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Bug 843351 - [virtio-win][balloon]when balloon value was set to 01000/002000 in monitor the info balloon gave improper values
Summary: [virtio-win][balloon]when balloon value was set to 01000/002000 in monitor th...
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.4
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: ---
Assignee: Luiz Capitulino
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-07-26 06:06 UTC by Min Deng
Modified: 2012-07-26 08:32 UTC (History)
10 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-07-26 08:32:08 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Min Deng 2012-07-26 06:06:40 UTC 
Description of problem:
  QE set balloon value to '01000' from monitor,as there was no any error message for it.QE take it as '1000'.if so,the info balloon should be 1000 but it was 882 or 890 (not 1000).If 'balloon 1000' directly,the feedback value was 1000.
  If we don't support 0xxxx or 00xxxx or 000xxxx... format we had better forbid it and give warning messages.Otherwise,please give correct values.

Version-Release number of selected component (if applicable):
virtio-win-prewhql-01-30

How reproducible:
Always,

Steps to Reproduce:

1.Boot up guest - 
  /usr/libexec/qemu-kvm -cpu Penryn,+x2apic,family=0xf -smp 6 -m 4G -device virtio-balloon-pci,id=balloon0 -k en-us -usb -device usb-tablet,id=tablet0 -device intel-hda,id=sound0 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -drive file=/home/win7-32.qcow2,format=qcow2,cache=none,if=none,werror=stop,rerror=stop,id=drive-disk0,media=disk -device ide-drive,drive=drive-disk0,id=disk0,bootindex=2 -netdev tap,id=hostnet0,vhost=on,script=/etc/qemu-ifup -device e1000,netdev=hostnet0,id=net0 -device virtio-serial-pci,id=virtio-serial0,max_ports=16,vectors=4,bus=pci.0 -chardev socket,server,host=0.0.0.0,port=12345,id=channel0,nowait -device virtserialport,chardev=channel0,nr=1,id=serialport.1,name=org.linux-kvm.port0,bus=virtio-serial0.0 -rtc base=utc,clock=host,driftfix=slew -name winxp -spice port=5930,disable-ticketing -vga qxl -uuid 43c1afba-2d72-4c71-a984-51dac0e588ca -monitor stdio -drive file=/home/en_windows_7_ultimate_with_sp1_x86_dvd_619077.iso,format=raw,if=none,media=cdrom,id=drive-ide0-1-0 -device ide-drive,drive=drive-ide0-1-0,id=ide-drive0,bootindex=1 -drive file=/usr/share/virtio-win/virtio-win-1.5.3.iso,media=cdrom,cache=none,werror=stop,format=raw -fda /usr/share/virtio-win/virtio-win-1.5.3.vfd -chardev socket,id=111a,path=/tmp/monitor-732,server,nowait -mon chardev=111a,mode=readline -bios /usr/share/seabios/bios-pm.bin

2.From monitor,
(qemu) balloon 01000 
(qemu) info balloon
balloon: actual=890
  
Actual results:
Neither warning message nor proper value could be found.

Expected results:
If we consider 0xxxxx or 00xxx ... as legal value please provided correct value for balloon.if not,please show an warning message.

Additional info:
****************************************************************************
Another example for 000xxxxx
(qemu) balloon 0002000
(qemu) info balloon
balloon: actual=2868
(qemu) info balloon
balloon: actual=2704
(qemu) info balloon
balloon: actual=2552
(qemu) info balloon
balloon: actual=1024
(qemu) info balloon
balloon: actual=1024

When we set balloon value is 0002000 it was set to 1024 actually.So please double check the issue.Any issues please let me know.Thanks
******************************************************************************
Comment 1 Mike Cao 2012-07-26 06:10:23 UTC 
dengmin ,we does not  support hmp officially,
Could you try to reproduce it w/  QMP ?
Comment 2 Min Deng 2012-07-26 07:31:03 UTC 
The issue cannot be found in QMP it is special issue for hmp.
Comment 3 Ronen Hod 2012-07-26 08:32:08 UTC 
Closing.
HMP is not officially supported.
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