Bug 536692

By the way, I tried to downgrade to libvirt-0.7.1-7.fc12.x86_64 just in case the change in libvirt-0.7.1-8 caused the problem, but this didn't make any difference.

*** This bug has been marked as a duplicate of bug 508317 ***

Re-opening, I did dup this a bit too vigorously. As Andrew mentioned in duped bug, SDL and a sound device with a default libvirt config errors with this in the log:

LC_ALL=C PATH=/sbin:/usr/sbin:/bin:/usr/bin XAUTHORITY=/home/boston/crobinso/.Xauthority DISPLAY=:0.0 /usr/bin/qemu-kvm -S -M fedora-13 -enable-kvm -m 2048 -smp 1,sockets=1,cores=1,threads=1 -name live -uuid 5a550a86-8622-34f4-e739-4db2113436a8 -nodefaults -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/live.monitor,server,nowait -mon chardev=monitor,mode=readline -rtc base=utc -boot d -drive file=/var/lib/libvirt/images/F13-Beta-x86_64-Live.iso,if=none,media=cdrom,id=drive-ide0-1-0 -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -device rtl8139,vlan=0,id=net0,mac=52:54:00:2b:7f:8e,bus=pci.0,addr=0x4 -net tap,fd=21,vlan=0,name=hostnet0 -chardev pty,id=serial0 -device isa-serial,chardev=serial0 -usb -sdl -vga cirrus -device AC97,id=sound0,bus=pci.0,addr=0x5 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
char device redirected to /dev/pts/1
No protocol specified
XOpenDisplay() failed
Home directory / not ours.
W: core-util.c: Failed to open configuration file '//.pulse//daemon.conf': Permission denied
W: daemon-conf.c: Failed to open configuration file: Permission denied
pulseaudio: pa_simple_new for capture failed
pulseaudio: Reason: Connection refused
No protocol specified
XOpenDisplay() failed
Home directory / not ours.
W: core-util.c: Failed to open configuration file '//.pulse//daemon.conf': Permission denied
W: daemon-conf.c: Failed to open configuration file: Permission denied
pulseaudio: pa_simple_new for capture failed
pulseaudio: Reason: Connection refused
audio: Failed to create voice `ac97.pi'
No protocol specified
XOpenDisplay() failed
Home directory / not ours.
W: core-util.c: Failed to open configuration file '//.pulse//daemon.conf': Permission denied
W: daemon-conf.c: Failed to open configuration file: Permission denied
pulseaudio: pa_simple_new for playback failed
pulseaudio: Reason: Connection refused
No protocol specified
XOpenDisplay() failed
Home directory / not ours.
W: core-util.c: Failed to open configuration file '//.pulse//daemon.conf': Permission denied
W: daemon-conf.c: Failed to open configuration file: Permission denied
pulseaudio: pa_simple_new for playback failed
pulseaudio: Reason: Connection refused
audio: Failed to create voice `ac97.po'
No protocol specified
XOpenDisplay() failed
Home directory / not ours.
W: core-util.c: Failed to open configuration file '//.pulse//daemon.conf': Permission denied
W: daemon-conf.c: Failed to open configuration file: Permission denied
pulseaudio: pa_simple_new for capture failed
pulseaudio: Reason: Connection refused
No protocol specified
XOpenDisplay() failed
Home directory / not ours.
W: core-util.c: Failed to open configuration file '//.pulse//daemon.conf': Permission denied
W: daemon-conf.c: Failed to open configuration file: Permission denied
pulseaudio: pa_simple_new for capture failed
pulseaudio: Reason: Connection refused
audio: Failed to create voice `ac97.mc'
No protocol specified
No protocol specified
Could not initialize SDL - exiting


Setting security_driver='none' in /etc/libvirt/qemu.conf doesn't change anything. Setting user and group to 'root' lets the VM launch, but no sound, and a bunch of the following errors are in the log file:

char device redirected to /dev/pts/1
pulseaudio: pa_simple_new for capture failed
pulseaudio: Reason: Connection refused
pulseaudio: pa_simple_new for capture failed
pulseaudio: Reason: Connection refused
audio: Failed to create voice `ac97.pi'

I've posted workaround steps to get audio and SDL working:

https://fedoraproject.org/wiki/How_to_debug_Virtualization_problems#Audio_output

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F14 is EOL. F16 also has sound working out of the box with spice, so I'd recommend using that if possible.