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[Bug 1906184] [NEW] Lots of stuttering/crackling in guest sound
From: |
johannes |
Subject: |
[Bug 1906184] [NEW] Lots of stuttering/crackling in guest sound |
Date: |
Sun, 29 Nov 2020 21:00:06 -0000 |
Public bug reported:
When listening to music (e.g. with VLC) or watching Youtube on the
guest, there's lots of stuttering and crackling in the sound.
Tested with the following QEMU start commands:
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga virtio -soundhw hda
-display sdl,gl=on
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda
-display sdl
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda
-display gtk
If I use the following command (QXL graphics, "remote" access via SPICE over
unix socket), stuttering is not completely gone but MUCH less annoying:
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -soundhw hda -vga qxl
-device virtio-serial-pci -device
virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 -chardev
spicevmc,id=spicechannel0,name=vdagent -spice
unix,addr=/tmp/vm_spice.socket,disable-ticketing
and this command for accessing the VM:
remote-viewer spice+unix:///tmp/vm_spice.socket
Guest: Kubuntu 20.04 64-bit (live), but occurs with many other as well
Host: Arch Linux, with KDE desktop
CPU: Intel Xeon E3-1230v2 (4 cores + hyperthreading)
RAM: 16 GB
GPU: Nvidia GTX 980 Ti
** Affects: qemu
Importance: Undecided
Status: New
** Tags: linux sound stuttering
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1906184
Title:
Lots of stuttering/crackling in guest sound
Status in QEMU:
New
Bug description:
When listening to music (e.g. with VLC) or watching Youtube on the
guest, there's lots of stuttering and crackling in the sound.
Tested with the following QEMU start commands:
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga virtio -soundhw
hda -display sdl,gl=on
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda
-display sdl
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda
-display gtk
If I use the following command (QXL graphics, "remote" access via SPICE over
unix socket), stuttering is not completely gone but MUCH less annoying:
qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom
./linux/kubuntu-20.04-desktop-amd64.iso -boot d -soundhw hda -vga qxl
-device virtio-serial-pci -device
virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 -chardev
spicevmc,id=spicechannel0,name=vdagent -spice
unix,addr=/tmp/vm_spice.socket,disable-ticketing
and this command for accessing the VM:
remote-viewer spice+unix:///tmp/vm_spice.socket
Guest: Kubuntu 20.04 64-bit (live), but occurs with many other as well
Host: Arch Linux, with KDE desktop
CPU: Intel Xeon E3-1230v2 (4 cores + hyperthreading)
RAM: 16 GB
GPU: Nvidia GTX 980 Ti
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1906184/+subscriptions
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