Re: [PATCH v2] Do not reserve crashkernel high memory if crashkernel low memory reserving failed

[Joerg Roedel]

On Wed, Jul 22, 2015 at 04:41:00PM -0700, Yinghai Lu wrote:
> Do you mean BIOS have that disabled with not exposing DMAR table ?
> 
> kernel for RHEL 6 and RHEL7 have them enabled.
> Also opensuse kernel have that enabled too.

You still need to pass intel_iommu=on in the kernel command line to
enable its usage.



	Joerg

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