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I have a notebook with a clean install of Ubuntu 18.04, no updates, no garbage, I formatted my notebook and installed the OS.

Always when do "some things" (I'll explain) i can see in $ htop the process Xorg go to 99% of CPU usage. It is freezing for about 5 seconds and but is necessary to annoy me.

these "things" thats trigges the freeze is:

  • focus / select any Password field, i tested on lock screen, firefox, Steam etc.
  • use any "Fn + button" like Volume + or Volume-, mousepad on / off, etc.
  • use any number of the numpad keyboard
  • I have a mouse Razer naga Classic, and it has a numpad, when I press that's key the so freeze too

I tryed a world of fix i found in the internet like:

  • reconfigure xserver-xorg
  • make the /etc/X11/xorg.conf
  • kill the process
  • uninstall driver nvidia
  • while withouth the nvidia driver, reinstall of Ubuntu-drivers
  • downgrade of the nvidia drivers
  • reconfigure the gdm / gdm3 idk the difference.
  • tryed to use the wayland, but i dont know how
  • tryed Unity, Ubuntu, Ubuntu gnome
  • I notice gnome was some incompatibilities with Remote Access softwares, so I uninstall teamviewer
  • The files ~/.xsession-errors and /var/log/gdm/:0.log not exist
  • The log file of Xorg /var/log/Xorg.0.log not log when i force the freeze

For some additional information:

dmesg output: https://pastebin.com/xjPVe7Fd

Xorg.0.log output: https://pastebin.com/2GnZD0MK

in the end of the day, the problem is alive. I search for some tips for I log or debug this problem

Thanks.

  • The two first file not exist Yah, and the dmesg havent any tip. – Colosau May 27 '18 at 12:02
  • Today i reinstalled the ubuntu 18.04, and the error continues. I'm almost giving up. – Colosau May 28 '18 at 11:10
  • David, the output of dmesg: pastebin.com/xjPVe7Fd the others doest not exist. – Colosau May 30 '18 at 21:28
  • the Modified Date of the Xorg.0.log is not altered when i force the freeze, but the output is here: pastebin.com/2GnZD0MK – Colosau May 31 '18 at 20:10
  • no, and nothing from the /var/log path – Colosau Jun 1 '18 at 12:05

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