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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - *ERROR* [CRTC:39:pipe A] flip_done timed out with DPMS HD Graphics 5500"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109623#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - *ERROR* [CRTC:39:pipe A] flip_done timed out with DPMS HD Graphics 5500"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109623">bug 109623</a>
from <span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span></b>
<pre>(In reply to Koos Vriezen from <a href="show_bug.cgi?id=109623#c0">comment #0</a>)
<span class="quote">> Hi,
>
> Using a Dell XPS 9343 with an external 4k monitor, when DPMS kicks in, e.g.
> after running `xset dpms 180 0 0`, and monitor goes off, I cannot properly
> get the display back. Using Alt+Ctrl+F2 and waiting a few minutes, I'm able
> to at least proper reboot the laptop. Seen this with kernel 4.20.{0,5,8}.</span >
Meanwhile, can you add the full dmesg from boot with kernel 4.20?</pre>
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