Re: [Qemu-devel] Re: Question about KVM and PC speaker

[malc]

On Wed, 13 May 2009, Sebastian Herbszt wrote:

> Jan Kiszka wrote:
> > Sebastian Herbszt wrote:
> > > With the modified vgabios (see below) it does beep on bochs on vista,
> > > but not on qemu.
> > 
> > Works fine for me!
> > 
> > Did you check twice that your modified vgabios is actually loaded by
> > qemu (e.g. via strace)?
> 
> Yes, it uses the right rom.
> 
> > Moreover, does sound work at all with your qemu?
> > The image I tried [1] issues two beeps after loading (obviously via
> > direct hw access) - a good way to check general support. Note that one
> > reason for broken host sound with qemu can be OSS. For that reason I
> > always configure my qemu with --audio-drv-list=alsa.
> 
> Thats a good hint :)
> Seems i used to compile qemu without "--audio-drv-list". Since "dsound" and
> "fmod" drivers don't compile here (i likely miss some libs in my mingw), i
> used "sdl".

Don't do that. Here's a nice tutorial Kazu made that will probably help 
you: http://www.h7.dion.ne.jp/~qemu-win/Audio-en.html

> Now i can hear those two beeps with the image you suggested. Tho those are
> coming
> thru my sound card and not the hosts pc speaker (even with "-soundhw pcspk",
> but maybe
> that option means something different).

And it will always come through your soundcard. pcspk is not a passthrough
thing.

> With INT 10h AH=0Eh i now can hear a beep too, but it doesn't stop and qemu
> somewhat freezes.

Huh?

> > Jan
> > 
> > PS: Your patch was mangled by your mail client. Fortunately, it was
> > small enough for manual fixing.
> 
> Unfortunatelly Windows Mail tends to do this and i failed to find an option to
> fix it.
> 
> - Sebastian
> 
> 
> 

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