Public bug reported: Hi,
On an arm64 Nova compute node, instances will sometimes end up in the Paused state with the following libvirt log : LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin QEMU_AUDIO_DRV=none /usr/bin/qemu-system-aarch64 -name instance-001285c8 -S -machine virt,accel=kvm,usb=off -cpu host -bios /usr/share/qemu-efi/QEMU_EFI.fd -m 8192 -realtime mlock=off -smp 4,sockets=4,cores=1,threads=1 -uuid 353d3da4-da46-48c0-9ed2-4acf940bc61e -nographic -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-001285c8.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew -no-shutdown -boot strict=on -usb -drive file=/var/lib/nova/instances/353d3da4-da46-48c0-9ed2-4acf940bc61e/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=unsafe -device virtio-blk-device,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/var/lib/nova/instances/353d3da4-da46-48c0-9ed2-4acf940bc61e/disk.swap,if=none,id=drive-virtio-disk1,format=qcow2,cache=unsafe -device virtio-blk-device,scsi=off,drive=drive-virti o-disk1,id=virtio-disk1 -netdev tap,fd=24,id=hostnet0,vhost=on,vhostfd=27 -device virtio-net-device,netdev=hostnet0,id=net0,mac=fa:16:3e:55:bb:d8 -serial file:/var/lib/nova/instances/353d3da4-da46-48c0-9ed2-4acf940bc61e/console.log -serial pty -device virtio-balloon-device,id=balloon0 -msg timestamp=on Failed to open module: /usr/lib/aarch64-linux-gnu/qemu/block-curl.so: failed to map segment from shared object: Permission denied Failed to open module: /usr/lib/aarch64-linux-gnu/qemu/block-rbd.so: failed to map segment from shared object: Permission denied char device redirected to /dev/pts/6 (label serial1) 2016-12-02T09:20:48.382852Z qemu-system-aarch64: binding does not support guest notifiers 2016-12-02T09:20:48.383041Z qemu-system-aarch64: unable to start vhost net: 38: falling back on userspace virtio error: kvm run failed Function not implemented PC=000000023faf924c SP=0000000240000020 X00=0000000000000000 X01=000000023fafb064 X02=0000000040000305 X03=0000000000000000 X04=00000000dbadc0de X05=1de7ec7edbadc0de X06=0000000000000004 X07=000000023fa60430 X08=fffffffffffff001 X09=0000000000000400 X10=000000023fb87de8 X11=000000023bdd9a18 X12=00000000a007e03a X13=000000023fdadffc X14=000000023fb87cb8 X15=0000000000000001 X16=0000000000000003 X17=000000000020d0d0 X18=000000001f526ead X19=000000023be36060 X20=000000023be36018 X21=0000000000000010 X22=000000023fb9da38 X23=0000000000000000 X24=0000000000000064 X25=000000004007fb40 X26=0000000000000000 X27=000000004007c278 X28=000000004007c030 X29=0000000000000000 X30=000000023faf9178 PSTATE=60000305 (flags -ZC-) The 2 "qemu-system-aarch64:" lines are also present on successful instances (i.e. instances which don't end up in the Paused state) This is on trusty, with : qemu-system-arm 1:2.3+dfsg-5ubuntu9~ubuntu14.04.1 nova-compute-kvm 1:2015.1.1-0ubuntu2+ppa1 libvirt0 1.2.12-0ubuntu14.4+ppa1 Linux kernel 4.8.0-040800rc8-generic ** Affects: qemu (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1646801 Title: [arm64] kvm run failed Function not implemented To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1646801/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs