Re: [Vserver] Host and guest compatability

From: Daniel Hokka Zakrisson <daniel_at_hozac.com>
Date: Tue 15 Aug 2006 - 01:33:33 BST
Message-ID: <44E1165D.9070103@hozac.com>

Jim Wight wrote:
> To what extent do the host and the guest have to be compatible? I'm
> getting this when trying to start a Fedora Core 5 guest on an FC4 host:
>
> # vserver fc5 start
> /usr/bin/env: /lib/libc.so.6: version `GLIBC_2.4' not found (required by /usr/bin/env)
>
> An error occured while executing the vserver startup sequence; when
> there are no other messages, it is very likely that the init-script
> (/etc/rc.d/rc 3) failed.
>
> Common causes are:
> * /etc/rc.d/rc on Fedora Core 1 and RH9 fails always; the 'apt-rpm' build
> method knows how to deal with this, but on existing installations,
> appending 'true' to this file will help.
>
>
> Failed to start vserver 'fc5'
>
>
> FC5 has glibc 2.4 whereas FC4 has glibc 2.3. Is that really the problem,
> or is the message a side-effect of some other problem?

Given that env should be called before the chroot happens, that ought to
be the env of the host, not the guest, so this should just be a really
weird side-effect.

> My setup is 2.6.14.3-vs2.0.1 with 0.30.210. The vserver was created by
> dumping an installation on hardware and restoring it to /vservers/fc5
> and then:

One of my FC4 hosts is using 2.6.17-1.2142_FC4.vs2.0.2.0.rc26.1smp with
util-vserver-0.30.210-20.fc4, and it can run FC5 guests without any
problems. Any chance you could try with the RPMs? (I'll try to reproduce
your issue once I get FC4 installed on the test box).

-- 
Daniel Hokka Zakrisson
GPG id: 06723412
GPG fingerprint: A455 4DF3 990A 431F FECA  7947 6136 DDA2 0672 3412
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