Intel AMT for IP KVM and Linux

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Submitted by raf on Mon, 06/09/2014 - 22:37

Followed the directions in, to enable direct VNC access (IP KVM like). Everything worked well while a monitor was physically connected.

However, once the monitor was no longer connected, Linux disabled all display output, and VNC only showed a black screen. Took some time to find the right kernel command line parameter to force output:


Note the "e", which force enables the output.

Still trying to figure out how to get VT-d working on a Gigabyte Q87M-D2H motherboard. When I enable the IO-MMU (kernel command line "intel_iommu=on"), the kernel boots and the IO MMU is detected, but none of the network interfaces work (the NIC can receive packets, but not send?).