Public bug reported: Description of problem: Starting qemu-kvm with '-no-acpi' should fail on systems with nvdimm
Environment: KVM:kvm-next-4.14.0_rc4-61d75077_4ffa88c9_20171113092427 Base OS: Fedora release 25 Guest OS: Fedora release 25 Platform: SKL-2S Reproduce steps: 1.Setup the AEP with 1-1-1 configuration on SKL-2S 2.Install Fedora25 on SKL host with ISO(Image path:http://linux-ftp.sh.intel.com/pub/mirrors/fedora/linux/releases/25/) 3.Create the guest with the command:qemu-system-x86_64 -enable-kvm -smp 8 -m 16G,slots=32,maxmem=96G -cpu host -device virtio-net-pci,netdev=nic0,mac=52:54:00:65:92:66 -netdev tap,id=nic0,script=/etc/kvm/qemu-ifup -drive file=/opt/sector.qcow2,if=virtio,id=virtio-disk0,format=qcow2 -M q35,nvdimm -object memory-backend-file,id=mem1,share,mem-path=/dev/pmem4,size=32G -device nvdimm,memdev=mem1,id=nv1,label-size=128k -no-acpi) Expect result: With no-acpi option, guest shall not be created, qemu report error, no host crash or call trace happens Actual result: Guest could bootup but the no pmem device under the /dev/ Fix is in qemu commit: 8cd91acec8 pc: fail memory hot-plug/unplug with -no-acpi and Q35 machine type ** Affects: xen (Ubuntu) Importance: Undecided Status: New ** Tags: intel -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745689 Title: Disable VM guest boot with '-no-acpi' on nvdimm systems To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1745689/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
