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  1. Bug #1550194
  2. Comment #2

Comment 2 for bug 1550194

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Chih-Hsyuan Ho (chih) wrote :

With Ubuntu 16.04 daily build (2/25) and kernel: 4.4.0-7-generic #22 , tried the following kernel options:

1) acpi=off => OK
2) intel_pstate=disable => Fail to boot
3) intel_idle.max_cstate=0 => OK
4) iommu=off => Fail to boot