload w/o display\n");
 		igt_i915_driver_unload();
 		igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
-- 
2.18.0

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[igt-dev] ✓ Fi.CI.BAT: success for igt/pm_rpm: Close local fd before trying to unload module

[Patchwork]

== Series Details ==

Series: igt/pm_rpm: Close local fd before trying to unload module
URL   : https://patchwork.freedesktop.org/series/48235/
State : success

== Summary ==

= CI Bug Log - changes from CI_DRM_4669 -> IGTPW_1715 =

== Summary - SUCCESS ==

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/48235/revisions/1/mbox/

== Known issues ==

  Here are the changes found in IGTPW_1715 that come from known issues:

  === IGT changes ===

    ==== Issues hit ====

    igt@drv_selftest@live_hangcheck:
      {fi-skl-iommu}:     PASS -> DMESG-FAIL (fdo#107174, fdo#106560)

    igt@drv_selftest@live_workarounds:
      {fi-cfl-8109u}:     PASS -> DMESG-FAIL (fdo#107292)

    igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b:
      fi-snb-2520m:       PASS -> INCOMPLETE (fdo#103713)

    igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c:
      {fi-icl-u}:         NOTRUN -> DMESG-WARN (fdo#107382) +4

    {igt@kms_psr@primary_mmap_gtt}:
      fi-cnl-psr:         PASS -> DMESG-WARN (fdo#107372)

    {igt@kms_psr@primary_page_flip}:
      {fi-icl-u}:         NOTRUN -> FAIL (fdo#107383) +3

    
    ==== Possible fixes ====

    igt@drv_selftest@live_hangcheck:
      fi-skl-guc:         DMESG-FAIL (fdo#107174) -> PASS

    igt@drv_selftest@live_workarounds:
      fi-cnl-psr:         DMESG-FAIL (fdo#107292) -> PASS
      fi-kbl-7560u:       DMESG-FAIL (fdo#107292) -> PASS

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

  fdo#103713 https://bugs.freedesktop.org/show_bug.cgi?id=103713
  fdo#106560 https://bugs.freedesktop.org/show_bug.cgi?id=106560
  fdo#107174 https://bugs.freedesktop.org/show_bug.cgi?id=107174
  fdo#107292 https://bugs.freedesktop.org/show_bug.cgi?id=107292
  fdo#107372 https://bugs.freedesktop.org/show_bug.cgi?id=107372
  fdo#107382 https://bugs.freedesktop.org/show_bug.cgi?id=107382
  fdo#107383 https://bugs.freedesktop.org/show_bug.cgi?id=107383


== Participating hosts (53 -> 49) ==

  Additional (1): fi-icl-u 
  Missing    (5): fi-ctg-p8600 fi-ilk-m540 fi-byt-squawks fi-bsw-cyan fi-hsw-4200u 


== Build changes ==

    * IGT: IGT_4597 -> IGTPW_1715

  CI_DRM_4669: aea12ded40860145c23f1c1a28a386fb97ae6e4e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_1715: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1715/
  IGT_4597: 347a07ba3d7796f7f701baed1599319fe3fc1958 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1715/issues.html
_______________________________________________
igt-dev mailing list
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Imre Deak]

On Wed, Aug 15, 2018 at 10:25:11AM +0100, Chris Wilson wrote:
> Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>  tests/pm_rpm.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> index 65489bcdb..a4f9f783e 100644
> --- a/tests/pm_rpm.c
> +++ b/tests/pm_rpm.c
> @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
>  		teardown_environment();
>  
>  	igt_subtest("module-reload") {
> +		teardown_environment();
> +

Why isn't the teardown_environment(); under igt_fixture enough?

>  		igt_debug("Reload w/o display\n");
>  		igt_i915_driver_unload();
>  		igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
> -- 
> 2.18.0
> 
> _______________________________________________
> igt-dev mailing list
> igt-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/igt-dev
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Re: [Intel-gfx] [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Imre Deak]

On Wed, Aug 15, 2018 at 10:25:11AM +0100, Chris Wilson wrote:
> Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>  tests/pm_rpm.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> index 65489bcdb..a4f9f783e 100644
> --- a/tests/pm_rpm.c
> +++ b/tests/pm_rpm.c
> @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
>  		teardown_environment();
>  
>  	igt_subtest("module-reload") {
> +		teardown_environment();
> +

Why isn't the teardown_environment(); under igt_fixture enough?

