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Description of problem: boot 7 different windows guests in rhevm 3.2 and run iozone in each guest.After about 5 days' running,win2k8-32 guest hang. Version-Release number of selected component (if applicable): RHEV-toolsSetup_3.2_13.iso virtio-win-prewhql-68 qemu-kvm-rhev-0.12.1.2-2.375.el6.x86_64 kernel-2.6.32-369.el6.x86_64 vdsm-4.10.2-22.0.el6ev.x86_64 libvirt-0.10.2-18.el6_4.8.x86_64 How reproducible: twice in two weeks Steps to Reproduce: 1.boot 7 different windows guests include win2k8-32 guest in rhevm 3.2 2.run iozone on system disk in each guest for more than 5 days: the iozone command:iozone.exe -az -b c:\aaaa -g 30g -y 64k Actual results: win2k8-32 guest hang after running iozone for 5 days Expected results: guest works fine,no hang Additional info: I will upload the NMICrashDump later. the rhevm command: /usr/libexec/qemu-kvm -name w2k8-32-longevi -S -M rhel6.4.0 -cpu Penryn -enable-kvm -m 2048 -smp 1,sockets=1,cores=1,threads=1 -uuid 050bfa04-56d0-40e9-9407-ab9df89a1220 -smbios type=1,manufacturer=Red Hat,product=RHEV Hypervisor,version=6Server-6.4.0.4.el6,serial=44454C4C-3100-1057-8054-B3C04F573258,uuid=050bfa04-56d0-40e9-9407-ab9df89a1220 -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/w2k8-32-longevi.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=2013-09-02T14:18:27,driftfix=slew -no-shutdown -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x4 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/rhev/data-center/mnt/10.66.90.115:_vol_s2bcao228623_isopool/87fa60aa-1dac-45c0-b0ca-66f8b9841d9f/images/11111111-1111-1111-1111-111111111111/RHEV-toolsSetup_3.2_13.iso,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw,serial= -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -drive file=/rhev/data-center/fab0800a-b0fb-462c-821a-07b75eac0a03/3d2facdc-1605-4ccc-8f39-e2af02c77258/images/33b26296-4d02-49f5-a722-771269201151/6acf3068-66f5-4cb1-ad57-6f84611f550f,if=none,id=drive-virtio-disk0,format=raw,serial=33b26296-4d02-49f5-a722-771269201151,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,fd=31,id=hostnet0,vhost=on,vhostfd=32 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:1a:4a:42:08:8b,bus=pci.0,addr=0x3 -chardev socket,id=charchannel0,path=/var/lib/libvirt/qemu/channels/w2k8-32-longevi.com.redhat.rhevm.vdsm,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.rhevm.vdsm -chardev socket,id=charchannel1,path=/var/lib/libvirt/qemu/channels/w2k8-32-longevi.org.qemu.guest_agent.0,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=org.qemu.guest_agent.0 -chardev spicevmc,id=charchannel2,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=3,chardev=charchannel2,id=channel2,name=com.redhat.spice.0 -spice port=5902,tls-port=5903,addr=0,x509-dir=/etc/pki/vdsm/libvirt-spice,tls-channel=main,tls-channel=display,tls-channel=inputs,tls-channel=cursor,tls-channel=playback,tls-channel=record,tls-channel=smartcard,tls-channel=usbredir,seamless-migration=on -k en-us -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 -incoming tcp:[::]:49152 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
there were some critical bug fixes since virtio-win-prewhql-68. Can we please retest with the most recent drivers from build-74? Thanks, Vadim.
QE, Please retest with the latest build (at least 74). Please inject NMI when the guest is stack once again. Thanks.
I will retest this scenario and it will take a few days,I will update this bug as soon as the result come out.
after run iozone test for more than 5 days with virtio-win-prewhql-76,steps same as comment#0,guest works well,no hang,no error.
(In reply to lijin from comment #6) > after run iozone test for more than 5 days with virtio-win-prewhql-76,steps > same as comment#0,guest works well,no hang,no error. Can we close it as worksforme ? Thanks, Vadim.