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    <body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [ivb (optimus) LVDS] Boots to blank screen"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=59726">bug 59726</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">Summary</td>
           <td>i915 boots into a black screen in intel ivybridge in kernel 3.7.x series and 3.8 rc4 in various distros
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           <td>[ivb (optimus) LVDS] Boots to blank screen
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [ivb (optimus) LVDS] Boots to blank screen"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=59726#c3">Comment # 3</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [ivb (optimus) LVDS] Boots to blank screen"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=59726">bug 59726</a>
              from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
        <pre>It looks alive, so I think the issue is the backlight. Can you try

for i in /sys/class/backlight/*; do cat $i/max_brightness > $i/brightness; done</pre>
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