On Wed, Jul 13, 2016 at 10:17:59AM +0300, Meelis Roos wrote: > Bisecting kernel configs shows that it's DMAR+IOMMU. When it is > activated, there is high probability of NMI-s in random places.
Hmm, strange. But nothing could really surprise when you have an HP
BIOS.
Can you probably use the faulty config and bisect this down to a
specific commit? In v4.7-rc1 some changes to the iova-allocation code
got merged, but I have no idea how those could cause NMIs.
Thanks,
Joerg
