Bug 915186

Description of problem:
when run guest(s4) win8-64 guest, after the guest resume, seems the display driver not load normally. the guest display with wrong resolution and have no colour. 

when i using -vga cirrus if works ok, if using std or qxl display error.
Version-Release number of selected component (if applicable):
kernel-3.7.0-0.34.el7.x86_64
qemu-kvm-1.3.0-4.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
1.boot guest with "-vga std" or "-vga qxl" 
2.do guest s4,and then resume the guest.connect with spicec
3.
  
Actual results:
the guest can resume, but the guest can not display normally. the screen with no colour

Expected results:
display normally

Additional info:

qemu-command:
qemu-kvm \
-name 'vm1' \
-nodefaults \
-chardev socket,id=qmp_id_qmpmonitor1,path=/tmp/monitor-qmpmonitor1-20130218-181439-LwkhJejQ,server,nowait \
-mon chardev=qmp_id_qmpmonitor1,mode=control \
-chardev socket,id=serial_id_serial1,path=/tmp/serial-serial1-20130218-181439-LwkhJejQ,server,nowait \
-device isa-serial,chardev=serial_id_serial1 \
-chardev socket,id=seabioslog_id_20130218-181439-LwkhJejQ,path=/tmp/seabios-20130218-181439-LwkhJejQ,server,nowait \
-device isa-debugcon,chardev=seabioslog_id_20130218-181439-LwkhJejQ,iobase=0x402 \
-device ich9-usb-uhci1,id=usb1,bus=pci.0,addr=0x4 \
-drive file='/root/win8-64-virtio.qcow2',if=none,id=drive-virtio-disk1,media=disk,cache=none,snapshot=off,format=qcow2,aio=native \
-device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk1  \
-m 4096 \
-smp 4,maxcpus=4,cores=2,threads=1,sockets=2 \
-cpu 'SandyBridge',+sep \
-device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1 \
-vnc :0 \
-vga cirrus \
-rtc base=localtime,clock=host,driftfix=slew \
-boot order=cdn,once=d \
-enable-kvm \
-device virtio-net,netdev=g_nic1,mac=00:11:22:33:44:66,id='idBD44vM' \
-netdev tap,vhost=on,sndbuf=1048576,id=g_nic1,script=/root/qemu-ifup-switch \
-monitor stdio \
-spice port=3000,disable-ticketing  \
-global PIIX4_PM.disable_s3=0 \
-global PIIX4_PM.disable_s4=0

2. cpuinfo:
[root@intel-e7420-128-1 ~]# lscpu 
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                16
On-line CPU(s) list:   0-15
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             4
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 29
Stepping:              1
CPU MHz:               2127.860
BogoMIPS:              4255.63
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              3072K
L3 cache:              8192K
NUMA node0 CPU(s):     0-15