From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Williamson <alex.williamson@redhat.com>
Subject: Re: lightscribe support
Date: Sat, 15 Feb 2014 11:42:23 -0700
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To: Nerijus Baliunas <nerijus@users.sourceforge.net>
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On Sat, 2014-02-15 at 18:26 +0000, Nerijus Baliunas wrote:
> Nerijus Baliunas <nerijus <at> users.sourceforge.net> writes:
> 
> > pci-assign,configfd=26,host=04:00.0,id=hostdev0,bus=pci.0,addr=0x8: No IOMMU
> > found.  Unable to assign device "hostdev0"
> 
> I added intel_iommu=on' to the kernel cmdline, # dmesg|grep -i iommu
> [    0.000000] Command line: ro root=/dev/md0 intel_iommu=on
> [    0.000000] Kernel command line: ro root=/dev/md0 intel_iommu=on
> [    0.000000] Intel-IOMMU: enabled
> 
> But still the same. My CPU is i5-3570K, and I do not see it in
> https://en.wikipedia.org/wiki/List_of_IOMMU-supporting_hardware, so it means
> it cannot be supported?

Correct, most of the unlocked 'K' models do not support VT-d:

http://ark.intel.com/products/65520/Intel-Core-i5-3570K-Processor-6M-Cache-up-to-3_80-GHz