Comment 8 for bug 1777674

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Sujith Pandel (sujithpandel) wrote : Re: Ubuntu 18.04 hangs at "kvm: exiting hardware virtualization" on AMD servers

I think I narrowed it down to these:
v4.14 - No issue observed
v4.15-rc-1 - Issue observed

Wherever the issue is observed, if I blacklist or rmmod ahci driver before reboot, no issue is observed (because the SATA ODD is gone now).