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Message #81390
[Bug 553081] Re: [lucid kvm-qemu]High cpu usage when moving mouse
This is happening to me with Lucid 64 using KVM on Fedora. The mouse moving normally causes Lucid to grind to a halt and the mouse becomes barely usable. If I stop moving it for a minute it works again but basically the system becomes unusable (I had to reboot between running vmmouse_detect and viewing Xorg.0.log).
I run qemu like this:
qemu-kvm -M pc -m 2048 -hda images/lucid64a -net nic -net user -usb
vmmouse_detect returns 1, I'm using an AMD 620 CPU
Here's the mouse info from Xorg's log:
(II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/event3)
(**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "evdev pointer catchall"
(**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "vmmouse catchall"
(II) LoadModule: "vmmouse"
(II) Loading /usr/lib/xorg/modules/input/vmmouse_drv.so
(II) Module vmmouse: vendor="X.Org Foundation"
compiled for 1.7.6, module version = 12.6.5
Module class: X.Org XInput Driver
ABI class: X.Org XInput driver, version 7.0
(II) VMWARE(0): VMMOUSE module was loaded
(II) VMWARE(0): vmmouse is available
(**) ImExPS/2 Generic Explorer Mouse: always reports core events
(**) Option "Device" "/dev/input/event3"
(**) ImExPS/2 Generic Explorer Mouse: ZAxisMapping: buttons 4 and 5
(II) XINPUT: Adding extended input device "ImExPS/2 Generic Explorer Mouse" (type: MOUSE)
(**) ImExPS/2 Generic Explorer Mouse: (accel) keeping acceleration scheme 1
(**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration profile 0
(**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration factor: 2.000
(**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration threshold: 4
(II) VMWARE(0): VMMOUSE DEVICE_INIT
(II) VMWARE(0): VMMOUSE DEVICE_ON
(II) VMWARE(0): vmmouse enabled
(II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/mouse1)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/event1)
(**) Macintosh mouse button emulation: Applying InputClass "evdev pointer catchall"
(**) Macintosh mouse button emulation: always reports core events
(**) Macintosh mouse button emulation: Device: "/dev/input/event1"
(II) Macintosh mouse button emulation: Found 3 mouse buttons
(II) Macintosh mouse button emulation: Found relative axes
(II) Macintosh mouse button emulation: Found x and y relative axes
(II) Macintosh mouse button emulation: Configuring as mouse
(**) Macintosh mouse button emulation: YAxisMapping: buttons 4 and 5
(**) Macintosh mouse button emulation: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Macintosh mouse button emulation" (type: MOUSE)
(II) Macintosh mouse button emulation: initialized for relative axes.
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)
(II) VMWARE(0): vmmouse enable absolute mode
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[lucid kvm-qemu]High cpu usage when moving mouse
https://bugs.launchpad.net/bugs/553081
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References