CentOS7(데스크탑과 테스트서버로사용) 이 하루에 몇 번 정도 먹통이 되요

원인이 뭐고 뭐를 손봐야 할까요?

평소 증상)
마우스가 안움직이고 키보드 안먹히는 증상

아래 로그는 /var/log/messages 입니다.

19일 새벽 12:14분 에 그 증상(마우스 키보드 작동 불가) 또 발생했고요
14분 전부터 의심되는 messages 로그를 다 보여드리면 아래와 같습니다.

Oct 18 23:56:14 localhost journal: _gtk_text_layout_get_block_cursor: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: IA__gtk_text_layout_get_cursor_locations: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 18 23:56:14 localhost journal: _gtk_text_layout_get_block_cursor: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: IA__gtk_text_layout_get_cursor_locations: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 18 23:56:14 localhost journal: _gtk_text_layout_get_block_cursor: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: IA__gtk_text_layout_get_cursor_locations: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 18 23:56:14 localhost journal: _gtk_text_layout_get_block_cursor: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: IA__gtk_text_layout_get_cursor_locations: assertion 'layout != NULL' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 18 23:56:14 localhost journal: gdk_window_invalidate_rect_full: assertion 'GDK_IS_WINDOW (window)' failed
Oct 19 00:00:01 localhost systemd: Created slice User Slice of root.
Oct 19 00:00:01 localhost systemd: Starting User Slice of root.
Oct 19 00:00:01 localhost systemd: Started Session 5 of user root.
Oct 19 00:00:01 localhost systemd: Starting Session 5 of user root.
Oct 19 00:00:01 localhost systemd: Removed slice User Slice of root.
Oct 19 00:00:01 localhost systemd: Stopping User Slice of root.
Oct 19 00:01:01 localhost systemd: Created slice User Slice of root.
Oct 19 00:01:01 localhost systemd: Starting User Slice of root.
Oct 19 00:01:01 localhost systemd: Started Session 6 of user root.
Oct 19 00:01:01 localhost systemd: Starting Session 6 of user root.
Oct 19 00:01:02 localhost systemd: Removed slice User Slice of root.
Oct 19 00:01:02 localhost systemd: Stopping User Slice of root.
Oct 19 00:10:02 localhost systemd: Created slice User Slice of root.
Oct 19 00:10:02 localhost systemd: Starting User Slice of root.
Oct 19 00:10:02 localhost systemd: Started Session 7 of user root.
Oct 19 00:10:02 localhost systemd: Starting Session 7 of user root.
Oct 19 00:10:02 localhost systemd: Removed slice User Slice of root.
Oct 19 00:10:02 localhost systemd: Stopping User Slice of root.

Oct 19 00:10:47 localhost chronyd[846]: Source 2409:11:53c0:200::2:123 replaced with 2001:df1:801:a005:3::1
Oct 19 00:12:39 localhost journal: JS ERROR: Exception in callback for signal: item-drag-end: TypeError: target is null#012_getTweenState@resource:///org/gnome/shell/ui/tweener.js:67#012_wrapTweening@resource:///org/gnome/shell/ui/tweener.js:44#012addTween@resource:///org/gnome/shell/ui/tweener.js:39#012ViewSelector<.fadeIn@resource:///org/gnome/shell/ui/viewSelector.js:591#012wrapper@resource:///org/gnome/gjs/modules/lang.js:178#012ControlsManager<._init/<@resource:///org/gnome/shell/ui/overviewControls.js:448#012_emit@resource:///org/gnome/gjs/modules/signals.js:124#012Overview<.endItemDrag@resource:///org/gnome/shell/ui/overview.js:425#012wrapper@resource:///org/gnome/gjs/modules/lang.js:178#012Overview<._onDragEnd@resource:///org/gnome/shell/ui/overview.js:307#012wrapper@resource:///org/gnome/gjs/modules/lang.js:178#012_emit@resource:///org/gnome/gjs/modules/signals.js:124#012XdndHandler<._onLeave@resource:///org/gnome/shell/ui/xdndHandler.js:45#012wrapper@resource:///org/gnome/gjs/modules/lang.js:178
Oct 19 00:14:39 localhost kernel: nouveau 0000:01:00.0: fifo: read fault at 0006e4d000 engine 1b [CE2] client 18 [GR_CE] reason 02 [PTE] on channel 2 [007fb48000 X[1245]]
Oct 19 00:14:39 localhost kernel: nouveau 0000:01:00.0: fifo: ce2 engine fault on channel 2, recovering...
Oct 19 00:14:49 localhost kernel: [drm:drm_atomic_helper_swap_state [drm_kms_helper]] *ERROR* [CRTC:37:head-0] hw_done timed out
Oct 19 00:14:59 localhost kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:head-0] hw_done timed out
Oct 19 00:15:09 localhost kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:head-0] flip_done timed out
Oct 19 00:15:19 localhost kernel: [drm:drm_atomic_helper_swap_state [drm_kms_helper]] *ERROR* [CRTC:37:head-0] hw_done timed out
Oct 19 00:15:29 localhost kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:head-0] hw_done timed out
Oct 19 00:15:39 localhost kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:head-0] flip_done timed out

이 이후로는 재부팅해서요... 이 후 로그도 필요하시면 말씀 하시면 다시 올려드리겠습니다.

감사합니다.