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[Qemu-devel] [Bug 680758] Re: balloon only resizes by 2M
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [Bug 680758] Re: balloon only resizes by 2M |
Date: |
Wed, 09 Nov 2016 12:32:12 -0000 |
Triaging old bug tickets ... can you still reproduce this issue with the
latest version of QEMU / the latest version of the balloon driver in the
guest?
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/680758
Title:
balloon only resizes by 2M
Status in QEMU:
Incomplete
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
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