>  		igt_debug("Reload w/o display\n");
>  		igt_i915_driver_unload();
>  		igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
> -- 
> 2.18.0
> 
> _______________________________________________
> igt-dev mailing list
> igt-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/igt-dev
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Quoting Imre Deak (2018-08-15 12:01:31)
> On Wed, Aug 15, 2018 at 10:25:11AM +0100, Chris Wilson wrote:
> > Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > ---
> >  tests/pm_rpm.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> > index 65489bcdb..a4f9f783e 100644
> > --- a/tests/pm_rpm.c
> > +++ b/tests/pm_rpm.c
> > @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
> >               teardown_environment();
> >  
> >       igt_subtest("module-reload") {
> > +             teardown_environment();
> > +
> 
> Why isn't the teardown_environment(); under igt_fixture enough?

Hmm, looks like I thought about it earlier. I guess we leak an fd...
-Chris
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Quoting Imre Deak (2018-08-15 12:01:31)
> On Wed, Aug 15, 2018 at 10:25:11AM +0100, Chris Wilson wrote:
> > Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > ---
> >  tests/pm_rpm.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> > index 65489bcdb..a4f9f783e 100644
> > --- a/tests/pm_rpm.c
> > +++ b/tests/pm_rpm.c
> > @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
> >               teardown_environment();
> >  
> >       igt_subtest("module-reload") {
> > +             teardown_environment();
> > +
> 
> Why isn't the teardown_environment(); under igt_fixture enough?

Hmm, looks like I thought about it earlier. I guess we leak an fd...
-Chris
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[igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Make sure everything we open in setup_environment() is paired to
teardown_environment().

Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/pm_rpm.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
index 65489bcdb..c0212ed70 100644
--- a/tests/pm_rpm.c
+++ b/tests/pm_rpm.c
@@ -717,21 +717,23 @@ out:
 	return wait_for_suspended();
 }
 
-static void restore_environment(void)
+static void teardown_environment(void)
 {
+	close(msr_fd);
+	if (has_pc8)
+		close(pc8_status_fd);
+
+	igt_restore_runtime_pm();
+
 	igt_pm_restore_sata_link_power_management(pm_data);
 	free(pm_data);
-}
 
-static void teardown_environment(void)
-{
-	restore_environment();
 	fini_mode_set_data(&ms_data);
+
 	close(debugfs);
-	drmClose(drm_fd);
-	close(msr_fd);
-	if (has_pc8)
-		close(pc8_status_fd);
+	close(drm_fd);
+
+	has_runtime_pm = false;
 }
 
 static void basic_subtest(void)
-- 
2.18.0

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[igt-dev] ✓ Fi.CI.IGT: success for igt/pm_rpm: Close local fd before trying to unload module

[Patchwork]

== Series Details ==

Series: igt/pm_rpm: Close local fd before trying to unload module
URL   : https://patchwork.freedesktop.org/series/48235/
State : success

== Summary ==

= CI Bug Log - changes from IGT_4597_full -> IGTPW_1715_full =

== Summary - SUCCESS ==

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/48235/revisions/1/mbox/

== Known issues ==

  Here are the changes found in IGTPW_1715_full that come from known issues:

  === IGT changes ===

    ==== Issues hit ====

    igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-shrfb-plflip-blt:
      shard-glk:          PASS -> FAIL (fdo#103167)

    igt@testdisplay:
      shard-glk:          PASS -> INCOMPLETE (fdo#107093, k.org#198133, fdo#103359)

