[fedora-virt] Losing sound in Win XP qemu-kvm guest

Justin M. Forbes jmforbes at linuxtx.org
Mon Jun 14 18:59:22 UTC 2010


On Mon, 2010-06-14 at 14:01 -0400, jah wrote:
> Thanks for the reply Gilboa.  I had given up on getting a response to my 
> email and almost didn't spot it.  It's disappointing that nobody from 
> Red Hat feels like it's worth responding to.  The only thing I could 
> find in Bugzilla was 520228, a very similar problem with F11 from Aug 
> 2009.  Though this pertains to my Fedora desktop at home, possibly my 
> Red Hat rep at work can find a resource who would share some insight on 
> the problem.
> 
> Anyway, I switched QEMU_AUDIO_DRV from "alsa" to "pa" and that made the 
> problem worse, sound went out a few minutes after starting the guest.  I 
> don't have any experience running KVM under F12 but I am running 
> Virtualbox under F12 at work (no hardware virtual extentions) and sound 
> works great in my XP guest.  What exactly are the "connection refused" 
> messages you're getting from qemu?  The only unusual messages I'm 
> getting are occasional bursts of this message:
> 
> Jun 11 23:52:51 host pulseaudio[2651]: ratelimit.c: 676 events suppressed
> Jun 12 10:10:06 host pulseaudio[2651]: ratelimit.c: 676 events suppressed
> Jun 12 11:02:53 host pulseaudio[2651]: ratelimit.c: 685 events suppressed
> 
> In Gentoo I only had this problem when I ran KVM as a module, not when 
> it was compiled into the kernel.  Unfortunately nowdays compiling a 
> custom kernel in Red Hat/Fedora is a little more involved and not really 
> worth re-doing every time a new kernel update comes out.
> 
Sorry, I haven't had a chance to reproduce yet, but should get to it in
the next day or two.  Are you running constant audio in the XP guest to
see it, or doing something different?

Justin



More information about the virt mailing list