Re: IOMMU+DMAR causing NMIs-s (was: 4.7-rc6: NMI in intel_idle on HP Proliant G6)

[Joerg Roedel]

On Wed, Jul 13, 2016 at 12:16:46PM +0300, Meelis Roos wrote:
> ROM setup settings that might be of interest:
> 
> Advanced memory protection: advanced ecc support
> No-Execute memory protection: enabled
> Intel virtualization technology: enabled
> Intel hyperthreading options: enabled
> Processor core disable: all cored enabled
> Intel turbo boost technology: enabled
> Intel VT-d: enabled
> HP power profile: custom
> HP power regulator: hp dynamic power savings mode (not OS control)
> Intel qpi link power management: enabled
> Minimum processor idle power core state: C6
> Minimum processor idle power package state: C6
> Dynamic power saving mode response: fast
> Collaborative power control: enabled
> MPS table: full table apic
> NMI debug button: enabled
> PCI bus padding options: enabled
> HW prefetcher: enabled
> Adjacent sector prefetch: enabled
> Node interleaving: disabled

AFAICT these settings look normal.

> Nothing in ILO log or integrated management log (IML).

Then I think we need a bisect to make progress here.


	Joerg