Re: [Qemu-devel] Re: [PATCH] [RFC] Add support for a USB audio device model

[H. Peter Anvin]

I meant just take the Fedora 13 DVD and install it onto a virtual hard disk.  
More later when I'm at a real computer.

"malc" <address@hidden> wrote:

>On Fri, 10 Sep 2010, H. Peter Anvin wrote:
>
>> On 09/10/2010 07:47 PM, H. Peter Anvin wrote:
>> > On 09/10/2010 06:08 PM, H. Peter Anvin wrote:
>> >>
>> >> Any remotely recent stock distro should have support for it.  I say
>> >> "should", because I haven't actually tested it with a Linux guest yet.
>> >>
>> >> I'll try to do that later; I have to leave now.
>> >>
>> > 
>> > Just tested it on a stock Fedora 13 64 bit VM; it behaves exactly the
>> > same way as under Win7.
>> 
>
>Sorry but I have no idea what "stock Fedora 13 64 bit VM" is.
>
>> Just for the sake of completeness, the Qemu command line was:
>> 
>> ~/qemu/git-kvm/x86_64-softmmu/qemu-system-x86_64 -enable-kvm -smp 2 -m
>> 1024 -usb -soundhw usb -hda qemu-fc13-64.img -serial stdio
>> 
>> ... and this was with the usb-audio patch applied against top of the the
>> qemu-kvm git tree (the patch applies against the top of the main qemu
>> tree too, but because KVM isn't very stable there it was faster to use
>> the KVM tree.)
>      ^^^ this doesn't parse, somewhere QEMU was replaced by KVM i think
>
>
>Anywho, i tried it with linux-test and custom/minimal compiled 2.6.32 [1]
>
>x86_64-softmmu/qemu-system-x86_64 -kernel \
>~/x/bld/linux-2.6.32/arch/x86_64/boot/bzImage -append "root=/dev/hda" \
>-vnc :0 -soundhw usb ~/x/img/linux-0.2.img -usb [-enable-kvm]
>                                                ^^^ this has no consequence [2]
>
>Inside the guest `$ madplay 20thfull.mp2' and things sounded fine with OSS,
>with ALSA the story is somewhat different, it stuttered for a while but then
>settled and things went back to smooth playback.
>
>So i need a reproduction scenario
>
>[1] .config available on request
>[2] Well actually it has - on the speed `-enable-kvm' makes boot sluggish
>    for whatever reason
>
>-- 
>mailto:address@hidden

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