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Description of problem:
Found this bug when replied bug 949900.
According to Bug 1111107 that Q35 is no longer "tech preview" in RHEL7.x and is simply now unsupported (it will only be in qemu-kvm-rhev). And checked with Amit in IRC that both (q35 and s3/s4) are techpreview, S3/S4 was enable by default under Q35 chipset which no need to sepcify "-global PIIX4_PM.disable_s3=0 -global PIIX4_PM.disable_s4=0" in qemu-kvm command line.
Version-Release number of selected component (if applicable):
# uname -r && rpm -q qemu-kvm-rhev
3.10.0-211.el7.x86_64
qemu-kvm-rhev-2.1.2-14.el7.x86_64
guest info:
win7 64bit
How reproducible:
100%
Steps to Reproduce:
1.Launch a win7 KVM guest with "spice + qxl" under Q35 chipset without "-global PIIX4_PM.disable_s3=0 -global PIIX4_PM.disable_s4=0" specified in command line.
# /usr/libexec/qemu-kvm -S -M q35 -cpu SandyBridge -enable-kvm -m 4096 -smp 2,sockets=2,cores=1,threads=1 -no-kvm-pit-reinjection -name sluo-test -uuid ed09fa10-6ffe-4811-a42f-0294afcb5a42 -rtc base=localtime,clock=host,driftfix=slew -drive file=/home/rhel7-64.qcow2,if=none,id=drive-system-disk,format=qcow2,cache=none,aio=native,werror=stop,rerror=stop,serial=QEMU-DISK1 -device virtio-blk-pci,drive=drive-system-disk,id=system-disk,bus=pcie.0,addr=0x04,bootindex=1 -netdev tap,id=hostnet0,vhost=off,script=/etc/qemu-ifup -device virtio-net-pci,netdev=hostnet0,id=virtio-net-pci0,mac=08:2e:5f:0a:0d:b1,bus=pcie.0,addr=0x5,bootindex=2 -balloon none -usb -device usb-tablet,id=input0 -serial unix:/tmp/ttyS0,server,nowait -qmp tcp:0:4444,server,nowait -k en-us -boot menu=on -spice disable-ticketing,port=5931 -vga qxl -monitor stdio
Actual results:
after step 1, the Sleep and Hibernate button was grayer which cann't hit at all.
If append "-global PIIX4_PM.disable_s3=0 -global PIIX4_PM.disable_s4=0" in qemu command line, the Sleep and Hibernate button was ok to hit, but QEMU will prompt a warning message.
e.g:...-global PIIX4_PM.disable_s3=0 -global PIIX4_PM.disable_s4=0 -spice disable-ticketing,port=5931 -vga qxl -monitor stdio
Warning: option deprecated, use lost_tick_policy property of kvm-pit instead.
QEMU 2.1.2 monitor - type 'help' for more information
(qemu) qemu-kvm: Warning: "-global PIIX4_PM.disable_s3=0" not used
qemu-kvm: Warning: "-global PIIX4_PM.disable_s4=0" not used
Expected results:
It shouldn't have any effect on q35 chipset.
Additional info:
Rhel7.1 guest + spice + qxl did not hit this issue which no need to enable it by manual in command line.