DMAR faults with Adaptec 3405 controller.

Issue

• After adding intel_iommu=on in kernel parameter KVM with PCI passthrough is not usable.
• Dmesg contains the below logs after booting with intel_iommu=on,

[    0.669120] PCI-DMA: Intel(R) Virtualization Technology for Directed I/O
[    2.310875] dmar: DMAR:[DMA Write] Request device [02:01.0] fault addr ffbff000 
DMAR:[fault reason 02] Present bit in context entry is clear