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[Qemu-devel] [Bug 680758] [NEW] balloon only resizes by 2M
From: |
Michael Thomas |
Subject: |
[Qemu-devel] [Bug 680758] [NEW] balloon only resizes by 2M |
Date: |
Wed, 24 Nov 2010 03:47:09 -0000 |
Public bug reported:
when in monitor and running balloon 512 from a 1024M VM, the vm dropped
the size to 1020 (this value changes), then every subsequent request to
balloon 512 will drop it by another 2M. The system was running at above
60% RAM free when these requests were made. also requesting to up the
ram results in no change above 1024 (I'm guessing this is intentional,
but was unable to find any documentation)
Versions:
qemu-kvm 0.13.0
qemu-kvm.git b377474e589e5a1fe2abc7b13fafa8bad802637a
Qemu Command Line:
./x86_64-softmmu/qemu-system-x86_64 -drive
file=/var/machines/seven.base,if=virtio -net
nic,model=virtio,macaddr=02:00:00:00:00:01 -net tap,script=/etc/qemu
/qemu-ifup,downscript=/etc/qemu/qemu-ifdown -vga std -usb -usbdevice
tablet -rtc base=localtime,clock=host -watchdog i6300esb -balloon virtio
-m 1024 -no-quit -smp 2 -monitor stdio
Monitor Session:
QEMU 0.13.50 monitor - type 'help' for more information
(qemu) info balloon
balloon: actual=1024
(qemu) balloon 1536
(qemu) info balloon
balloon: actual=1024
(qemu) balloon 512
(qemu) info balloon
balloon: actual=1020
(qemu) info balloon
balloon: actual=1020
(qemu) balloon 512
(qemu) info balloon
balloon: actual=1018
** Affects: qemu
Importance: Undecided
Status: New
** Description changed:
when in monitor and running balloon 512 from a 1024M VM, the vm dropped
the size to 1020 (this value changes), then every subsequent request to
balloon 512 will drop it by another 2M. The system was running at above
60% RAM free when these requests were made. also requesting to up the
ram results in no change above 1024 (I'm guessing this is intentional,
but was unable to find any documentation)
Versions:
qemu-kvm 0.13.0
qemu-kvm.git b377474e589e5a1fe2abc7b13fafa8bad802637a
-
Qemu Command Line:
- ./x86_64-softmmu/qemu-system-x86_64 -ees/seven.base,if=virtio -net
+ ./x86_64-softmmu/qemu-system-x86_64 -drive
+ file=/var/machines/seven.base,if=virtio -net
nic,model=virtio,macaddr=02:00:00:00:00:01 -net tap,script=/etc/qemu
/qemu-ifup,downscript=/etc/qemu/qemu-ifdown -vga std -usb -usbdevice
tablet -rtc base=localtime,clock=host -watchdog i6300esb -balloon virtio
-m 1024 -no-quit -smp 2 -monitor stdio
-
Monitor Session:
QEMU 0.13.50 monitor - type 'help' for more information
(qemu) info balloon
balloon: actual=1024
(qemu) balloon 1536
(qemu) info balloon
balloon: actual=1024
(qemu) balloon 512
(qemu) info balloon
balloon: actual=1020
(qemu) info balloon
balloon: actual=1020
(qemu) balloon 512
(qemu) info balloon
balloon: actual=1018
--
balloon only resizes by 2M
https://bugs.launchpad.net/bugs/680758
You received this bug notification because you are a member of qemu-
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Status in QEMU: New
Bug description:
when in monitor and running balloon 512 from a 1024M VM, the vm dropped the
size to 1020 (this value changes), then every subsequent request to balloon 512
will drop it by another 2M. The system was running at above 60% RAM free when
these requests were made. also requesting to up the ram results in no change
above 1024 (I'm guessing this is intentional, but was unable to find any
documentation)
Versions:
qemu-kvm 0.13.0
qemu-kvm.git b377474e589e5a1fe2abc7b13fafa8bad802637a
Qemu Command Line:
./x86_64-softmmu/qemu-system-x86_64 -drive
file=/var/machines/seven.base,if=virtio -net
nic,model=virtio,macaddr=02:00:00:00:00:01 -net
tap,script=/etc/qemu/qemu-ifup,downscript=/etc/qemu/qemu-ifdown -vga std -usb
-usbdevice tablet -rtc base=localtime,clock=host -watchdog i6300esb -balloon
virtio -m 1024 -no-quit -smp 2 -monitor stdio
Monitor Session:
QEMU 0.13.50 monitor - type 'help' for more information
(qemu) info balloon
balloon: actual=1024
(qemu) balloon 1536
(qemu) info balloon
balloon: actual=1024
(qemu) balloon 512
(qemu) info balloon
balloon: actual=1020
(qemu) info balloon
balloon: actual=1020
(qemu) balloon 512
(qemu) info balloon
balloon: actual=1018