Xorg зависает после смены TTY

Имеем:
Machine:   Type: Laptop System: ASUSTeK product: N550JV v: 1.0 serial: N/A
           Mobo: ASUSTeK model: N550JV v: 1.0 serial: N/A UEFI: American Megatrends v: N550JV.208
           date: 11/19/2013
Graphics:  Card-1: Intel 4th Gen Core Processor Integrated Graphics driver: i915 v: kernel
           Card-2: NVIDIA GK107M [GeForce GT 750M] driver: N/A
           Display: x11 server: X.Org 1.19.6 driver: intel resolution: 1920x1080~60Hz, 1920x1080~60Hz
           OpenGL: renderer: Mesa DRI Intel Haswell Mobile v: 4.5 Mesa 18.0.1

Проблема:
После смены TTY xorg начинает жрать безбожно процессор, все виснет...выручает только hard reset

В логах xorg ошибок нет( куда копать?
определил что проблема в том что он переинициализирует все устройства, можно повторить и без смены tty, а именно отключить usb рессивер блютуф мышки и подключить обратно
лицезрею ту же симптоматику, CPU жрет минуты две, потом все приходит в русло
в логах всё ок(
	Информация	[    80.571] (II) event6  - Compx 2.4G Receiver: device removed
	Информация	[    80.611] (II) UnloadModule: "libinput"
	Информация	[    80.728] (II) config/udev: removing device Compx 2.4G Receiver
	Информация	[    80.731] (II) UnloadModule: "libinput"
	Информация	[    80.731] (II) config/udev: removing device Compx 2.4G Receiver
	Информация	[    80.731] (II) event7  - Compx 2.4G Receiver: device removed
	Информация	[    80.771] (II) UnloadModule: "libinput"
	Информация	[    92.175] (II) config/udev: Adding input device Compx 2.4G Receiver (/dev/input/mouse0)
	Информация	[    92.175] (**) Compx 2.4G Receiver: Applying InputClass "system-keyboard"
	Информация	[    92.175] (II) No input driver specified, ignoring this device.
	Информация	[    92.175] (II) This device may have been added with another device file.
	Информация	[    92.197] (II) config/udev: Adding input device Compx 2.4G Receiver (/dev/input/event6)
	Информация	[    92.197] (**) Compx 2.4G Receiver: Applying InputClass "evdev keyboard catchall"
	Информация	[    92.197] (**) Compx 2.4G Receiver: Applying InputClass "libinput keyboard catchall"
	Информация	[    92.197] (**) Compx 2.4G Receiver: Applying InputClass "system-keyboard"
	Информация	[    92.197] (II) Using input driver 'libinput' for 'Compx 2.4G Receiver'
	Информация	[    92.197] (**) Compx 2.4G Receiver: always reports core events
	Информация	[    92.197] (**) Option "Device" "/dev/input/event6"
	Информация	[    92.197] (**) Option "_source" "server/udev"
	Информация	[    92.198] (II) event6  - Compx 2.4G Receiver: is tagged by udev as: Keyboard
	Информация	[    92.198] (II) event6  - Compx 2.4G Receiver: device is a keyboard
	Информация	[    92.198] (II) event6  - Compx 2.4G Receiver: device removed
	Информация	[    92.223] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.0/0003:25A7:FA61.0003/input/input26/event6"
	Информация	[    92.223] (II) XINPUT: Adding extended input device "Compx 2.4G Receiver" (type: KEYBOARD, id 11)
	Информация	[    92.223] (**) Option "xkb_model" "asus_laptop"
	Информация	[    92.223] (**) Option "xkb_layout" "us,ru"
	Информация	[    92.223] (**) Option "xkb_variant" ","
	Информация	[    92.224] (II) event6  - Compx 2.4G Receiver: is tagged by udev as: Keyboard
	Информация	[    92.224] (II) event6  - Compx 2.4G Receiver: device is a keyboard
	Информация	[    92.225] (II) config/udev: Adding input device Compx 2.4G Receiver (/dev/input/event7)
