Solved Very Slow (Laggy) Gnome Desktop

U

usakhncit

Hi
I have just installed Gnome 3 in my system:
Code: 
pkg install gnome-desktop gdm gnome3
But the problem is that Gnome Desktop is very laggy and slow to response. 'top' utility show that gnome-shell is using 120% CPU (don't know how this possible), then it suddenly drops to 0%, then back to 135%, so it is varying very quickly, but using very high CPU. Kindly guide me to solve this problem.
PS: I have tested KDE Plasma and XFCE Desktops, on this laptop and both are working very fine. This laptop has good specs:
Code: 
Hp Pavilion G6 2298SE
Processor: i5 2.5 GHz
RAM: 8 GB
Hard Disk: 750 GB
Thanks
 
SirDice said:
I suspect your Xorg is configured to use scfb(4) or vesa(4). Both are only capable of software rendering and have no hardware acceleration.
Click to expand...
I am using 'intel' driver. Please check following:
Code: 
Section "Device"
        ### Available Driver options are:-
        ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
        ### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
        ### <percent>: "<f>%"
        ### [arg]: arg optional
        #Option     "ShadowFB"                  # [<bool>]
        #Option     "DefaultRefresh"            # [<bool>]
        #Option     "ModeSetClearScreen"        # [<bool>]
        Identifier  "Card0"
#       Driver      "vesa"
        Driver      "intel"
        BusID       "PCI:0:2:0"
EndSection
 
roccobaroccoSC said:
You can verify that by looking into the Xorg log file: /var/log/Xorg.0.log
Click to expand...
Code: 
[root@pc ~]# cat /var/log/Xorg.0.log |grep intel
[    62.119] (II) LoadModule: "intel"
[    62.119] (II) Loading /usr/local/lib/xorg/modules/drivers/intel_drv.so
[    62.207] (II) Module intel: vendor="X.Org Foundation"
[    62.207] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
[    62.207] (II) intel: Driver for Intel(R) HD Graphics
[    62.207] (II) intel: Driver for Intel(R) Iris(TM) Graphics
[    62.207] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics
 
I removed gnome. Then run desktop-installer, and select gnome3-lite from there. Now gnome is working fine.
However, there is another issue, that is gnome-tweak tool and gnome-terminal are not allowing me to make changes. When I click on any button to turn that variable on/off, it does not change. Kindly guide me in this respect.
 
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