From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:56319) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvrOX-0002zg-An for qemu-devel@nongnu.org; Thu, 17 Jan 2013 10:28:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TvrOV-0007oB-Qa for qemu-devel@nongnu.org; Thu, 17 Jan 2013 10:28:45 -0500 Received: from mx1.redhat.com ([209.132.183.28]:24509) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvrOV-0007o5-HA for qemu-devel@nongnu.org; Thu, 17 Jan 2013 10:28:43 -0500 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r0HFSgmP020145 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 17 Jan 2013 10:28:43 -0500 Date: Thu, 17 Jan 2013 13:28:48 -0200 From: Luiz Capitulino Message-ID: <20130117132848.74cf0e57@doriath.home> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] kvm_virtio_pci_irqfd_release: Assertion `ret == 0' failed List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: mst@redhat.com Cc: qemu-devel Hi Michael, To trigger this I just: 1. Boot the VM, command-line: # ./qemu -drive file=disks/test.img,if=virtio,cache=none,aio=native \ -enable-kvm -m 1G -monitor stdio \ -netdev type=tap,vhost=on,id=guest0,script=qemu-ifup-switch \ -device virtio-net-pci,netdev=guest0 -cpu host 2. Once the VM is fully booted: QEMU 1.3.50 monitor - type 'help' for more information (qemu) q qemu-qmp: /home/lcapitulino/work/src/qmp-unstable/hw/virtio-pci.c:535: kvm_virtio_pci_irqfd_release: Assertion `ret == 0' failed. ~/work/virt/ Seems to be related with your latest pull request (commit 8e9a8681). Backtrace: (gdb) bt #0 0x00007fa3dee67285 in raise () from /lib64/libc.so.6 #1 0x00007fa3dee68b9b in abort () from /lib64/libc.so.6 #2 0x00007fa3dee5fe9e in __assert_fail_base () from /lib64/libc.so.6 #3 0x00007fa3dee5ff42 in __assert_fail () from /lib64/libc.so.6 #4 0x00007fa3e1522260 in kvm_virtio_pci_irqfd_release (proxy=0x7fa3e41a9440, queue_no=2, vector=1) at /home/lcapitulino/work/src/qmp-unstable/hw/virtio-pci.c:535 #5 0x00007fa3e15224da in kvm_virtio_pci_vector_release (proxy=0x7fa3e41a9440, nvqs=2) at /home/lcapitulino/work/src/qmp-unstable/hw/virtio-pci.c:605 #6 0x00007fa3e1522c87 in virtio_pci_set_guest_notifiers (d=0x7fa3e41a9440, nvqs=2, assign=false) at /home/lcapitulino/work/src/qmp-unstable/hw/virtio-pci.c:785 #7 0x00007fa3e1613c15 in vhost_dev_stop (hdev=0x7fa3e3a89720, vdev=0x7fa3e4444810) at /home/lcapitulino/work/src/qmp-unstable/hw/vhost.c:1027 #8 0x00007fa3e16143ca in vhost_net_stop (net=0x7fa3e3a89720, dev=0x7fa3e4444810) at /home/lcapitulino/work/src/qmp-unstable/hw/vhost_net.c:194 #9 0x00007fa3e1617714 in virtio_net_vhost_status (n=0x7fa3e4444810, status=7 '\a') at /home/lcapitulino/work/src/qmp-unstable/hw/virtio-net.c:137 #10 0x00007fa3e161778b in virtio_net_set_status (vdev=0x7fa3e4444810, status=7 '\a') at /home/lcapitulino/work/src/qmp-unstable/hw/virtio-net.c:146 #11 0x00007fa3e161792b in virtio_net_set_link_status (nc=0x7fa3e41a45c0) at /home/lcapitulino/work/src/qmp-unstable/hw/virtio-net.c:181 #12 0x00007fa3e1532d9c in qemu_del_net_client (nc=0x7fa3e3a78130) at /home/lcapitulino/work/src/qmp-unstable/net/net.c:271 #13 0x00007fa3e1534681 in net_cleanup () at /home/lcapitulino/work/src/qmp-unstable/net/net.c:919 #14 0x00007fa3dee6a931 in __run_exit_handlers () from /lib64/libc.so.6 #15 0x00007fa3dee6a9b5 in exit () from /lib64/libc.so.6 #16 0x00007fa3dee526a4 in __libc_start_main () from /lib64/libc.so.6 #17 0x00007fa3e13acbc9 in _start () (gdb)