	Информация	[    92.225] (**) Compx 2.4G Receiver: Applying InputClass "evdev pointer catchall"
	Информация	[    92.225] (**) Compx 2.4G Receiver: Applying InputClass "evdev keyboard catchall"
	Информация	[    92.225] (**) Compx 2.4G Receiver: Applying InputClass "libinput pointer catchall"
	Информация	[    92.225] (**) Compx 2.4G Receiver: Applying InputClass "libinput keyboard catchall"
	Информация	[    92.225] (**) Compx 2.4G Receiver: Applying InputClass "system-keyboard"
	Информация	[    92.225] (II) Using input driver 'libinput' for 'Compx 2.4G Receiver'
	Информация	[    92.225] (**) Compx 2.4G Receiver: always reports core events
	Информация	[    92.225] (**) Option "Device" "/dev/input/event7"
	Информация	[    92.225] (**) Option "_source" "server/udev"
	Информация	[    92.225] (II) event7  - Compx 2.4G Receiver: is tagged by udev as: Keyboard Mouse
	Информация	[    92.225] (II) event7  - Compx 2.4G Receiver: device is a pointer
	Информация	[    92.225] (II) event7  - Compx 2.4G Receiver: device is a keyboard
	Информация	[    92.225] (II) event7  - Compx 2.4G Receiver: device removed
	Информация	[    92.263] (II) libinput: Compx 2.4G Receiver: needs a virtual subdevice
	Информация	[    92.263] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.1/0003:25A7:FA61.0004/input/input27/event7"
	Информация	[    92.263] (II) XINPUT: Adding extended input device "Compx 2.4G Receiver" (type: MOUSE, id 12)
	Информация	[    92.263] (**) Option "AccelerationScheme" "none"
	Информация	[    92.264] (**) Compx 2.4G Receiver: (accel) selected scheme none/0
	Информация	[    92.264] (**) Compx 2.4G Receiver: (accel) acceleration factor: 2.000
	Информация	[    92.264] (**) Compx 2.4G Receiver: (accel) acceleration threshold: 4
	Информация	[    92.264] (II) event7  - Compx 2.4G Receiver: is tagged by udev as: Keyboard Mouse
	Информация	[    92.264] (II) event7  - Compx 2.4G Receiver: device is a pointer
	Информация	[    92.264] (II) event7  - Compx 2.4G Receiver: device is a keyboard
	Информация	[    92.265] (**) Compx 2.4G Receiver: Applying InputClass "evdev pointer catchall"
	Информация	[    92.265] (**) Compx 2.4G Receiver: Applying InputClass "evdev keyboard catchall"
	Информация	[    92.265] (**) Compx 2.4G Receiver: Applying InputClass "libinput pointer catchall"
	Информация	[    92.265] (**) Compx 2.4G Receiver: Applying InputClass "libinput keyboard catchall"
	Информация	[    92.265] (**) Compx 2.4G Receiver: Applying InputClass "system-keyboard"
	Информация	[    92.265] (II) Using input driver 'libinput' for 'Compx 2.4G Receiver'
	Информация	[    92.265] (**) Compx 2.4G Receiver: always reports core events
	Информация	[    92.265] (**) Option "Device" "/dev/input/event7"
	Информация	[    92.265] (**) Option "_source" "_driver/libinput"
	Информация	[    92.265] (II) libinput: Compx 2.4G Receiver: is a virtual subdevice
	Информация	[    92.265] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.1/0003:25A7:FA61.0004/input/input27/event7"
	Информация	[    92.265] (II) XINPUT: Adding extended input device "Compx 2.4G Receiver" (type: KEYBOARD, id 17)
	Информация	[    92.265] (**) Option "xkb_model" "asus_laptop"
	Информация	[    92.265] (**) Option "xkb_layout" "us,ru"
	Информация	[    92.265] (**) Option "xkb_variant" ","
 
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