    
    ==== Possible fixes ====

    igt@kms_available_modes_crc@available_mode_test_crc:
      shard-snb:          FAIL (fdo#106641) -> PASS

    igt@kms_busy@extended-modeset-hang-oldfb-render-e:
      shard-snb:          INCOMPLETE (fdo#105411) -> SKIP

    igt@kms_plane@pixel-format-pipe-a-planes:
      shard-snb:          FAIL (fdo#107161) -> PASS

    igt@kms_rotation_crc@primary-rotation-180:
      shard-snb:          FAIL (fdo#103925) -> PASS

    igt@kms_setmode@basic:
      shard-apl:          FAIL (fdo#99912) -> PASS

    
  fdo#103167 https://bugs.freedesktop.org/show_bug.cgi?id=103167
  fdo#103359 https://bugs.freedesktop.org/show_bug.cgi?id=103359
  fdo#103925 https://bugs.freedesktop.org/show_bug.cgi?id=103925
  fdo#105411 https://bugs.freedesktop.org/show_bug.cgi?id=105411
  fdo#106641 https://bugs.freedesktop.org/show_bug.cgi?id=106641
  fdo#107093 https://bugs.freedesktop.org/show_bug.cgi?id=107093
  fdo#107161 https://bugs.freedesktop.org/show_bug.cgi?id=107161
  fdo#99912 https://bugs.freedesktop.org/show_bug.cgi?id=99912
  k.org#198133 https://bugzilla.kernel.org/show_bug.cgi?id=198133


== Participating hosts (5 -> 5) ==

  No changes in participating hosts


== Build changes ==

    * IGT: IGT_4597 -> IGTPW_1715
    * Linux: CI_DRM_4668 -> CI_DRM_4669

  CI_DRM_4668: 8bae517a4dd2ab6ba57b880835fd253e169779f2 @ git://anongit.freedesktop.org/gfx-ci/linux
  CI_DRM_4669: aea12ded40860145c23f1c1a28a386fb97ae6e4e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_1715: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1715/
  IGT_4597: 347a07ba3d7796f7f701baed1599319fe3fc1958 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1715/shards.html
_______________________________________________
igt-dev mailing list
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[igt-dev] ✓ Fi.CI.BAT: success for igt/pm_rpm: Close local fd before trying to unload module (rev2)

[Patchwork]

== Series Details ==

Series: igt/pm_rpm: Close local fd before trying to unload module (rev2)
URL   : https://patchwork.freedesktop.org/series/48235/
State : success

== Summary ==

= CI Bug Log - changes from CI_DRM_4669 -> IGTPW_1717 =

== Summary - SUCCESS ==

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/48235/revisions/2/mbox/

== Known issues ==

  Here are the changes found in IGTPW_1717 that come from known issues:

  === IGT changes ===

    ==== Issues hit ====

    igt@drv_selftest@live_hangcheck:
      fi-bxt-dsi:         PASS -> DMESG-FAIL (fdo#106560)

    igt@drv_selftest@live_workarounds:
      {fi-cfl-8109u}:     PASS -> DMESG-FAIL (fdo#107292)

    igt@kms_chamelium@dp-crc-fast:
      fi-kbl-7500u:       PASS -> DMESG-FAIL (fdo#103841)

    {igt@kms_psr@primary_mmap_gtt}:
      fi-cnl-psr:         PASS -> DMESG-WARN (fdo#107372)

    
    ==== Possible fixes ====

    igt@drv_selftest@live_coherency:
      fi-gdg-551:         DMESG-FAIL (fdo#107164) -> PASS

    igt@drv_selftest@live_hangcheck:
      fi-skl-guc:         DMESG-FAIL (fdo#107174) -> PASS

    igt@drv_selftest@live_workarounds:
      fi-cnl-psr:         DMESG-FAIL (fdo#107292) -> PASS
      fi-kbl-7560u:       DMESG-FAIL (fdo#107292) -> PASS

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

  fdo#103841 https://bugs.freedesktop.org/show_bug.cgi?id=103841
  fdo#106560 https://bugs.freedesktop.org/show_bug.cgi?id=106560
  fdo#107164 https://bugs.freedesktop.org/show_bug.cgi?id=107164
  fdo#107174 https://bugs.freedesktop.org/show_bug.cgi?id=107174
  fdo#107292 https://bugs.freedesktop.org/show_bug.cgi?id=107292
  fdo#107372 https://bugs.freedesktop.org/show_bug.cgi?id=107372


