Can you test the following kernel and see if it resolves this bug:
http://kernel.ubuntu.com/~jsalisbury/lp1716747/commit-5d99613-reverted/
To test the kernel, you need to install both the linux-image and linux-
image-extra .deb packages.
** Changed in: linux (Ubuntu Artful)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Artful)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
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https://bugs.launchpad.net/bugs/1716747
Title:
linux 4.12 - high system load and mouse delays - pipe A vblank wait
timed out
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