[libvirt] Eventtest unit test failure

Soren Hansen soren at ubuntu.com
Mon Nov 30 21:17:55 UTC 2009

On Mon, Nov 30, 2009 at 10:26:12AM +0000, Daniel P. Berrange wrote:
>> I've changed the libvirt package in Ubuntu to run the test suite with
>> every build. However, on our build daemons, the eventtest unit test
>> seems to almost[1] consistently fail. You can see an example build
>> log here:
>>    http://launchpadlibrarian.net/36196282/buildlog_ubuntu-lucid-amd64.libvirt_0.7.0-1ubuntu15_FAILEDTOBUILD.txt.gz
>> Does this look familiar to anyone? Any idea what might be causing
>> this?  FWIW, I cannot reproduce it locally, so it's likely
>> environmental, but at this point, I don't really know where to begin
>> to look.
> What HZ setting are the kernels on the problem host running with ?
> IIRC we had someone else report a problem with this test suite on a
> kernel built with HZ=100, rather than the more common HZ=1000

Ah, indeed they are running with HZ=100.

So this is a known problem? Is there a known fix?

Soren Hansen                 | 
Lead virtualisation engineer | Ubuntu Server Team
Canonical Ltd.               | http://www.ubuntu.com/
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