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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 - [BDW]igt@kms_pipe_crc_basic@suspend-read-crc-pipe-? cause dmesg warn"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=96448">96448</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[BDW]igt@kms_pipe_crc_basic@suspend-read-crc-pipe-? cause dmesg warn
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </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>coredump@live.cn
          </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>Meet this in ABAT:
<a href="https://patchwork.freedesktop.org/series/7208/">https://patchwork.freedesktop.org/series/7208/</a>

Platform: ro-bdw-i7-5557U
Error message:

/opt/igt/tests/kms_pipe_crc_basic --run-subtest suspend-read-crc-pipe-A  
dmesg [  389.107576] Suspending console(s) (use no_console_suspend to debug)
[  389.108905] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[  389.111748] sd 0:0:0:0: [sda] Stopping disk
[  389.263721] Broke affinity for irq 23
[  389.263724] Broke affinity for irq 42
[  389.263726] Broke affinity for irq 43
[  389.273575]  cache: parent cpu1 should not be sleeping
[  389.280149]  cache: parent cpu2 should not be sleeping
[  389.285083]  cache: parent cpu3 should not be sleeping
[  389.329483] sd 0:0:0:0: [sda] Starting disk
[  389.845328] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR*
failed to enable link training
[  389.928992] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start
channel equalization

 /opt/igt/tests/kms_pipe_crc_basic --run-subtest suspend-read-crc-pipe-B  
dmesg [  404.434876] Suspending console(s) (use no_console_suspend to debug)
[  404.436248] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[  404.440614] sd 0:0:0:0: [sda] Stopping disk
[  404.596305] Broke affinity for irq 42
[  404.605813]  cache: parent cpu1 should not be sleeping
[  404.612288]  cache: parent cpu2 should not be sleeping
[  404.617202]  cache: parent cpu3 should not be sleeping
[  404.670701] sd 0:0:0:0: [sda] Starting disk
[  405.174083] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR*
failed to enable link training
[  405.257779] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start
channel equalization</pre>
        </div>
      </p>


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