We help IT Professionals succeed at work.

Hyper-V showing max CPU usage for my Ubuntu VM

Hi,

I have Ubuntu 10.04 Server running under Hyper-V on a Windows 2008 R2 server. SSH enabled. Using one Legacy Network Adapter, static IP.

Everything works, but normally once a day it will get 'stuck', chewing up the entire CPU committment for that VM (even when there is no visible activity in the VM itself - using HTOP to monitor it) until the VM is turned off and back on again.

I've tried installing the 'hv_' modules and using a regular Network Adapter (which does work, but same problem crops up) made sure 'ntpdate' is correct, checked the event logs on the VM Host (couldn't see anything obvious there) and tried turning off IPv4 Checksum Offload on the Host's virtual and physical NICs.

Problem still occurring.

Ideas?
Comment
Watch Question

Commented:
First of all, Ubuntu is not a supported guest operating system on Hyper-V. For more information, you can refer to:

 Guest Operating System Support

http://www.microsoft.com/windowsserver2008/en/us/hyperv-supported-guest-os.aspx

And looks like a bug in Ubuntu

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/575392

Author

Commented:
Thanks Vinsin. I'll test in production first couple of days in the coming week and see if it does the trick.

Cheers.

Author

Commented:
That's done it. Thanks!

Explore More ContentExplore courses, solutions, and other research materials related to this topic.