Daisy Chaining produces tearing screen

Bug #1487036 reported by Jesper Paardekooper
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Dell Sputnik
Incomplete
Undecided
Unassigned
Linux
New
Undecided
Unassigned

Bug Description

I've bought 2 Dell U2414H screens and daisy chained them to my laptop using the mini display. I had to upgrade the kernel to 4.1.6 and Ubuntu to 15.04 before the daisy chain worked (mirrorring worked fine, but not extending).

So right now I disabled the laptop screen and am running 2 external screens. Sadly the 2nd screen (the one that is daisy chained) has screen tearing when I run it on the highest resolution (1920x1080). When I set it to 1600x900, it works fine. Obviously I really want to use a high resolution on this screen as well.

Revision history for this message
spike speigel (frail-knight) wrote :

I have a Dell XPS 13 9360 Dev Edition laptop with external monitor chained through a USB-C adapter with DVI out. I experience screen tearing running DVD video on my external Samsung monitor with a resolution of 1920x1080.

I am currently running Ubuntu 17.04.

Changed in dell-sputnik:
status: New → Incomplete
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