Hi, Recently, our test team found several Qemu crash problems with the next assertion messages:
[2015-09-11 13:42:44] domain is rebooting qemu-kvm: /home/abuild/rpmbuild/BUILD/qemu-kvm-2.3.0/exec.c:1188: register_subpage: Assertion `existing->mr->subpage || existing->mr == &io_mem_unassigned' failed. [2015-09-11 13:42:58]: shutting down Or qemu-kvm: /home/abuild/rpmbuild/BUILD/qemu-kvm-2.3.0/include/qemu/int128.h:22: int128_get64: Assertion `!a.hi' failed. Environments: 1. Host OS: RedHat -7.1 2. Guest OS: Suse11-sp3 3. Qem: Qemu-2.3.0 release 4. Qemu commad line (which start from Libvirt 1.2.17 version) : /usr/bin/qemu-kvm -name vm6 -S -machine pc-i440fx-2.3,accel=kvm,usb=off -m 1024 -realtime mlock=off -smp 4,sockets=4,cores=1,threads=1 -object memory-backend-file,id=ram-node0,prealloc=yes,mem-path=/dev/hugepages/libvirt/qemu,share=yes,size=1073741824 -numa node,nodeid=0,cpus=0-3,memdev=ram-node0 -uuid 5566d996-fad5-4b4b-89d2-249e3de1e006 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/vm6.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,clock=vm,driftfix=slew -no-hpet -global kvm-pit.lost_tick_policy=discard -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x6 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x7 -drive file=/data/zj/stbtest/image/suse11_sp3_64_6.img,if=none,id=drive-scsi0-0-0-0,format=raw,cache=none,aio=native -device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=1 -drive if=none,id=drive-ide0-0-1,readonly=on,format=raw,cache=none,aio=native -device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -netdev tap,fds=40:41:42:43,id=hostnet0,vhost=on,vhostfds=44:45:46:47 -device virtio-net-pci,mq=on,vectors=10,netdev=hostnet0,id=net0,mac=52:58:00:00:01:06,bus=pci.0,addr=0x3 -chardev socket,id=charnet1,path=/var/run/vhost-user/port61 -netdev type=vhost-user,id=hostnet1,chardev=charnet1 -device virtio-net-pci,vringbuf=2048,netdev=hostnet1,id=net1,mac=52:58:00:00:00:61,bus=pci.0,addr=0x4 -chardev socket,id=charnet2,path=/var/run/vhost-user/port62 -netdev type=vhost-user,id=hostnet2,chardev=charnet2 -device virtio-net-pci,vringbuf=2048,netdev=hostnet2,id=net2,mac=52:58:00:00:00:62,bus=pci.0,addr=0x5 -chardev socket,id=charchannel0,path=/var/run/libvirt/qemu/vm6.extend,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.1 -chardev socket,id=charchannel1,path=/var/run/libvirt/qemu/vm6.agent,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=org.qemu.guest_agent.0 -chardev socket,id=charchannel2,path=/var/run/libvirt/qemu/vm6.hostd,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=3,chardev=charchannel2,id=channel2,name=org.qemu.guest_agent.2 -chardev socket,id=charchannel3,path=/var/run/libvirt/qemu/vm6.upgraded,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=4,chardev=charchannel3,id=channel3,name=org.qemu.guest_agent.3 -device usb-tablet,id=input0 -vnc 0.0.0.0:6 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -msg timestamp=on Testing case Steps (very simply): *) Reboot Virtual Machine repeatedly inside VM, suddenly Qemu process crashed. Does anyone know this problem? Thanks! If you need some other information, please let me know. Regards, -Gonglei
