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Fedora 29 on my Lenovo thinkpad W540 freezes randomly

I use Fedora 29 on my thinkpad W540. The system freezes randomly and back to normal after a few seconds, I've had this sever times per hours, it's so boring.

I have seen this Bug: #1571330 , but I don't know it will be useful: "try booting with ahci.mobile_lpm_policy=0 kernel command line." I do not know how to do it . please help me , tell me how to do.