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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 --- - GPU hangs randomly during normal use"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=79390">79390</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>GPU hangs randomly during normal use
          </td>
        </tr>

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

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

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

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

        <tr>
          <th>Reporter</th>
          <td>max.amram@gmail.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>XOrg CVS
          </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=100066" name="attach_100066" title="GPU crash dumb i915 /sys/class/drm/card0/error">attachment 100066</a> <a href="attachment.cgi?id=100066&action=edit" title="GPU crash dumb i915 /sys/class/drm/card0/error">[details]</a></span>
GPU crash dumb i915 /sys/class/drm/card0/error

The screen just freezes for 10 sec when I am doing web navigation, or using
flash API on Chromium. I am using 4th gen Intel HD graphic 4000 with Intel(R)
Core(TM) i3-3110M CPU @ 2.40GHz.


Here is the output of Xorg -version :

X.Org X Server 1.15.1
Release Date: 2014-04-13
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.14.0-4-ARCH x86_64 
Current Operating System: Linux lenovo 3.14.4-LENOVO #1 SMP PREEMPT Sat May 24
13:02:10 IDT 2014 x86_64
Kernel command line: \vmlinuz-LENOVO
root=UUID=c0a010e8-96a9-4ffb-9c36-b9946c8b2c1a rw quiet
rootflags=data=writeback pcie_aspm=force irqpoll initrd=/initramfs-LENOVO.img 
Build Date: 14 April 2014  08:39:09AM


Current version of pixman: 0.32.4


NOTE : The i915 drm driver is built-in for this kernel, but i think i
encountered the same issue when it is build as a module.

And here is the crash log

May 29 04:30:40 lenovo kernel: Watchdog[24396]: segfault at 0 ip
00007f0a03af6cf6 sp 00007f09efc7d880 error 6 in chromium[7f09ffec1000+573b000]
May 29 04:30:46 lenovo kernel: [drm] stuck on render ring
May 29 04:30:46 lenovo kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
May 29 04:30:46 lenovo kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
May 29 04:30:46 lenovo kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
May 29 04:30:46 lenovo kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.</pre>
        </div>
      </p>
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