High CPU usage, Mouse flickr
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Hi,
I'm running ubuntu 14.04.3 with latest kernel & Xorg: Code:
giulio@caratinga:~$ uname -r I attach the result of the Linux Support Tool. Thank you |
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I see that there's a new driver coming out, but for the moment it gives me a blank page telling me that the access is denied (see attachment). I'll try again and test it when available.
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Nothing seems to be changed with this new release. Still having high CPU usage from DisplayLinkManager (see attachment) processes and mouse movement still non smooth.
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I also see high CPU usage from DisplayLinkManager
(I'm on Ubuntu 15.10 using the latest DisplayLink driver and a USB3 to DisplayPort adapter) |
Same here, but nobody from DisplayLink seems to reply..
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Standard Ubuntu's graphical environment, Unity, causes the screen to be always reported as modified full screen, regardless of which screen changes.
That means: even if nothing changes on the screen which is connected to a docking station, we are still told by the OS to resend full screen update if anything is happening on other screen (e.g. built-in laptop screen). This gets better in other environments - Gnome3 or KDE for example. I would be interested to see if you experience the same CPU usage if you try other env. Thanks, Michal |
ah, interesting, thanks for the quick reply :)
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Thanks, Michal |
Ubuntu 14.04.3 (Unity), Intel HD Graphics 4000 GPU (driver i915)
Code:
$ lspci | grep VGA |
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