Subject: Re: [vserver] Guest hostname overwrites the hostname of the host
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Wed, 16 Sep 2009 21:55:17 +0200

On Wed, Sep 16, 2009 at 08:57:33PM +0200, Jozsef Kadlecsik wrote:
> On Wed, 16 Sep 2009, Herbert Poetzl wrote:

> > > The guest hostname somehow overwrites the hostname of the host...

> > yes, this is, because your guest isolation is not
> > working properly, the uts namespace is only one
> > aspect you happen to see

> Double-checking my kernel config, I see that PID and net namespace 
> supports were not compiled in. I think those should be enabled too, 
> shouldn't it?

both spaces are not used by default, so they are not
required for Linux-VServer, otherwise they would have
been auto-selected

> > > Is there a fix available for this strange bug?

> > yes, upgrade util-vserver to a recent version,
> > preferably the latest one, and the issue will go
> > away, alternatively you can downgrade util-vserver
> > to 0.30.212 or older and the isolation will work
> > too, but you'll lose some other features available
> > in your kernel ...

> > note: 0.30.215 will not work either, you need one
> > of the later 0.30.216-pre28xx snapshots

> > alternatively you can downgrade your kernel too
> > of course ... (e.g. to the strable branch)

> I'll try the util-vserver prerelease. Or do you suggest to use the 
> stable branch instead? ;-) Except this issue, the experimental branch 
> seems to work fine, but it has to be run as a service after the test 
> period.

if you encounter any issue with the experimental branch,
let us know, we'll fix it ASAP ...

best,
Herbert

> Best regards,
> Jozsef
> -
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