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[Bug 1908832] Re: jack audio dev produces no sound
From: |
Thomas Huth |
Subject: |
[Bug 1908832] Re: jack audio dev produces no sound |
Date: |
Wed, 12 May 2021 11:26:58 -0000 |
The QEMU project is currently moving its bug tracking to another system.
For this we need to know which bugs are still valid and which could be
closed already. Thus we are setting the bug state to "Incomplete" now.
If the bug has already been fixed in the latest upstream version of QEMU,
then please close this ticket as "Fix released".
If it is not fixed yet and you think that this bug report here is still
valid, then you have two options:
1) If you already have an account on gitlab.com, please open a new ticket
for this problem in our new tracker here:
https://gitlab.com/qemu-project/qemu/-/issues
and then close this ticket here on Launchpad (or let it expire auto-
matically after 60 days). Please mention the URL of this bug ticket on
Launchpad in the new ticket on GitLab.
2) If you don't have an account on gitlab.com and don't intend to get
one, but still would like to keep this ticket opened, then please switch
the state back to "New" or "Confirmed" within the next 60 days (other-
wise it will get closed as "Expired"). We will then eventually migrate
the ticket automatically to the new system (but you won't be the reporter
of the bug in the new system and thus you won't get notified on changes
anymore).
Thank you and sorry for the inconvenience.
** Changed in: qemu
Status: New => Incomplete
** Tags added: audio
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https://bugs.launchpad.net/bugs/1908832
Title:
jack audio dev produces no sound
Status in QEMU:
Incomplete
Bug description:
Hi,
I'm testing the new jack audiodev backend in my
laptop. The host system is gentoo, using the
ebuild for qemu 5.1.0-r2, and I'm using jack
use flag globally in the system so any ebuild
that have support for jack should be build with
it. The jack setup reportedly works as I use it
with firefox, and mumble with no trouble. When
I launch the following script, I see the vm
connects to jack:
/usr/bin/qemu-system-x86_64 -enable-kvm -M q35 -vga virtio -display gtk,gl=on
\
-cpu host -smp 2,cores=2,threads=1 \
-m 4G -L /usr/share/qemu \
-global ICH9-LPC.disable_s3=1 -global ICH9-LPC.disable_s4=1 \
-drive
file=/usr/share/edk2-ovmf/OVMF_CODE.fd,if=pflash,format=raw,unit=0,readonly=on \
-drive file=debian_VARS.fd,if=pflash,format=raw,unit=1 \
-audiodev id=jack,driver=jack -device ich9-intel-hda -device
hda-duplex,audiodev=jack \
-device virtio-serial-pci \
-device virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 \
-chardev spicevmc,id=spicechannel0,name=vdagent \
-device nec-usb-xhci,id=usb \
-device usb-host,vendorid=0x04ca,productid=0x708e \
-device usb-host,vendorid=0x1050,productid=0x0407 \
-chardev spicevmc,name=usbredir,id=usbredirchardev1 \
-device usb-redir,chardev=usbredirchardev1,id=usbredirdev1 \
-chardev spicevmc,name=usbredir,id=usbredirchardev2 \
-device usb-redir,chardev=usbredirchardev2,id=usbredirdev2 \
-chardev spicevmc,name=usbredir,id=usbredirchardev3 \
-device usb-redir,chardev=usbredirchardev3,id=usbredirdev3 \
-netdev user,id=user.0 -device virtio-net-pci,netdev=user.0 \
-drive file=debian.qcow2,cache=none,aio=io_uring,if=virtio
Output of vm initialization:
jack: JACK output configured for 48000Hz (1024 samples)
jack: JACK input configured for 48000Hz (1024 samples)
gl_version 46 - core profile enabled
GLSL feature level 430
Though executing any application that uses sound,
for instance, any youtube video through browser,
I listen nothing. By executing pkill jackd, and
launching the same script replacing the audiodev
line for the following:
-audiodev id=alsa,driver=alsa -device ich9-intel-hda -device
hda-duplex,audiodev=alsa \
The audio works, and I can listen to music, or
any other kind of application, though I cannot
listen anything else in the host.
The guest is a simple debian testing(bullseye)
system with plasma desktop, using pulseaudio,
nothing fancy.
Thanks!
José
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- [Bug 1908832] Re: jack audio dev produces no sound,
Thomas Huth <=