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NVME pass through in th eguest VM

Hi Qemu Team 

i am new in qemu and trying for nvme pass through ..
for that i used  below git repo for nvme 

https://github.com/famz/qemu/tree/nvme

and trying to launch the VM by below qemu command ..

/usr/local/bin/qemu-system-x86_64 -name sl7.0  -m 1024 -object memory-backend-file,id=mem,size=1G,mem-path=/dev/hugepages,share=on -nographic -no-user-config -nodefaults -serial mon:telnet:localhost:7704,server,nowait -monitor mon:telnet:localhost:8804,server,nowait -numa node,memdev=mem -drive file=/home/qemu/qcows,format=qcow2,if=none,id=disk -device ide-hd,drive=disk,bootindex=0 -drive file=nvme://0000:d8:00.0,if=none,id=drive0 -device virtio-blk,drive=drive0,id=virtio0 --enable-kvm

i am getting kernel panic and not proceed further..please help 

PS:-  our guest VM version is 

Scientific Linux 7.0 (Nitrogen)
Kernel 3.10.0-123.el7.x86_64 on an x86_64

Regards
Nitin