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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [BDW Regression]igt some pm_pc8 subcases fail"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=75789">75789</a>
          </td>
        </tr>

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

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

        <tr>
          <th>Summary</th>
          <td>[BDW Regression]igt some pm_pc8 subcases fail
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>major
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>huax.lu@intel.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

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

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

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

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=95144" name="attach_95144" title="dmesg">attachment 95144</a> <a href="attachment.cgi?id=95144&action=edit" title="dmesg">[details]</a></span>
dmesg

System Environment:
--------------------------
Platform: Broadwell
kernel: drm-intel-nightly/0dfe3ce67bbd11c5b5e53250b0552ac2f36ac668

Bug detailed description:
---------------------------
Some pm_pc8 subcases fail on Broadwell with -nightly kernel.

The latest known good commit: 42aa254c65fa47fbea38a268814f815166adc056
The latest known bad commit: 072d358bf03d0c39dc83bce0b93801d030d2324f

run ./pm_pc8 --run-subtest debugfs-read
output:
IGT-Version: 1.5-g072d358 (x86_64) (Linux:
3.14.0-rc4_drm-intel-nightly_0dfe3c_20140303+ x86_64)
Runtime PM support: 0
PC8 residency support: 1
Test assertion failure function debugfs_read_subtest, file pm_pc8.c:981:
Last errno: 5, Input/output error
Failed assertion: wait_for_suspended()
Subtest debugfs-read: FAIL

Reproduce steps:
---------------------------- 
1. ./pm_pc8 --run-subtest debugfs-read</pre>
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