On Fri, 22 Nov 2019 21:59:28 +0530
Venumadhav Josyula <vjosy...@gmail.com> wrote:

> Hi Alex,
> 
> Pl find the dmesg & cpu model attached.

The CPU supports VT-d (E5-2637v3), but the system firmware does not
seem to provide a DMAR table, which is required for enabling VT-d.
There should be an "ACPI: DMAR ..." line providing location and
information about this table as show for other ACPI tables.  I can only
conclude that VT-d support is not fully or properly enabled in the
BIOS.  Please check the BIOS settings again.  Thanks,

Alex

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