Apr  6 15:05:02 G551JX lightdm[3339]: XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
Apr  6 15:05:02 G551JX lightdm[3339]: after 11 requests (11 known processed) with 0 events remaining.
Apr  6 15:05:02 G551JX lightdm[3339]: /sbin/prime-offload: 52: [: Illegal number:
Apr  6 15:05:02 G551JX lightdm[3339]: /sbin/prime-offload: 55: [: Illegal number:
Apr  6 15:05:02 G551JX systemd[1]: Created slice user-119.slice.
Apr  6 15:05:02 G551JX systemd[1]: Started Session c2 of user lightdm.
Apr  6 15:05:03 G551JX org.a11y.atspi.Registry[3429]: ** (at-spi2-registryd:3433): WARNING **: Could not open X display
Apr  6 15:05:03 G551JX lightdm[3339]: /etc/modprobe.d is not a file
Apr  6 15:05:03 G551JX lightdm[3339]: message repeated 3 times: [ /etc/modprobe.d is not a file]
Apr  6 15:05:03 G551JX lightdm[3339]: update-alternatives: error: no alternatives for x86_64-linux-gnu_gfxcore_conf
Apr  6 15:05:03 G551JX systemd[1]: lightdm.service: Main process exited, code=exited, status=1/FAILURE
Apr  6 15:05:03 G551JX systemd[1]: lightdm.service: Unit entered failed state.
Apr  6 15:05:03 G551JX systemd[1]: lightdm.service: Triggering OnFailure= dependencies.