When i start my start my laptop I see a line from 5 or 6 days ..Line is 'Failed to start load kernel module'..Is this serous problem and how to solve this problem?
Well, serious... I would say not really. Some kernel module is not loaded properly. To find out which one it is you might try the following commands and post their output:
sudo systemctl status systemd-modules-load.service
sudo journalctl -u systemd-modules-load.service
Here was somebody else having this problem, so searching the forum can be a good idea sometimes :
An example of how the investigation of "kernel modules failed" issues should be done presented at the following link.
Follow the steps.
this is output of first command
Look here, same output: