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[lavinog <lavinog@xxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-input-vmmouse

Running lucid beta1 64bit in kvm-qemu vm:
Sometime prior to beta1, system was responsive.
Now I can barely move the mouse without causing one of the cpus on the host machine to peg out.
And /usr/bin/X using all of the cpu resources on the guest machine.
After removing the xserver-xorg-input-vmmouse package and rebooting, the system becomes responsive again.
Subsequent reboot was responsive too.
After reinstalling the package, the system became sluggish again.

I notice in the changelog that 1:12.6.5-2ubuntu2 through ubuntu4 were released 2010-03-02 to 05.
This is about the time this issue occurred.
1:12.6.5-2ubuntu3 had a change regarding kvm detection:
  * debian/patches/enable-detect-in-kvm.patch: add iopl() back so
    vmmouse_detect will work in kvm again.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg-input-vmmouse 1:12.6.5-4ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-18.27-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-18-generic x86_64
Architecture: amd64
CurrentDmesg: [   16.901084] eth0: no IPv6 routers present
Date: Thu Apr  1 01:53:32 2010
DkmsStatus: Error: [Errno 2] No such file or directory
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
Lsusb: Error: command ['lsusb'] failed with exit code 1:
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-18-generic root=UUID=38e6f1bb-c94a-4683-9951-fc0b49f6f23e ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: xserver-xorg-input-vmmouse
dmi.bios.date: 01/01/2007
dmi.bios.vendor: QEMU
dmi.bios.version: QEMU
dmi.chassis.type: 1
dmi.modalias: dmi:bvnQEMU:bvrQEMU:bd01/01/2007:svn:pn:pvr:cvn:ct1:cvr:
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       x86_64
 kernel:             2.6.32-18-generic

** Affects: xserver-xorg-input-vmmouse (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug lucid

-- 
[lucid kvm-qemu]High cpu usage when moving mouse
https://bugs.launchpad.net/bugs/553081
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