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Description of problem: I am running kvm autotest and just ran the following command ./run -t qemu --nettype bridge Version-Release number of selected component: qemu-system-x86-1.0.1-4.fc17 Additional info: backtrace_rating: 4 cmdline: /bin/qemu-kvm -S -name virt-tests-vm1 -nodefaults -chardev socket,id=hmp_id_hmp1,path=/tmp/monitor-hmp1-20130305-134450-aJHOBKZ7,server,nowait -mon chardev=hmp_id_hmp1,mode=readline -chardev socket,id=serial_id_serial1,path=/tmp/serial-serial1-20130305-134450-aJHOBKZ7,server,nowait -device isa-serial,chardev=serial_id_serial1 -chardev socket,id=seabioslog_id_20130305-134450-aJHOBKZ7,path=/tmp/seabios-20130305-134450-aJHOBKZ7,server,nowait -device isa-debugcon,chardev=seabioslog_id_20130305-134450-aJHOBKZ7,iobase=0x402 -device ich9-usb-uhci1,id=usb1 -drive file=/home/richa/virt-test/shared/data/images/jeos-17-64.qcow2,if=none,id=virtio0 -device virtio-blk-pci,drive=virtio0,bootindex=1 -device virtio-net-pci,netdev=idCJaClW,mac=9a:5a:5b:5c:5d:5e,id=idu0ZWWF -netdev tap,id=idCJaClW,vhost=on,fd=58 -m 512 -smp 2,maxcpus=2,cores=1,threads=1,sockets=2 -cpu Nehalem -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1 -vnc :1 -vga std -rtc base=utc,clock=host,driftfix=none -boot order=cdn,once=c,menu=off -enable-kvm -incoming fd:10 crash_function: vhost_dev_sync_region executable: /usr/bin/qemu-kvm kernel: 3.7.9-104.fc17.x86_64 uid: 0 Truncated backtrace: Thread no. 1 (10 frames) #4 vhost_dev_sync_region at /usr/src/debug/qemu-kvm-1.0.1/hw/vhost.c:30 #5 vhost_client_sync_dirty_bitmap at /usr/src/debug/qemu-kvm-1.0.1/hw/vhost.c:71 #7 cpu_notify_sync_dirty_bitmap at /usr/src/debug/qemu-kvm-1.0.1/exec.c:1753 #8 cpu_physical_sync_dirty_bitmap at /usr/src/debug/qemu-kvm-1.0.1/exec.c:2141 #9 memory_region_sync_dirty_bitmap at /usr/src/debug/qemu-kvm-1.0.1/memory.c:1077 #10 vga_sync_dirty_bitmap at /usr/src/debug/qemu-kvm-1.0.1/hw/vga.c:1570 #11 vga_draw_graphic at /usr/src/debug/qemu-kvm-1.0.1/hw/vga.c:1599 #12 vga_update_display at /usr/src/debug/qemu-kvm-1.0.1/hw/vga.c:1861 #14 vga_screen_dump at /usr/src/debug/qemu-kvm-1.0.1/hw/vga.c:2416 #15 vga_hw_screen_dump at console.c:186
Created attachment 705625 [details] File: backtrace
Created attachment 705626 [details] File: build_ids
Created attachment 705627 [details] File: cgroup
Created attachment 705628 [details] File: core_backtrace
Created attachment 705629 [details] File: dso_list
Created attachment 705630 [details] File: environ
Created attachment 705631 [details] File: limits
Created attachment 705632 [details] File: maps
Created attachment 705633 [details] File: open_fds
Created attachment 705634 [details] File: proc_pid_status
Created attachment 705635 [details] File: smolt_data
Created attachment 705636 [details] File: var_log_messages
Seems like this: commit e314672a8a95f5dc98534f0682fce50fb83dbc5c Author: Alex Williamson <alex.williamson@redhat.com> Date: Fri Aug 13 09:54:52 2010 -0400 vhost: Fix size of dirty log sync on resize
qemu-1.0.1-5.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/qemu-1.0.1-5.fc17
Package qemu-1.0.1-5.fc17: * should fix your issue, * was pushed to the Fedora 17 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing qemu-1.0.1-5.fc17' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2013-4737/qemu-1.0.1-5.fc17 then log in and leave karma (feedback).
qemu-1.0.1-5.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.