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    <body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [PNV Bisected]igt/gem_exec_big fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88191">bug 88191</a>
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            <th>What</th>
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            <th>Added</th>
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           <td style="text-align:right;">Status</td>
           <td>NEEDINFO
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           <td>NEW
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [PNV Bisected]igt/gem_exec_big fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88191#c10">Comment # 10</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [PNV Bisected]igt/gem_exec_big fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88191">bug 88191</a>
              from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
        <pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=88191#c9">comment #9</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=112001" name="attach_112001" title="Change readl(addr)">attachment 112001</a> <a href="attachment.cgi?id=112001&action=edit" title="Change readl(addr)">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=88191&attachment=112001'>[review]</a> [review]
> Change readl(addr)

> Even more fun.</span >

Test this patch, it still fail.
output:
IGT-Version: 1.9-g1dddf32 (i686) (Linux: 3.19.0-rc4_kcloud_d574c4_20150112+
i686)
Test assertion failure function gem_execbuf, file ioctl_wrappers.c:437:
Failed assertion: ret == 0
Last errno: 28, No space left on device

#df -h
/dev/sda2   145G   88G   50G  64% /</pre>
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