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Unable to boot into Magia 8 with kernel 5.13.4 and Nvidia driver 390.143 (64-bit on i7). Reports Light Display Manager could not start.

Tries to start several times...

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Aug 06 23:45:55 localhost systemd[1]: Finished Shorewall IPv6 firewall.
Aug 06 23:45:55 localhost systemd[1]: lightdm.service: Main process exited, code=exited, status=1/FAILURE
Aug 06 23:45:55 localhost systemd[1]: lightdm.service: Failed with result 'exit-code'.
Aug 06 23:45:55 localhost systemd[1]: lightdm.service: Scheduled restart job, restart counter is at 1.
Aug 06 23:45:55 localhost systemd[1]: Stopped Light Display Manager.
Aug 06 23:45:55 localhost systemd[1]: Starting Light Display Manager...
Aug 06 23:45:55 localhost systemd[1]: Started Light Display Manager.
Aug 06 23:45:55 localhost acpid[1002]: client 1744[0:0] has disconnected
Aug 06 23:45:55 localhost acpid[1002]: client connected from 2067[0:0]
Aug 06 23:45:55 localhost acpid[1002]: 1 client rule loaded
Aug 06 23:45:55 localhost systemd[1]: lightdm.service: Main process exited, code=exited, status=1/FAILURE
Aug 06 23:45:55 localhost systemd[1]: lightdm.service: Failed with result 'exit-code'.
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Scheduled restart job, restart counter is at 2.
Aug 06 23:45:56 localhost systemd[1]: Stopped Light Display Manager.
Aug 06 23:45:56 localhost systemd[1]: Starting Light Display Manager...
Aug 06 23:45:56 localhost systemd[1]: Started Light Display Manager.
Aug 06 23:45:56 localhost acpid[1002]: client 2067[0:0] has disconnected
Aug 06 23:45:56 localhost acpid[1002]: client connected from 2083[0:0]
Aug 06 23:45:56 localhost acpid[1002]: 1 client rule loaded
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Main process exited, code=exited, status=1/FAILURE
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Failed with result 'exit-code'.
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Scheduled restart job, restart counter is at 3.
Aug 06 23:45:56 localhost systemd[1]: Stopped Light Display Manager.
Aug 06 23:45:56 localhost systemd[1]: Starting Light Display Manager...
Aug 06 23:45:56 localhost systemd[1]: Started Light Display Manager.
Aug 06 23:45:56 localhost acpid[1002]: client 2083[0:0] has disconnected
Aug 06 23:45:56 localhost acpid[1002]: client connected from 2092[0:0]
Aug 06 23:45:56 localhost acpid[1002]: 1 client rule loaded
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Main process exited, code=exited, status=1/FAILURE
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Failed with result 'exit-code'.
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Scheduled restart job, restart counter is at 4.
Aug 06 23:45:56 localhost systemd[1]: Stopped Light Display Manager.
Aug 06 23:45:56 localhost systemd[1]: Starting Light Display Manager...
Aug 06 23:45:56 localhost systemd[1]: Started Light Display Manager.
Aug 06 23:45:56 localhost acpid[1002]: client 2092[0:0] has disconnected
Aug 06 23:45:56 localhost acpid[1002]: client connected from 2101[0:0]
Aug 06 23:45:56 localhost acpid[1002]: 1 client rule loaded
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Main process exited, code=exited, status=1/FAILURE
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Failed with result 'exit-code'.
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Scheduled restart job, restart counter is at 5.
Aug 06 23:45:56 localhost systemd[1]: Stopped Light Display Manager.
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Start request repeated too quickly.
Aug 06 23:45:56 localhost systemd[1]: lightdm.service: Failed with result 'exit-code'.
Aug 06 23:45:56 localhost systemd[1]: Failed to start Light Display Manager.


Nouveau X driver not working reliably either. Internet search reports issues with Nvidia 390 and kernel 5.13.

Switched to kernel 5.10.52 and everything is fine.

Can you please post the output as root of

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rpm -qa|grep -iE "kernel|nvidia"|sort
dkms status

I can report that this problem is not present in kernel 5.15.4 (and Mageia 8, Nvidia 390.144).

I stuck with kernel 5.10 up to 5.10.78 but latest kernel update to 5.15.4 is working fine with Nvidia graphics and this can be closed.
Thank you.

That is great!
Thank you for the confirmation.