Fix had been included here: https://git.qemu.org/?p=qemu.git;a=commitdiff;h=332fa82d0963409
** Changed in: qemu Status: New => Fix Released -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1656234 Title: Qemu core dumped if using virtio-net Status in QEMU: Fix Released Bug description: System Environment ======= Qemu commit/branch: e92fbc75 Host OS: RHEL7.2 ia32e Host Kernel: 4.9.0 Guest OS: RHEL7.2 ia32e Guest Kernel: 4.9.0 Bug detailed description ======= While create a kvm guest using virtio-net, the qemu will core dump with showing "Aborted (core dumped)". Reproduce Steps ============== create a guest: qemu-system-x86_64 -enable-kvm -m 4096 -smp 4 -device virtio-net-pci,netdev=nic0,mac=00:16:3e:49:be:24 -netdev tap,id=nic0,script=/etc/kvm/qemu-ifup -drive file=/ia32e_rhel7u2_kvm.qcow2,if=none,id=virtio-disk0 -device virtio-blk-pci,drive=virtio-disk0 -serial file:serial.log Current Result: ============== qemu-system-x86_64: /workspace/ia32e/nightly/kvm-next-20170105-ef85b6-e92fbc/kvm/qemu/hw/virtio/virtio.c:214: virtio_queue_set_notification: Assertion `vq->notification_disabled > 0' failed. Aborted (core dumped) add info ======== [root@hsw-ep2 Desktop]# dmesg |grep -v virbr0 |tail -n 10 [ 1760.265000] device tap0 left promiscuous mode [ 1879.148642] device tap0 entered promiscuous mode [ 1885.213702] kvm [14186]: vcpu0, guest rIP: 0xffffffff81066784 disabled perfctr wrmsr: 0xc2 data 0xffff [ 1912.258783] device tap0 left promiscuous mode [ 1995.972267] device tap0 entered promiscuous mode [ 2001.990207] kvm [14335]: vcpu0, guest rIP: 0xffffffff81066784 disabled perfctr wrmsr: 0xc2 data 0xffff [ 2024.703072] device tap0 left promiscuous mode [ 2145.374239] device tap0 entered promiscuous mode [ 2151.409948] kvm [14541]: vcpu0, guest rIP: 0xffffffff81066784 disabled perfctr wrmsr: 0xc2 data 0xffff [ 2178.281446] device tap0 left promiscuous mode To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1656234/+subscriptions