I am using archlinux and after last update, when i have an heavy python script running via cli and some opened page in firefox, I got the GUI frozen and I have to reboot the system.

this is the output of the jourtanctl -b -1

I don’t know how to start

Jul 29 13:30:21 kernel: wlp6s0: AP 98:da:c4:b7:0d:78 changed bandwidth, new used config is 2412.000 MHz, width 2 (2422.000/0 MHz)
Jul 29 13:38:39 systemd[646]: drkonqi-coredump-pickup.service: Service reached runtime time limit. Stopping.
Jul 29 13:38:39 systemd[646]: drkonqi-coredump-pickup.service: Failed with result 'timeout'.
Jul 29 13:38:39 systemd[646]: drkonqi-coredump-pickup.service: Consumed 39ms CPU time, 138.9M memory peak.
Jul 29 13:40:13 kscreenlocker_greet[3241]: qt.gui.imageio: libpng warning: iCCP: known incorrect sRGB profile
Jul 29 13:40:14 plasmashell[893]: file:///usr/share/plasma/plasmoids/org.kde.plasma.keyboardindicator/contents/ui/main.qml:61:13: Unable to assign [undefined] to bool
Jul 29 13:43:19 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:43:19 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:43:21 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:43:21 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:44:53 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:44:53 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:03 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:03 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:03 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:03 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:08 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:08 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:10 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:10 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:11 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:11 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:13 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:13 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:18 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:18 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:18 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:18 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:24 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:24 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:24 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:24 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:33 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:33 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:37 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:37 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:51 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:51 rtkit-daemon[728]: Supervising 9 threads of 6 processes of 1 users.
Jul 29 13:45:53 kernel: i915 0000:00:02.0: [drm] Resetting rcs0 for preemption time out
Jul 29 13:45:53 kernel: i915 0000:00:02.0: [drm] kwin_wayland[693] context reset due to GPU hang
Jul 29 13:45:53 kernel: i915 0000:00:02.0: [drm] GPU HANG: ecode 9:1:859ffffb, in kwin_wayland [693]
Jul 29 13:45:55 kernel: sched: RT throttling activated
Jul 29 13:45:58 kwin_wayland[693]: kwin_wayland_drm: Pageflip timed out! This is a kernel bug