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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Randomly black screen on boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107033#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Randomly black screen on boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107033">bug 107033</a>
from <span class="vcard"><a class="email" href="mailto:manasi.d.navare@intel.com" title="Manasi <manasi.d.navare@intel.com>"> <span class="fn">Manasi</span></a>
</span></b>
<pre>From the logs it looks like the eDP panel is not turned on fully before link
training and so you see the AUX timeouts.
Could you test it with i915.disable_power_well=0 boot parameter?
You can also tell if eDP is on if intel_digital_port_connected() is returning
true at that point where you see aux timeouts.
Manasi</pre>
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