2.6.35.11 + qemu-kvm 0.14.0 + Windows XP RDP access = unstable

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Hey all,

I have 9 Windows XP guests running on a KVM host. The host is
Slackware 13.1 x86_64 with kernel 2.6.35.11.

All the guests are being accessed using the built-in RDP server in
Windows XP. This worked perfectly with qemu-kvm 0.13.0, but with
0.14.0 the connection is dropped every 5-10 minutes.

This is the command used to start the guests:

/opt/qemu-0.13.0/bin/qemu-system-x86_64 -name fdacs1sa1_15,
process=fdacs1sa1_15 \
    -pidfile /var/run/kvm/15.pid \
    -drive file=/storage_slow_one/fd_acs2_sa2.raw,snapshot=off,if=virtio,media=disk,cache=none,format=raw,boot=on
\
    -monitor unix:/var/run/kvm/15.monitor,server,nowait \
    -cpu qemu64 \
    -smp 1 \
    -m 512 \
    -k da \
    -vnc :15 \
    -rtc base=localtime,clock=host \
    -tdf \
    -net nic,macaddr=de:ad:be:ef:00:15,model=virtio \
    -net tap,ifname=tap_15,script=no,downscript=no \
    -runas kvm \
    -daemonize \
    -usbdevice tablet

The virtio drivers used are virtio-win-1.1.16.

Access via the qemu-kvm VNC interface does not experience these
connection drops. There are no visible errors in the Windows XP
guests.

Now, since I don't have any issues with qemu-kvm 0.13.0, it is not a
problem for me to go back to using this version instead of the new
0.14.0.

So:
    2.6.35.11 + 0.13.0 = Flawless operation. It just hums along.
    2.6.35.11 + 0.14.0 = The connection to the internal Windows XP RDP
server breaks every 5-10 minutes.

Anybody else who've experienced something similar?

Regards,
Thomas Løcke
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