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List: freedesktop-xorg
Subject: Re: Disabling kernel dirty updates, not required.
From: Michael Thayer <michael.thayer () oracle ! com>
Date: 2016-06-27 9:37:24
Message-ID: 5770F3D4.80501 () oracle ! com
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Diogo Moitinho de Almeida write:
> I've been having an issue with Xorg and virtualboxes: Xorg suddenly
> becomes
> incredibly unresponsive. Some observations from my own debugging:
> 1. the Xorg log always has the message "Disabling kernel dirty
updates, not
> required." after this starts happening
> 2. killing Xorg and restarting it sometimes solves the issue and other
> times causes the entire virtualbox to not work
> 3. delays of 10+ seconds for even the simplest things (typing in a
terminal
> takes is unresponsive, but ssh-ing into the virtualbox is as
responsive as
> normal)
> 4. the mouse cursor moves responsively, and also updates properly
based on
> what it is supposed to be on top of despite the screen not reflecting
> that
> 5. I've tried different host operating systems (OSX 10.10, OSX 10.11),
> guest operating systems (Archlinux, Ubuntu 16.04), window managers
> (awesome, xmonad)
> 6. it is only sometimes reproducible
> 7. Xorg server is version 1.18.3
I am not subscribed to this list (only to xorg-devel), so I hope this
will go through. Please see VirtualBox ticket #15511<1>. I believe
this is an Xorg problem and have analysed it on that ticket.
Regards,
Michael
<1> https://www.virtualbox.org/ticket/15511
--
Michael Thayer | VirtualBox engineer
ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | D-71384 Weinstadt
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