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Date: Wed, 11 Feb 2015 12:25:12 +0100
From: Hans Petter Selasky <hps@selasky.org>
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To: Beeblebrox <zaphod@berentweb.com>, freebsd-current@freebsd.org
Subject: Re: Some unresolved but important X.org problems
References: <20150211132039.42665673@rsbsd.rsb>
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On 02/11/15 12:20, Beeblebrox wrote:
> 5. An update about a month ago is causing problems with /dev/ums0 on Desktop (not vt). When I move the mouse it sometimes gets stuck on a menu item of a program or an item on the Browser (for example a result in google search). I have to move the mouse and repeat the previous action in order to get it unstuck. Sticky lasts about 1/5 of a second.

Hi,

The drm2.ko graphics driver has some hard spinning loops, which may be 
the cause of the problems you are seeing and not actually /dev/ums0. Are 
any error messages printed in "dmesg" ?

--HPS