<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height: 1.7;"><span lang="EN-US">Hello</span><span style="font-family: 宋体;">，</span></div><div style="line-height: 1.7;"><span lang="EN-US"> I have realized the IGD passthrough with Intel(R) Core(TM) i7-4770 CPU</span><span style="font-family: 宋体;">，</span><span lang="EN-US">but when I change the platform with the Intel Core i3-6100U</span><span style="font-family: 宋体;">，</span><span lang="EN-US">it doesn’t have any VGA output and windows7 refuses to boot with black screen. </span><span lang="EN-US" class="">This problem has been bothering me for a long time,someone can help me</span><span style="line-height: 1.7;">?</span></div><div style="line-height: 1.7;"><span style="line-height: 1.7;"><br></span></div><div style="line-height: 1.7;"><span lang="EN-US"><b><span lang="EN-US" class="" style="font-size: 14pt;">dmesg:</span></b></span></div><div style="line-height: 23.7999992370605px;"><span lang="EN-US"><div>Sep 12 14:04:39 ruijie-pc kernel: [254939.809585] DMAR: DRHD: handling fault status reg 2</div><div>Sep 12 14:04:39 ruijie-pc kernel: [254939.809592] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr 0</div><div>Sep 12 14:04:39 ruijie-pc kernel: [254939.809592] DMAR:[fault reason 02] Present bit in context entry is clear</div><div>Sep 12 14:10:11 ruijie-pc kernel: [255272.523271] vfio-pci 0000:00:02.0: enabling device (0400 -> 0403)</div><div>Sep 12 14:10:11 ruijie-pc kernel: [255272.627404] vfio_ecap_init: 0000:00:02.0 hiding ecap 0x1b@0x100</div><div>Sep 12 14:10:19 ruijie-pc kernel: [255280.602875] kvm: zapping shadow pages for mmio generation wraparound</div><div><br></div><div><b style="line-height: 23.7999992370605px;"><span lang="EN-US" class="" style="font-size: 14pt;">My environment :</span></b></div><div><div>Intel Core i3-6100U @ 2.30GHz</div><div>Intel Corporation Sky Lake Integrated Graphics </div><div>Ubuntu 16.04 LTS</div><div>Host kernel 4.6.6 x86_64 GNU/Linux</div><div>qemu 2.7.0</div></div></span></div></div><br><br><span title="neteasefooter"><p> </p></span>