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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BXT] igt/pm_rc6_residency/rc6-accuracy subtest fail"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=93872">93872</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[BXT] igt/pm_rc6_residency/rc6-accuracy subtest fail
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>DRI git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ramix.ben.hassine@intel.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=121302" name="attach_121302" title="dmesg">attachment 121302</a> <a href="attachment.cgi?id=121302&action=edit" title="dmesg">[details]</a></span>
dmesg

Subtest fail on BXT with last setup:

Setup:
======
Platform: Broxton P A0 Platform
CPU Name : Intel(R) @ 1.2 GHz (family: 6, model: 92, stepping: 8) – 4 cores
SoC : BROXTON-P A0
CRB :  Apollo Lake RVPC1 Fab1 
Reworks : R14, R06C and R16
Monitors: Asus PB287Q (4K), Samsung S24C650

Software:
=========
BIOS (IFWI Version): APLK_IFWI_X64_R_2015_41_5_02 
KSC : 1.02
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.4.0 8114b00 from
<a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a>
drm: tag libdrm-2.4.66 e342c0f from <a href="http://cgit.freedesktop.org/mesa/drm/">http://cgit.freedesktop.org/mesa/drm/</a>
mesa: tag mesa-11.0.8 261daab from <a href="http://cgit.freedesktop.org/mesa/mesa/">http://cgit.freedesktop.org/mesa/mesa/</a>
cairo: tag 1.15.2 db8a7f1 from <a href="http://cgit.freedesktop.org/cairo">http://cgit.freedesktop.org/cairo</a>
waffle: master bb29b2a from <a href="https://github.com/waffle-gl/waffle">https://github.com/waffle-gl/waffle</a>
xorg-server-macros: master d7acec2 from
git://git.freedesktop.org/git/xorg/util/macros
libva: tag libva-1.6.1 cb418f6 from <a href="http://cgit.freedesktop.org/libva/">http://cgit.freedesktop.org/libva/</a>
vaapi-intel-driver: tag 1.6.1 2110b3a from
<a href="http://cgit.freedesktop.org/vaapi/intel-driver">http://cgit.freedesktop.org/vaapi/intel-driver</a>
Tools:
======
intel-gpu-tool: tag intel-gpu-tools-1.13 51e965f from
<a href="http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/">http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/</a>

Steps:
======
./pm_rc6_residency --run-subtest rc6-accuracy

Actual results:
===============
IGT-Version: 1.13-NOT-GIT (x86_64) (Linux: 4.4.0-nightly+ x86_64)
Residency in rc6 or deeper state: 0 ms (sleep duration 3748 ms) (ratio to
expected duration: 0.00)
(pm_rc6_residency:1327) CRITICAL: Test assertion failure function
residency_accuracy, file pm_rc6_residency.c:110:
(pm_rc6_residency:1327) CRITICAL: Failed assertion: ratio > 0.9 && ratio <= 1
(pm_rc6_residency:1327) CRITICAL: Sysfs RC6 residency counter is inaccurate.
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [residency_accuracy+0x86]
  #2 [__real_main192+0x136]
  #3 [main+0x29]
  #4 [__libc_start_main+0xf0]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest rc6-accuracy failed.
**** DEBUG ****
(pm_rc6_residency:1327) DEBUG: Test requirement passed: !(!(rc6_mask &
RC6_ENABLED))
(pm_rc6_residency:1327) INFO: Residency in rc6 or deeper state: 0 ms (sleep
duration 3748 ms) (ratio to expected duration: 0.00)
(pm_rc6_residency:1327) CRITICAL: Test assertion failure function
residency_accuracy, file pm_rc6_residency.c:110:
(pm_rc6_residency:1327) CRITICAL: Failed assertion: ratio > 0.9 && ratio <= 1
(pm_rc6_residency:1327) CRITICAL: Sysfs RC6 residency counter is inaccurate.
****  END  ****
Subtest rc6-accuracy: FAIL (0.003s)

Expected result:
================
test pass</pre>
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