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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 - Haswell: stuck on render ring"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=87176">87176</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Haswell: stuck on render ring
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>XOrg 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>n.schnelle@gmail.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>I have built new desktop pc with haswell pentium g3420 and integrated graphics.

I get often gpu hangs while web browsing with firefox.

dmesg:
 [drm] stuck on render ring
 [drm] GPU HANG: ecode 0:0x87d3bffa, in kwin [1636], reason: Ring hung, action:
reset
 [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including
userspace.
 [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI ->
DRM/Intel
 [drm] drm/i915 developers can then reassign to the right component if it's not
a kernel issue.
 [drm] The gpu crash dump is required to analyze gpu hangs, so please always
attach it.
 [drm] GPU crash dump saved to /sys/class/drm/card0/error

This happens on Kubuntu 14.04 with kernel 3.18 (3.17 effected too) and latest
drivers from intel graphics installer.</pre>
        </div>
      </p>
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