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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - black screen, X not starting since kernel >=3.15 with Haswell-ULT"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90039#c18">Comment # 18</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - black screen, X not starting since kernel >=3.15 with Haswell-ULT"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90039">bug 90039</a>
from <span class="vcard"><a class="email" href="mailto:conselvan2@gmail.com" title="Ander Conselvan de Oliveira <conselvan2@gmail.com>"> <span class="fn">Ander Conselvan de Oliveira</span></a>
</span></b>
<pre>Looking at your dmesg, it seems X turns off all CRTCs (which is normal
behavior). The odd part is that after that no CRTCs are turned on.
Could you try the latest xorg driver from
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/">http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/</a> ? If that still
doesn't work, could you compile the driver with --debug=full and attach your
Xorg.log again.</pre>
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