The problem seems to be specific to the monitor I am using. When I switch my guest to be displayed
on my laptop, instead of my AOC U2790VQ 27 inch display, the high gnome-shell CPU usage goes away.
Its seems the larger I make the vbox window on the AOC display, the higher the
gnome-shell usage gets.
If I try 3D Acceleration, I get ghosts copies of a window when I move it (on
the AOC display).
git gui does not work with 3D Acceleration on either display.
I have still not found a way to try disable APIC in vbox (I am using
Version 7.0.8 r156879 (Qt5.15.2) )
P.S.
I have a 16 core machine and currently have the vbox system set to 8 cpus.
On 6/29/23 06:53, Brad Bell wrote:
I have a Fedora Guest on a Windows host and the gnome-shell gets very high CPU usage (top often
reports over 100 %CPU).
Articles on the internet seem to indicate that this is due to using APIC;
e.g.,see
https://ubuntuforums.org/showthread.php?t=1330484
The article above suggests directly editing an XML file and making it read only, but I am not
certain which XML file and this seems like a work around.
I have tried to disable APIC using the GUI and VBoxManage, but Virtual Box seems to keep
re-enabling it no matter what I do. For example, the following command seems to have no effect
(the GUI still reports APIC is enabled).
VBoxManage modifyvm fedora-tst --apic=off
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