Bug 95172

Summary: [KBL] [regression] pm_rpm / debugfs-read fails
Product: DRI Reporter: cprigent <christophe.prigent>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED WORKSFORME QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: major    
Priority: highest CC: intel-gfx-bugs
Version: unspecifiedKeywords: regression
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: KBL i915 features: power/runtime PM
Attachments:
Description Flags
kbl_pm_rpm_debugfs-read_kern.log none

Description cprigent 2016-04-27 13:50:33 UTC
Created attachment 123306 [details]
kbl_pm_rpm_debugfs-read_kern.log

Hardware
Platform: KABY LAKE-U
CPU : Intel(R) Core(TM) @ 2.60GHz
MCP : KBL-U G0 2+2 (ou ULT-G0)
QDF : QYQ8
Chipset PCH: SPT-LP C1
CRB : KABY LAKE U DDR3L RVP7 CRB FAB1

Software
BIOS : KBLSE2R1.R00.X015.B01.1511271314
ME FW : 11.5.0.1008
Ksc (EC FW): 1.20
Linux distribution: Ubuntu 15.10 64 bits
kernel drm-intel-nightly 4.6.0-rc5 e005db1 from http://cgit.freedesktop.org/drm-intel/
  commit e005db1cb2c60d18abe837ac683d8993ea77b239
  Author: Jani Nikula <jani.nikula@intel.com>
  Date:   Tue Apr 26 15:52:20 2016 +0300
  drm-intel-nightly: 2016y-04m-26d-12h-51m-57s UTC integration manifest
  with applied: https://lists.freedesktop.org/archives/intel-gfx/2016-April/094135.html
libdrm 2.4.67-25 cc9a53f from git://git.freedesktop.org/git/mesa/drm
mesa 11.1.2 7bcd827 from git://git.freedesktop.org/git/mesa/mesa
cairo 1.15.2 db8a7f1 from git://git.freedesktop.org/git/cairo
xorg/xserver 1.18.0-274 8437955 from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-634 81029be from git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
vaapi/libva 1.7.0-1 2339d10 from git://git.freedesktop.org/git/vaapi/libva
vaapi/intel-driver 1.7.0-8 2c1bec0 from git://git.freedesktop.org/git/vaapi/intel-driver
DMC 1.01 from https://01.org/linuxgraphics/downloads/kabylake-dmc-1.01
intel-gpu-tool: 1.14 1e9a3ac from http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git

Steps:
------
1. Execute IGT test pm_rpm@debugfs-read with commands:
cd <...>/intel-gpu-tools/tests#
./pm_rpm --run-subtest debugfs-read

Actual result:
--------------
1. Test is fail, with output:
IGT-Version: 1.14-NOT-GIT (x86_64) (Linux: 4.6.0-rc5-patch-dmc-kbl+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
(pm_rpm:3391) CRITICAL: Test assertion failure function debugfs_read_subtest, file pm_rpm.c:893:
(pm_rpm:3391) CRITICAL: Failed assertion: wait_for_suspended()
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [main+0x2355]
  #2 [__libc_start_main+0xf0]
  #3 [_start+0x29]
  #4 [<unknown>+0x29]
Subtest debugfs-read failed.
**** DEBUG ****
(pm_rpm:3391) DEBUG: Test requirement passed: dir
(pm_rpm:3391) CRITICAL: Test assertion failure function debugfs_read_subtest, file pm_rpm.c:893:
(pm_rpm:3391) CRITICAL: Failed assertion: wait_for_suspended()
****  END  ****
Subtest debugfs-read: FAIL (10,324s)

Expected result:
----------------
1. Test is Pass

Info
----
Test was Pass with:
Kernel drm-intel-nightly 4.6.0-rc2 aedfaae from http://cgit.freedesktop.org/drm-intel/
  commit aedfaaef290af9c8df7d9f4adf22cbe21704d091
  Author: Tvrtko Ursulin tvrtko.ursulin@intel.com
  Date: Mon Apr 4 14:10:49 2016 +0100
  drm-intel-nightly: 2016y-04m-04d-13h-09m-54s UTC integration manifest
libdrm-2.4.67-11 ea78c17 from git://anongit.freedesktop.org/mesa/drm
cairo: 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
intel-gpu-tools-1.14 1a50172 from http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git
Comment 1 yann 2016-04-29 12:12:05 UTC
Milestone criteria blocker so increasing priority
Comment 2 cprigent 2016-05-13 09:05:36 UTC
Not reproduced with last setup

kernel drm-intel-nightly 4.6.0-rc7 61f856f from http://cgit.freedesktop.org/drm-intel/
  commit 61f856faa1e6ff9dddad214be1e372e8aacfc0f4
  Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
  Date:   Mon May 9 19:24:21 2016 +0300
  drm-intel-nightly: 2016y-05m-09d-16h-24m-01s UTC integration manifest
libdrm-2.4.68 fc09c5a from git://anongit.freedesktop.org/mesa/drm
cairo: 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
IGT 1.14 cc24755 from http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git

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