== Participating hosts (53 -> 48) ==

  Missing    (5): fi-ctg-p8600 fi-ilk-m540 fi-byt-squawks fi-bsw-cyan fi-hsw-4200u 


== Build changes ==

    * IGT: IGT_4597 -> IGTPW_1717

  CI_DRM_4669: aea12ded40860145c23f1c1a28a386fb97ae6e4e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_1717: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1717/
  IGT_4597: 347a07ba3d7796f7f701baed1599319fe3fc1958 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1717/issues.html
_______________________________________________
igt-dev mailing list
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[igt-dev] ✓ Fi.CI.IGT: success for igt/pm_rpm: Close local fd before trying to unload module (rev2)

[Patchwork]

== Series Details ==

Series: igt/pm_rpm: Close local fd before trying to unload module (rev2)
URL   : https://patchwork.freedesktop.org/series/48235/
State : success

== Summary ==

= CI Bug Log - changes from IGT_4597_full -> IGTPW_1717_full =

== Summary - SUCCESS ==

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/48235/revisions/2/mbox/

== Known issues ==

  Here are the changes found in IGTPW_1717_full that come from known issues:

  === IGT changes ===

    ==== Issues hit ====

    igt@kms_plane@plane-panning-bottom-right-suspend-pipe-b-planes:
      shard-kbl:          PASS -> INCOMPLETE (fdo#103665)

    igt@kms_vblank@pipe-a-ts-continuation-suspend:
      shard-glk:          PASS -> FAIL (fdo#103375)

    igt@prime_busy@after-bsd1:
      shard-snb:          SKIP -> INCOMPLETE (fdo#105411)

    
    ==== Possible fixes ====

    igt@kms_available_modes_crc@available_mode_test_crc:
      shard-snb:          FAIL (fdo#106641) -> PASS

    igt@kms_busy@extended-modeset-hang-oldfb-render-e:
      shard-snb:          INCOMPLETE (fdo#105411) -> SKIP

    igt@kms_plane@pixel-format-pipe-a-planes:
      shard-snb:          FAIL (fdo#107161) -> PASS

    igt@kms_rotation_crc@primary-rotation-180:
      shard-snb:          FAIL (fdo#103925) -> PASS

    
  fdo#103375 https://bugs.freedesktop.org/show_bug.cgi?id=103375
  fdo#103665 https://bugs.freedesktop.org/show_bug.cgi?id=103665
  fdo#103925 https://bugs.freedesktop.org/show_bug.cgi?id=103925
  fdo#105411 https://bugs.freedesktop.org/show_bug.cgi?id=105411
  fdo#106641 https://bugs.freedesktop.org/show_bug.cgi?id=106641
  fdo#107161 https://bugs.freedesktop.org/show_bug.cgi?id=107161


== Participating hosts (5 -> 5) ==

  No changes in participating hosts


== Build changes ==

    * IGT: IGT_4597 -> IGTPW_1717
    * Linux: CI_DRM_4668 -> CI_DRM_4669

  CI_DRM_4668: 8bae517a4dd2ab6ba57b880835fd253e169779f2 @ git://anongit.freedesktop.org/gfx-ci/linux
  CI_DRM_4669: aea12ded40860145c23f1c1a28a386fb97ae6e4e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_1717: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1717/
  IGT_4597: 347a07ba3d7796f7f701baed1599319fe3fc1958 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1717/shards.html
_______________________________________________
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Quoting Chris Wilson (2018-08-15 12:08:25)
> Make sure everything we open in setup_environment() is paired to
> teardown_environment().

