I'm using libvirt, but here's the kvm command line as taken from "ps -ef|grep kvm" anyway:
/usr/bin/kvm-spice -name WindowsVista -S -M pc-1.0 -cpu Opteron_G3,+wdt,+skinit,+osvw,+3dnowprefetch,+cr8legacy,+extapic,+cmp_legacy,+3dnow,+3dnowext,+pdpe1gb,+fxsr_opt,+mmxext,+ht,+vme -enable-kvm -m 2048 -smp 1,sockets=1,cores=1,threads=1 -uuid 1d02e1ef-1171-4b6d-9862-8f6974825cb9 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/WindowsVista.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -no-shutdown -device virtio-serial-pci,id=virtio- serial0,bus=pci.0,addr=0x6 -device piix3-usb- uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/dev/moria/windowsvista,if=none,id=drive-virtio-disk0,format=raw -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x9,drive=drive-virtio- disk0,id=virtio-disk0,bootindex=1 -drive if=none,id=drive- ide0-0-0,readonly=on,format=raw -device ide-cd,bus=ide.0,unit=0,drive =drive-ide0-0-0,id=ide0-0-0 -netdev tap,fd=24,id=hostnet0,vhost=on,vhostfd=25 -device virtio-net- pci,netdev=hostnet0,id=net0,mac=52:54:00:04:3c:12,bus=pci.0,addr=0x3 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio- serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 -device usb-tablet,id=input0 -spice port=5900,addr=127.0.0.1,disable- ticketing -vga qxl -global qxl-vga.vram_size=67108864 -device ES1370,id=sound0,bus=pci.0,addr=0x7 -device virtio-balloon- pci,id=balloon0,bus=pci.0,addr=0x5 XML domain definition file from libvirt is attached. No, I don't know exactly when it started happening, since the guest is only used from time to time. It's been roughly 2-3 weeks ago, but don't take that for granted. No, it doesn't happen on linux guests. ** Attachment added: "XML domain definition file." https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1060053/+attachment/3365314/+files/WindowsVista.xml -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1060053 Title: Audio starts working several hours after starting Windows Vista guest To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1060053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs