[fedora-virt] laggy mouse on just one client?

Cole Robinson crobinso at redhat.com
Tue Feb 17 23:30:28 UTC 2015


On 02/17/2015 09:44 AM, Dr. Michael J. Chudobiak wrote:
> Hi all,
> 
> I'm running multiple F20 systems. One is serving Windows XP for legacy CAD
> programs, using qemu/kvm launched from the command line like this:
> 
> /usr/bin/qemu-system-x86_64 -machine accel=kvm -hda
> /var/lib/libvirt/images/MikeOfficeXP.img -usbdevice tablet -usb -device
> usb-host,hostbus=3,hostaddr=2 -device usb-host,hostbus=3,hostaddr=3 -parallel
> /dev/parport0 -m 1024 -k en-us -vga qxl -spice port=5931,disable-ticketing
> -net nic,model=rtl8139 -net user -cdrom /dev/cdrom
> 
> I connect from other F20 systems using spicy, or remote desktop viewer.
> 
> The problem is that one client system (and just one) has really sluggish mouse
> performance using both client programs. The mouse pointer is really laggy. The
> other clients are perfect. Swapping mice (which are different models) between
> clients does not help.
> 
> Why would one client have laggy mousing? Any ideas?

I can't really think of a software reason if you're using the same OS and
viewer on all the clients. Maybe some other software running the bad client is
interfering in some way? Or a crappy network connection on the bad client?

- Cole



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