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+semantic: 0.698
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+PID: 0.633
+x86: 0.628
+debug: 0.593
+user-level: 0.531
+risc-v: 0.465
+architecture: 0.465
+socket: 0.463
+vnc: 0.435
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+permissions: 0.433
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+hypervisor: 0.358
+network: 0.340
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+kernel: 0.205
+
+pulseaudio Invalid argument error
+
+When using qemu-system-ppc on Ubuntu Mate 15 with the usb audio card, I see these error messages:
+
+pulseaudio: set_sink_input_volume() failed
+pulseaudio: Reason: Invalid argument
+pulseaudio: set_sink_input_mute() failed
+pulseaudio: Reason: Invalid argument
+
+No audio plays. When an attempt is made, QEMU seems to freeze for a moment. 
+
+I use "-device usb-audio" to add the usb sound card. This issue is present in both emulation and KVM mode.
+
+Triaging old bug tickets ... Can you still reproduce this issue with the latest version of QEMU (currently 4.1)? Or could we close this ticket nowadays?
+
+I tried using "-device usb-audio"and the guest was able to detect the USB audio card, but for some reason no audio would play. I did not see any messages in the terminal about pulseaudio.
+
+What output do you get when you run "qemu-system-x86_64 -audio-help" ? Could you provide your full command line, please?
+
+Here is the output. I assumed you meant qemu-system-ppc.
+
+$ ./ppc-softmmu/qemu-system-ppc -audio-help
+Environment variable based configuration deprecated.
+Please use the new -audiodev option.
+
+Equivalent -audiodev to your current environment variables:
+(Since you didn't specify QEMU_AUDIO_DRV, I'll list all possibilities)
+-audiodev id=oss,driver=oss
+-audiodev id=none,driver=none
+
+> On Oct 7, 2019, at 3:44 AM, Thomas Huth <email address hidden> wrote:
+> 
+> What output do you get when you run "qemu-system-x86_64 -audio-help" ?
+> Could you provide your full command line, please?
+> 
+> -- 
+> You received this bug notification because you are subscribed to the bug
+> report.
+> https://bugs.launchpad.net/bugs/1623998
+> 
+> Title:
+>  pulseaudio Invalid argument error
+> 
+> Status in QEMU:
+>  Incomplete
+> 
+> Bug description:
+>  When using qemu-system-ppc on Ubuntu Mate 15 with the usb audio card,
+>  I see these error messages:
+> 
+>  pulseaudio: set_sink_input_volume() failed
+>  pulseaudio: Reason: Invalid argument
+>  pulseaudio: set_sink_input_mute() failed
+>  pulseaudio: Reason: Invalid argument
+> 
+>  No audio plays. When an attempt is made, QEMU seems to freeze for a
+>  moment.
+> 
+>  I use "-device usb-audio" to add the usb sound card. This issue is
+>  present in both emulation and KVM mode.
+> 
+> To manage notifications about this bug go to:
+> https://bugs.launchpad.net/qemu/+bug/1623998/+subscriptions
+
+
+
+Looks like your current QEMU now only contains the audio backend for OSS, but not for pulseaudio anymore. Please make sure that the right pulse-audio development package (e.g. "pulseaudio-libs-devel") is installed before running the "configure" script of QEMU.
+
+[Expired for QEMU because there has been no activity for 60 days.]
+