Still more:
pm_rpm:1800) DEBUG: Reload w/o display
(pm_rpm:1800) igt_kmod-DEBUG: Could not remove module i915 (Resource temporarily unavailable)
(pm_rpm:1800) igt_kmod-WARNING: Could not unload i915
(pm_rpm:1800) igt_kmod-INFO: Module		      Used by
(pm_rpm:1800) igt_kmod-INFO: vgem
(pm_rpm:1800) igt_kmod-INFO: snd_hda_codec_hdmi
(pm_rpm:1800) igt_kmod-INFO: x86_pkg_temp_thermal
(pm_rpm:1800) igt_kmod-INFO: coretemp
(pm_rpm:1800) igt_kmod-INFO: i915
(pm_rpm:1800) igt_kmod-INFO: crct10dif_pclmul
(pm_rpm:1800) igt_kmod-INFO: crc32_pclmul
(pm_rpm:1800) igt_kmod-INFO: ghash_clmulni_intel
(pm_rpm:1800) igt_kmod-INFO: snd_hda_codec_realtek
(pm_rpm:1800) igt_kmod-INFO: snd_hda_codec_generic   snd_hda_codec_realtek
(pm_rpm:1800) igt_kmod-INFO: r8169
(pm_rpm:1800) igt_kmod-INFO: mii                     r8169
(pm_rpm:1800) igt_kmod-INFO: snd_hda_codec           snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_codec_realtek
(pm_rpm:1800) igt_kmod-INFO: snd_hwdep               snd_hda_codec
(pm_rpm:1800) igt_kmod-INFO: snd_hda_core            snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_codec_realtek
(pm_rpm:1800) igt_kmod-INFO: mei_me
(pm_rpm:1800) igt_kmod-INFO: snd_pcm                 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_core
(pm_rpm:1800) igt_kmod-INFO: mei                     mei_me
(pm_rpm:1800) igt_kmod-INFO: lpc_ich
(pm_rpm:1800) igt_kmod-INFO: prime_numbers           i915
(pm_rpm:1800) igt_aux-INFO:                 COMM        PID                 Type        UID       GID                  Size                       Filename
(pm_rpm:1800) igt_aux-INFO:               pm_rpm       1800            character          0        44               0 bytes                 /dev/dri/card0

Oh, this will be the at_exit_drm_fd. Grr.
-Chris
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Antonio Argenziano]

On 15/08/18 02:25, Chris Wilson wrote:
> Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>   tests/pm_rpm.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> index 65489bcdb..a4f9f783e 100644
> --- a/tests/pm_rpm.c
> +++ b/tests/pm_rpm.c
> @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
>   		teardown_environment();
>   
>   	igt_subtest("module-reload") {
> +		teardown_environment();

There is already a fixture with a call to 'teardown_environment()' 
surrounding this test, is it missing a couple of subtests groups?

Antonio

> +
>   		igt_debug("Reload w/o display\n");
>   		igt_i915_driver_unload();
>   		igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
> 
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Antonio Argenziano]

On 15/08/18 02:25, Chris Wilson wrote:
> Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>   tests/pm_rpm.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> index 65489bcdb..a4f9f783e 100644
> --- a/tests/pm_rpm.c
> +++ b/tests/pm_rpm.c
> @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
>   		teardown_environment();
>   
>   	igt_subtest("module-reload") {
> +		teardown_environment();

There is already a fixture with a call to 'teardown_environment()' 
surrounding this test, is it missing a couple of subtests groups?

Antonio

> +
>   		igt_debug("Reload w/o display\n");
>   		igt_i915_driver_unload();
>   		igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
> 
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Quoting Antonio Argenziano (2018-08-17 18:29:09)
> 
> 
> On 15/08/18 02:25, Chris Wilson wrote:
> > Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > ---
> >   tests/pm_rpm.c | 2 ++
> >   1 file changed, 2 insertions(+)
> > 
> > diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> > index 65489bcdb..a4f9f783e 100644
> > --- a/tests/pm_rpm.c
> > +++ b/tests/pm_rpm.c
> > @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
> >               teardown_environment();
> >   
> >       igt_subtest("module-reload") {
> > +             teardown_environment();
> 
> There is already a fixture with a call to 'teardown_environment()' 
> surrounding this test, is it missing a couple of subtests groups?

It was intended for sequential execution (and I had forgotten that I had
purposely placed it after the teardown_environment -- the confusion was
caused by teardown_environment being incomplete). Adding a subtest group
for the preceding bunch would have the debatable consequence of module-
reload reporting a FAIL if something else caused a wakeref leak. My
opinion is to prefer SKIP for external artefacts so that it is clear when
a test failed of its own accord (and so be useful for debugging). It just
so happens that this test was to reproduce the trigger for the external
failures elsewhere and so detect the wakeref leak.
-Chris
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Chris Wilson]

Quoting Antonio Argenziano (2018-08-17 18:29:09)
> 
> 
> On 15/08/18 02:25, Chris Wilson wrote:
> > Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > ---
> >   tests/pm_rpm.c | 2 ++
> >   1 file changed, 2 insertions(+)
> > 
> > diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> > index 65489bcdb..a4f9f783e 100644
> > --- a/tests/pm_rpm.c
> > +++ b/tests/pm_rpm.c
> > @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
> >               teardown_environment();
> >   
> >       igt_subtest("module-reload") {
> > +             teardown_environment();
> 
> There is already a fixture with a call to 'teardown_environment()' 
> surrounding this test, is it missing a couple of subtests groups?

