I'm running a Windows 7 guest under qemu-kvm on OI 151 and have a few problems:
1. clock drift - this seems really bad, losing about 30 minutes in an hour.
2. very slow networking from the guest to the rest of the network.
My script for starting the vm is like this:
VNIC=vnic2
MAC=$(dladm show-vnic -po macaddress $VNIC)
/usr/bin/qemu-kvm \
-boot order=cd \
-runas matt \
-enable-kvm \
-smp 2 \
-m 2048 \
-no-hpet \
-localtime \
-drive file=$DISK0,if=ide,index=0 \
-drive file=$DISK1,if=ide,index=1 \
-drive file=$CDROM,media=cdrom,if=ide,index=2 \
-net nic,vlan=0,name=net0,model=e1000,macaddr=$MAC \
-net vnic,vlan=0,name=net0,ifname=$VNIC,macaddr=$MAC \
-usbdevice tablet \
-vga std -vnc 0.0.0.0:2
The network issues seems to be only outgoing packets. The guest VM can connect
to the internet and local servers and download at reasonable speeds, but
running any kind of service on the machine appears so slow that they time out
to other devices on the network. I've tested this out with RDP, HTTP (wamp) and
file sharing - all services appear online and connections succeed, but they are
so slow they eventually fail (timeout).
For example, copying a 200MB file from a network drive into the Windows guest
takes about 5 seconds. Copying the same file back to the server looks like it
will take 15 hours.
Network bandwidth to the OI host is fine, and using VNC (from qemu) is snappy
as can be. Additionally none of these problems can be seen running a linux
guest virtual machine.
Has anyone experienced these problems?
Thanks,
Matt
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