<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BDW] igt/igt/kms_universal_plane subcase disable-primary-vs-flip-pipe-A causes WARNING: CPU: 0 PID: 29343 at drivers/gpu/drm/i915/intel_display.c:1359 hsw_disable_ips+0x34/0x162 [i915]()"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90209">90209</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[BDW] igt/igt/kms_universal_plane subcase  disable-primary-vs-flip-pipe-A causes WARNING: CPU: 0 PID: 29343 at drivers/gpu/drm/i915/intel_display.c:1359 hsw_disable_ips+0x34/0x162 [i915]()
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </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>yex.tian@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=115390" name="attach_115390" title="dmesg info">attachment 115390</a> <a href="attachment.cgi?id=115390&action=edit" title="dmesg info">[details]</a></span>
dmesg info

==System Environment==       
-----------------------------------------------------
Regression: not sure
Non-working platforms: BDW

==Kernel==
--------------------------------------------------
commit 92bb36c80e561f82b1f4b63cc269a71833137841
Author: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Date:   Fri Apr 24 00:26:53 2015 +0300

    drm-intel-nightly: 2015y-04m-23d-21h-26m-24s UTC integration manifest


==Bug detailed description==
--------------------------------------------------
igt/igt/kms_universal_plane subcase disable-primary-vs-flip-pipe-A causes
WARNING: CPU: 0 PID: 29343 at drivers/gpu/drm/i915/intel_display.c:1359
hsw_disable_ips+0x34/0x162[i915]()

==Output==
--------------------------------------
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./kms_universal_plane --run-subtest disable-primary-vs-flip-pipe-A
IGT-Version: 1.10-gfc69bb0 (x86_64) (Linux:
4.0.0_drm-intel-nightly_92bb36_20150424+ x86_64)
Subtest disable-primary-vs-flip-pipe-A: SUCCESS (0.461s)

==Output dmesg info==
-------------------------------------------------------------------
[ 9291.963111] ------------[ cut here ]------------
[ 9291.963122] WARNING: CPU: 0 PID: 29343 at
drivers/gpu/drm/i915/intel_display.c:1359 hsw_disable_ips+0x34/0x162 [i915]()
[ 9291.963124] plane A assertion failure (expected on, current off)
[ 9291.963125] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support
ppdev snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec snd_hda_core snd_hwdep snd_pcm lpc_ich snd_timer mfd_core snd
soundcore battery parport_pc parport ac acpi_cpufreq i915 button video
drm_kms_helper drm
[ 9291.963138] CPU: 0 PID: 29343 Comm: kms_universal_p Tainted: G        W     
 4.0.0_drm-intel-nightly_92bb36_20150424+ #38
[ 9291.963139]  0000000000000000 0000000000000009 ffffffff81795847
ffff8800028e7de8
[ 9291.963141]  ffffffff8103bd5a ffff8801445a6400 ffffffffa00d17d9
ffff8800028e7e08
[ 9291.963143]  ffff880002d20000 ffff880144bc9000 ffff8800a7e14800
ffff880002d20000
[ 9291.963145] Call Trace:
[ 9291.963148]  [<ffffffff81795847>] ? dump_stack+0x40/0x50
[ 9291.963150]  [<ffffffff8103bd5a>] ? warn_slowpath_common+0x98/0xb0
[ 9291.963161]  [<ffffffffa00d17d9>] ? hsw_disable_ips+0x34/0x162 [i915]
[ 9291.963164]  [<ffffffff8103bdb7>] ? warn_slowpath_fmt+0x45/0x4a
[ 9291.963175]  [<ffffffffa00d17d9>] ? hsw_disable_ips+0x34/0x162 [i915]
[ 9291.963185]  [<ffffffffa009115f>] ? display_crc_ctl_write+0x5d9/0x907 [i915]
[ 9291.963188]  [<ffffffff8111100a>] ? __sb_start_write+0xa5/0xd5
[ 9291.963190]  [<ffffffff8110f29d>] ? vfs_write+0xb0/0x186
[ 9291.963193]  [<ffffffff8110fc0c>] ? SyS_write+0x41/0x84
[ 9291.963195]  [<ffffffff8179b0f2>] ? system_call_fastpath+0x12/0x17
[ 9291.963196] ---[ end trace ddf8f1b5d46177e9 ]---
==Reproduce steps==
----------------------------
1, ./kms_universal_plane --run-subtest disable-primary-vs-flip-pipe-A</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the QA Contact for the bug.</li>
          <li>You are on the CC list for the bug.</li>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>