It was intended for sequential execution (and I had forgotten that I had
purposely placed it after the teardown_environment -- the confusion was
caused by teardown_environment being incomplete). Adding a subtest group
for the preceding bunch would have the debatable consequence of module-
reload reporting a FAIL if something else caused a wakeref leak. My
opinion is to prefer SKIP for external artefacts so that it is clear when
a test failed of its own accord (and so be useful for debugging). It just
so happens that this test was to reproduce the trigger for the external
failures elsewhere and so detect the wakeref leak.
-Chris
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Antonio Argenziano]

On 17/08/18 10:49, Chris Wilson wrote:
> Quoting Antonio Argenziano (2018-08-17 18:29:09)
>>
>>
>> On 15/08/18 02:25, Chris Wilson wrote:
>>> Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
>>> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
>>> ---
>>>    tests/pm_rpm.c | 2 ++
>>>    1 file changed, 2 insertions(+)
>>>
>>> diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
>>> index 65489bcdb..a4f9f783e 100644
>>> --- a/tests/pm_rpm.c
>>> +++ b/tests/pm_rpm.c
>>> @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
>>>                teardown_environment();
>>>    
>>>        igt_subtest("module-reload") {
>>> +             teardown_environment();
>>
>> There is already a fixture with a call to 'teardown_environment()'
>> surrounding this test, is it missing a couple of subtests groups?
> 
> It was intended for sequential execution (and I had forgotten that I had
> purposely placed it after the teardown_environment -- the confusion was
> caused by teardown_environment being incomplete). Adding a subtest group
> for the preceding bunch would have the debatable consequence of module-
> reload reporting a FAIL if something else caused a wakeref leak. My
> opinion is to prefer SKIP for external artefacts so that it is clear when
> a test failed of its own accord (and so be useful for debugging). It just
> so happens that this test was to reproduce the trigger for the external
> failures elsewhere and so detect the wakeref leak.

Agreed. Maybe a comment would help, your choice.

Reviewed-by: Antonio Argenziano <antonio.argenziano@intel.com>

> -Chris
> 
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Re: [igt-dev] [PATCH i-g-t] igt/pm_rpm: Close local fd before trying to unload module

[Antonio Argenziano]

On 17/08/18 10:49, Chris Wilson wrote:
> Quoting Antonio Argenziano (2018-08-17 18:29:09)
>>
>>
>> On 15/08/18 02:25, Chris Wilson wrote:
>>> Fixes: d8e78990aa2b ("igt/pm_rpm: Test reaquisition of runtime-pm after module reload")
>>> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
>>> ---
>>>    tests/pm_rpm.c | 2 ++
>>>    1 file changed, 2 insertions(+)
>>>
>>> diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
>>> index 65489bcdb..a4f9f783e 100644
>>> --- a/tests/pm_rpm.c
>>> +++ b/tests/pm_rpm.c
>>> @@ -2034,6 +2034,8 @@ int main(int argc, char *argv[])
>>>                teardown_environment();
>>>    
>>>        igt_subtest("module-reload") {
>>> +             teardown_environment();
>>
>> There is already a fixture with a call to 'teardown_environment()'
>> surrounding this test, is it missing a couple of subtests groups?
> 
> It was intended for sequential execution (and I had forgotten that I had
> purposely placed it after the teardown_environment -- the confusion was
> caused by teardown_environment being incomplete). Adding a subtest group
> for the preceding bunch would have the debatable consequence of module-
> reload reporting a FAIL if something else caused a wakeref leak. My
> opinion is to prefer SKIP for external artefacts so that it is clear when
> a test failed of its own accord (and so be useful for debugging). It just
> so happens that this test was to reproduce the trigger for the external
> failures elsewhere and so detect the wakeref leak.

Agreed. Maybe a comment would help, your choice.

Reviewed-by: Antonio Argenziano <antonio.argenziano@intel.com>

> -Chris
> 
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