From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: IOMMU+DMAR causing NMIs-s (was: 4.7-rc6: NMI in intel_idle on HP Proliant G6) Date: Wed, 13 Jul 2016 11:43:03 +0200 Message-ID: <20160713094303.GL12639@8bytes.org> References: <5630546.0MIYeGNSYG@vostro.rjw.lan> <20160713081817.GJ12639@8bytes.org> <20160713090332.GK12639@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Meelis Roos Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, David Woodhouse , Linux Kernel list List-Id: iommu@lists.linux-foundation.org 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