Issue no longer occurs with kernel 4.4.0-28-generic. Marking status as
invalid.
** Changed in: xorg (Ubuntu)
Status: Incomplete => Invalid
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David, did this issue not occur in a prior release of Ubuntu?
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https://bugs.launchpad.net/bugs/1585687
Title:
Screen blanks with dual 4k displays when cursor
Not sure if this is related. In 'dmesg -w' I see
[15788.902724] [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU
pipe A FIFO underrun
The first time the mouse cursor enters the laptop display and the screen
blanks. The message does not re-appear upon further mouse enter and
Hi Christopher, After installing nvidia 361 from the unity-control-
center -> software & updates -> Additional Drivers tab, the problem
persists.
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David, to clarify, would installing the following nvidia driver provide
a WORKAROUND via https://launchpad.net/ubuntu/+source/nvidia-graphics-
drivers-361 ?
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
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** Changed in: xorg (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1585687
Title:
Screen blanks with dual 4k displays when cursor
Another datapoint:
After the display is working, I left the computer and returned to the lock
screen. At the lock screen, the internal display blanked when the cursor was
in the window. After logging in, the behavior persisted until I opened
unity-control-center->displays and clicked "apply"
This behavior is correlated with the
All Settings -> Displays "Scale for menu and title bars"
Built in display scale 1.38, External display scale 1: internal display blanks
when cursor enters and reappears when cursor leaves
With 1.38 and 1.38, displays work fine
with 1.25 and 1.25, internal
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