Feb 05 09:49:19 archer sddm-greeter[1127]: High-DPI autoscaling not Enabled Feb 05 09:49:19 archer sddm-greeter[1127]: could not connect to display :0 Feb 05 09:49:19 archer sddm-greeter[1127]: Could not load the Qt platform plugin "xcb" in "" even though it was found. Feb 05 09:49:19 archer sddm-greeter[1127]: This application failed to start because no Qt platform plugin could be initialized. Reinstalling the applic> Available platform plugins are: wayland-org.kde.kwin.qpa, eglfs, linuxfb, minimal, minimalegl, offscreen, vn> Feb 05 09:49:19 archer audit[1127]: ANOM_ABEND auid=4294967295 uid=974 gid=974 ses=4294967295 pid=1127 comm="sddm-greeter" exe="/usr/bin/sddm-greeter" > Feb 05 09:49:19 archer audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@1-1129-0 comm="systemd" exe="/usr/> Feb 05 09:49:19 archer systemd[1]: Started Process Core Dump (PID 1129/UID 0). Feb 05 09:49:19 archer systemd-coredump[1118]: Process 1043 (Xorg) of user 0 dumped core. Stack trace of thread 1043: #0 0x00007fe3dca07d7f raise (libc.so.6) #1 0x00007fe3dc9f2672 abort (libc.so.6) #2 0x0000556db6508cda OsAbort (Xorg) #3 0x0000556db63e4664 ddxGiveUp (Xorg) #4 0x0000556db650e7d2 n/a (Xorg) #5 0x0000556db650f615 FatalError (Xorg) #6 0x0000556db6505dce n/a (Xorg) #7 0x00007fe3dcba63c0 __restore_rt (libpthread.so.0) #8 0x00007fe3dca07d7f raise (libc.so.6) #9 0x00007fe3dc9f2672 abort (libc.so.6) #10 0x00007fe3dc9f2548 __assert_fail_base.cold.0 (libc.so.6) #11 0x00007fe3dca00396 __assert_fail (libc.so.6) #12 0x0000556db63be9ff dixRegisterPrivateKey (Xorg) #13 0x00007fe3d226e3fa glamor_init (libglamoregl.so) #14 0x00007fe3d24a078e n/a (modesetting_drv.so) #15 0x0000556db63a0630 AddGPUScreen (Xorg) #16 0x0000556db63ffc3c n/a (Xorg) #17 0x0000556db6405691 n/a (Xorg) #18 0x0000556db64017ed n/a (Xorg) #19 0x0000556db6402170 n/a (Xorg) #20 0x0000556db6506851 n/a (Xorg) #21 0x0000556db64ff6fb WaitForSomething (Xorg) #22 0x0000556db639ffc3 n/a (Xorg) #23 0x0000556db63a4260 n/a (Xorg) #24 0x00007fe3dc9f4223 __libc_start_main (libc.so.6) #25 0x0000556db638df0a _start (Xorg) Stack trace of thread 1062: #0 0x00007fe3dcba1afc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007fe3da494704 n/a (nouveau_dri.so) #2 0x00007fe3da494428 n/a (nouveau_dri.so) #3 0x00007fe3dcb9ba9d start_thread (libpthread.so.0) #4 0x00007fe3dcacbb23 __clone (libc.so.6) Stack trace of thread 1112: #0 0x00007fe3dcba1afc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007fe3da494704 n/a (nouveau_dri.so) #2 0x00007fe3da494428 n/a (nouveau_dri.so) #3 0x00007fe3dcb9ba9d start_thread (libpthread.so.0) #4 0x00007fe3dcacbb23 __clone (libc.so.6) Stack trace of thread 1110: #0 0x00007fe3dcba4edc __lll_lock_wait (libpthread.so.0) #1 0x00007fe3dcb9e336 __pthread_mutex_lock (libpthread.so.0) #2 0x0000556db6503eb0 input_lock (Xorg) #3 0x0000556db6504001 n/a (Xorg) #4 0x00007fe3dcb9ba9d start_thread (libpthread.so.0) #5 0x00007fe3dcacbb23 __clone (libc.so.6) Feb 05 09:49:19 archer sddm-helper[1115]: [PAM] Closing session Feb 05 09:49:19 archer sddm-helper[1115]: [PAM] Ended.