Hi all,
i use qemu-system-x86_64 to run windows 7, and fund that "mute/unmute" button in the right bottom of guest desktop not work.
related info is as below:
$qemu-system-x86_64 --version
QEMU emulator version 1.4.0, Copyright (c) 2003-2008 Fabrice Bellard
$ps -elf | grep qemu-system-x86_64
qemu-system-x86_64 -machine accel=kvm:tcg -m 4096 -smp 4 -M pc-i440fx-1.4 -spi
ce port=5906,addr=0.0.0.0,disable-ticketing,jpeg-wan-compression=always -vga qxl -global qxl-vga.vram_size=268435456 /opt/instances/win7_sh_2.1.1_driver.qcow2 -net nic,macaddr=00:16:3e:00:00:04,model=virtio
-net tap,ifname=tap04 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x6 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7
$uname -a
Linux mymachine 3.8.0-34-generic #49~precise1-Ubuntu SMP Wed Nov 13 18:05:00 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Best Regards,
Stone