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Created attachment 1070669 [details] core file report Description of problem: Core was generated by `/bin/qemu-img check $guest-img` when finished RHEL6.7 guest installation Version-Release number of selected component (if applicable): qemu-kvm-rhev-2.3.0-21.el7.x86_64 qemu-img-rhev-2.3.0-21.el7.x86_64 kernel-3.10.0-310.el7.x86_64 How reproducible: 1/5 Steps to Reproduce: 1.Create image by command: /bin/qemu-img create -f qcow2 /home/my_auto/autotest-devel/client/tests/virt/shared/data/images/rhel67-64-virtio.qcow2 20G 2.Install rhel6.7 guest in the image /usr/libexec/qemu-kvm \ -S \ -name 'virt-tests-vm1' \ -sandbox off \ -machine pc \ -nodefaults \ -vga cirrus \ -chardev socket,id=qmp_id_qmpmonitor1,path=/tmp/monitor-virt-tests-vm1-qmpmonitor1-20150906-133429-W9ukBPrL,server,nowait \ -mon chardev=qmp_id_qmpmonitor1,mode=control \ -chardev socket,id=qmp_id_catch_monitor,path=/tmp/monitor-virt-tests-vm1-catch_monitor-20150906-133429-W9ukBPrL,server,nowait \ -mon chardev=qmp_id_catch_monitor,mode=control \ -device pvpanic,ioport=0x505,id=idYZPgzF \ -chardev socket,id=serial_id_serial0,path=/tmp/serial-serial0-20150906-133429-W9ukBPrL,server,nowait \ -device isa-serial,chardev=serial_id_serial0 \ -chardev socket,id=seabioslog_id_20150906-133429-W9ukBPrL,path=/tmp/seabios-20150906-133429-W9ukBPrL,server,nowait \ -device isa-debugcon,chardev=seabioslog_id_20150906-133429-W9ukBPrL,iobase=0x402 \ -device ich9-usb-uhci1,id=usb1,bus=pci.0,addr=03 \ -drive id=drive_image1,if=none,cache=none,snapshot=off,aio=threads,format=qcow2,file=/home/my_auto/autotest-devel/client/tests/virt/shared/data/images/rhel67-64-virtio.qcow2 \ -device virtio-blk-pci,id=image1,drive=drive_image1,bootindex=1,bus=pci.0,addr=04,disable-legacy=off,disable-modern=on \ -device virtio-net-pci,mac=9a:38:39:3a:3b:3c,id=idX3RTca,vectors=4,netdev=idTCvOll,bus=pci.0,addr=05,disable-legacy=off,disable-modern=on \ -netdev tap,id=idTCvOll,vhost=on,vhostfd=24,fd=23 \ -m 16384 \ -smp 32,maxcpus=32,cores=16,threads=1,sockets=2 \ -cpu 'SandyBridge',+kvm_pv_unhalt \ -drive id=drive_cd1,if=none,snapshot=off,aio=threads,media=cdrom,file=/home/my_auto/autotest-devel/client/tests/virt/shared/data/isos/linux/RHEL6.7-Server-x86_64.iso \ -device ide-cd,id=cd1,drive=drive_cd1,bootindex=2,bus=ide.0,unit=0 \ -drive id=drive_unattended,if=none,snapshot=off,aio=threads,media=cdrom,file=/home/my_auto/autotest-devel/client/tests/virt/shared/data/images/rhel67-64/ks.iso \ -device ide-cd,id=unattended,drive=drive_unattended,bootindex=3,bus=ide.0,unit=1 \ -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1 \ -kernel '/home/my_auto/autotest-devel/client/tests/virt/shared/data/images/rhel67-64/vmlinuz' \ -append 'ks=cdrom nicdelay=60 console=ttyS0,115200 console=tty0' \ -initrd '/home/my_auto/autotest-devel/client/tests/virt/shared/data/images/rhel67-64/initrd.img' \ -vnc :2 \ -rtc base=utc,clock=host,driftfix=slew \ -boot order=cdn,once=d,menu=off,strict=off \ -no-shutdown \ -enable-kvm 3.After installation,check the image Running '/bin/qemu-img check /home/my_auto/autotest-devel/client/tests/virt/shared/data/images/rhel67-64-virtio.qcow2' Actual results: Core was generated by `/bin/qemu-img check $guest-img` Expected results: no core created. Additional info: 1.core file report see attachment. 2.cpu info processor : 39 vendor_id : GenuineIntel cpu family : 6 model : 62 model name : Intel(R) Xeon(R) CPU E7-4830 v2 @ 2.20GHz stepping : 7 microcode : 0x70d cpu MHz : 2200.000 cache size : 20480 KB physical id : 1 siblings : 20 core id : 12 cpu cores : 10 apicid : 57 initial apicid : 57 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes