[Bug 109623] *ERROR* [CRTC:39:pipe A] flip_done timed out with DPMS HD Graphics 5500

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109623

--- Comment #2 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Koos Vriezen from comment #0)
> 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}.

Meanwhile, can you add the full dmesg from boot with kernel 4.20?

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