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[Qemu-discuss] Linux KVM, Windows 7 guest choppy sound

From: address@hidden
Subject: [Qemu-discuss] Linux KVM, Windows 7 guest choppy sound
Date: Fri, 21 Feb 2014 13:42:58 +0900
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0

Yeah I have the same problem on.
I can hear some sound but quality is very bad.
It seems Windows 7 gets slow especially when it plays sound.

My script is

qemu-system-x86_64 /mnt/win/win7qemu002 -cpu kvm64,+nx -enable-kvm -m 1536 -soundhw hda -usb


qemu-system-x86_64 /mnt/win/win7qemu002 -cpu kvm64,+nx -enable-kvm -m 1536 -device intel-hda,id=sound0,bus=pci.0,addr=0x7 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5

but the results are same.

And I try
% export QEMU_AUDIO_DRV=alsa
with or without
% export QEMU_ALSA_ADC=null
% export QEMU_ALSA_DAC=dmix

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