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Problem booting from the Windows 2012 R2 image

asked 2016-04-12 23:17:44 +0300

george gravatar image

Hi,

I uploaded your Windows image in my KVM based Juno environment and the instance fails to boot with the "after multiple tries the operating system on your pc failed to start" error.

These are the process details: nova 9957 85.4 0.0 2759856 135760 ? Sl 16:09 0:35 /usr/bin/qemu-system-x8664 -name instance-0000c69a -S -machine pc-i440fx-trusty,accel=kvm,usb=off -cpu kvm64 -m 2048 -realtime mlock=off -smp 2,sockets=2,cores=1,threads=1 -uuid d97dd6cc-4e4f-43a0-800b-a4813aa96547 -smbios type=1,manufacturer=OpenStack Foundation,product=OpenStack Nova,version=2014.2.4,serial=00000000-0000-0000-0000-0cc47a7ac24c,uuid=d97dd6cc-4e4f-43a0-800b-a4813aa96547 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-0000c69a.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew -global kvm-pit.losttick_policy=discard -no-hpet -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/var/lib/nova/instances/d97dd6cc-4e4f-43a0-800b-a4813aa96547/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=writethrough -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,fd=31,id=hostnet0,vhost=on,vhostfd=35 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:a8:98:d5,bus=pci.0,addr=0x3 -chardev file,id=charserial0,path=/var/lib/nova/instances/d97dd6cc-4e4f-43a0-800b-a4813aa96547/console.log -device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1 -device isa-serial,chardev=charserial1,id=serial1 -device usb-tablet,id=input0 -vnc 172.25.4.115:8 -k en-us -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5

If I manually start an instance with the below command, it works fine: root 5467 21.9 1.6 7620680 4237180 pts/12 Rl+ 15:52 3:52 qemu-system-x8664 -enable-kvm -m 4096 -cdrom Win.ISO -drive file=windowsserver2012r2standardevalkvm20151021.qcow2,if=virtio,boot=on -boot d -net nic,model=virtio -nographic -vnc :10

Any idea what the problem might be ?

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answered 2016-04-14 15:14:49 +0300

avladu gravatar image

updated 2016-04-14 15:44:48 +0300

Hello,

A Windows 2012 R2 client does not support this flag: "-cpu kvm64 ".

You can set in the nova.conf, "host-passthrough" to use the host CPU model exactly or "host-model" to make sure it is compatible.

The problem is with the required CPU flags for Windows 2012 R2. As stated here, "Win 8.1 and 2012R2 require the CX16 (CMPXCHG16B) CPU feature, which is not present on Conroe, kvm64, and Opteron_G1."

Thanks, Adrian

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Asked: 2016-04-12 23:17:44 +0300

Seen: 290 times

Last updated: Apr 14 '16