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[Bug 1584597] Re: Hyper-V Memory Ballooning re-broken in 16.04
Per https://technet.microsoft.com/en-us/library/dn531029.aspx the
recommended kernel and tools to load is as follows:
# apt-get update
# apt-get install --install-recommends linux-virtual-lts-xenial
# apt-get install --install-recommends linux-tools-virtual-lts-xenial linux-cloud-tools-virtual-lts-xenial
Of course, it has to be rebooted after this... I *don't* recreate the
problem when I do this... but I did recreate it on a VM that had been
running for a couple weeks.
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Hyper-V Memory Ballooning re-broken in 16.04
Status in linux package in Ubuntu:
Status in linux source package in Xenial:
Regression: #1294283 fixed memory ballooning in Hyper-V in 14.04, but
the bug has returned in 16.04.
Steps to reproduce:
1. Create Gen2 Hyper-V VM
2. Install Ubuntu 16.04
3. modprobe hv_balloon
Memory usage according to Hyper-V Manager will not change
This has been reproduced on 2 fresh Ubuntu Server 16.04 instances.
I installed linux-generic-xenial on a 14.04 instance, rebooted,
modprobe'd hv_balloon and memory usage in Hyper-V Manager reduced to
the correct level.
Host: Windows NanoServer 2016
Ubuntu Server 16.04 version_signature: `Ubuntu 4.4.0-21.37-generic 4.4.6`
Ubuntu Server 14.04 version_signature: `Ubuntu 4.4.0-22.40~14.04.1-generic 4.4.8`
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