Comment # 11 on bug 1087490 from Borislav Petkov

(In reply to Ralf K�lmel from comment #10)
> The question is for me if both problems (with C1 and C6) are addressed by
> this future microcode update : I need also disable C6, not only setting
> idle=nowait to have a stable system.

How do you disable the C-states? In the BIOS?

Just to make sure I understand it correctly: idle=nomwait *alone* doesn't help?