Re: [Qemu-devel] Help with deadlock when using sound

[Paolo Bonzini]

On 10/05/2015 16:54, Paolo Bonzini wrote:
> Reproduced with a FreeDOS image from QEMU Advent Calendar.  It locks up
> as soon as you type "beep".
> 
> It works with the PulseAudio and ALSA backends, but it doesn't with the
> SDL backend, even on Linux.
> 
> Also, it deadlocks even with KVM enabled.

Hmm, looks like SDL audio is broken; it's not pcspk's fault.
I get an instant deadlock from

QEMU_AUDIO_DRV=sdl qemu-system-x86_64 -soundhw gus /mnt/vm/freedos.raw

even if I add "-display sdl", "-monitor stdio", etc.

Paolo