[Spice-devel] Audio Fails in 64-bit Windows7 Guest
acathrow at redhat.com
Tue May 3 03:49:23 PDT 2011
----- Original Message -----
> From: "Naga Mohan Pothula" <nagamohan.pothula at yahoo.com>
> To: spice-devel at lists.freedesktop.org
> Sent: Monday, May 2, 2011 6:34:30 PM
> Subject: [Spice-devel] Audio Fails in 64-bit Windows7 Guest
> Audio is not working in 64-bit Windows7 Guest connected from any
> Linux/Windows Client.
> I noticed this problem with Spice v0.63/0.8 versions. I haven't tried
> on other Spice versions.
This isn't a Spice problem, it's a driver issue in Windows7.
None of the devices we (used to) emulate in KVM have drivers on the out of box media for Windows 7 64bit.
If you google enough you'll find a es1370 driver for Visa/64 that works on Win7, but it's not WHQL signed so you have to go through the a dance to install it.
Upstream in KVM (available in RHEL6.1 beta + Fedora 15) we have added a new soundcard Intel ICH6 that works out of the box with Win7.
> When starting Spice Server, we are specifying "-soundhw AC97" option
> I have read in some forums that Qemu-kvm supports the following sound
> cards other than AC 97.
> pcspk PC speaker – not all VM guests supports (read in some forum).
> sb16 Creative Sound Blaster 16. es1370 ENSONIQ AudioPCI ES1370 –
> windows 7 recognizes this but frequent driver crashes(read in some
> I read in some forums that Audio would not work in
> 64-bit Windows7 even we specified above sound card names. I tried
> installing Realtek AC97 Audio driver but it is not working. Can
> anyone please let me know which Audio driver needs to be
> installed/soundcard to be specified to support Audio in Win7 x64?
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