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[Bug 1818398] Re: No evdev mouse passthrough with virtio-vga or kvm
From: |
Thomas Huth |
Subject: |
[Bug 1818398] Re: No evdev mouse passthrough with virtio-vga or kvm |
Date: |
Wed, 05 May 2021 11:17:55 -0000 |
This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'expired' now.
Please continue with the discussion here:
https://gitlab.com/qemu-project/qemu/-/issues/165
** Changed in: qemu
Status: New => Expired
** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #165
https://gitlab.com/qemu-project/qemu/-/issues/165
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https://bugs.launchpad.net/bugs/1818398
Title:
No evdev mouse passthrough with virtio-vga or kvm
Status in QEMU:
Expired
Bug description:
Hi,
Using qemu version 3.1.0-1 on a host with the latest Archlinux 64-bit
distribution, and running the same OS as guest, the mouse doesn't work
when using both evdev passthrough and virtio-vga, or when using both
evdev passthrough and kvm.
The following command line runs a machine that does not receive any mouse
event:
qemu-system-x86_64 -machine type=q35,accel=kvm -cpu host -accel kvm -boot
order=dc,menu=on -m size=2048 -net nic -device virtio-vga -device intel-hda
-name Linux -drive file=/mnt/data/nobody/linux/arch.img,if=virtio -display
sdl,gl=on -full-screen -net user -D /dev/null -rtc
base=utc,clock=host,driftfix=slew -nodefaults -object
input-linux,id=kbd1,evdev=/dev/input/event6,grab_all=on,repeat=on -object
input-linux,id=mouse1,evdev=/dev/input/event7
But with this command line, removing virtio-vga and kvm, the mouse works as
expected:
qemu-system-x86_64 -machine type=q35 -boot order=dc,menu=on -m size=2048 -net
nic -device cirrus-vga -device intel-hda -name Linux -drive
file=/mnt/data/nobody/linux/arch.img,if=virtio -display sdl,gl=on -full-screen
-net user -D /dev/null -rtc base=utc,clock=host,driftfix=slew -nodefaults
-object input-linux,id=kbd1,evdev=/dev/input/event6,grab_all=on,repeat=on
-object input-linux,id=mouse1,evdev=/dev/input/event7
Note: Passing a keyboard by evdev in the same way always works, the
problem is mouse specific.
Thanks in advance for the analysis,
gatestallman
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