RE: [Xen-users] Re: Ubuntu as xen guest?

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Tim Post
> Sent: 20 April 2007 05:16
> To: Andy Smith
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Re: Ubuntu as xen guest?
> 
> On Fri, 2007-04-20 at 04:04 +0000, Andy Smith wrote:
> > On Fri, Apr 20, 2007 at 12:53:52PM +1000, Matt Palmer wrote:
> > > On Fri, Apr 20, 2007 at 12:47:49PM +1200, Steve Wray wrote:
> > > > we have a persistent problem with Ubuntu as a DomU.
> > > > 
> > > > Despite the fact that it has libc6-xen libraries 
> installed and /lib/tls
> > > > moved aside, we still get these sorts of message:
> > > > 
> > > > 4gb seg fixup, process init (pid 1), cs:ip 73:b7e1b236
> > > 
> > > I'd guess that your initrd has a non-Xen libc in it.
> > 
> > Is it not the case that init is statically linked to a non-xen libc?
> > I see this on my ubuntu domUs also, I don't use initrds and I do
> > have libc6-xen installed.  I only see it for init (pid 1) and don't
> > seem to experience any slowdown.
> > 
> > So basically I was under the impression that seeing this for init is
> > expected and harmless.  Is this not the case?
> 
> mkinitramfs just copies everything over from /lib from 
> wherever you ran
> it. So , if you built the initrd prior to installing xen 
> glibc, then you
> have the old version on your initrd. It will throw a warning 
> either way.
> 
> Probably safe to ignore.

I agree with that, but I would also point out that Andy Smith's comment
is correct: "init" us always built with static linkage, meaning that the
"init" image uses whatever library model it originally was built with -
so unless you also REBUILD init after you've installed no-TLS libraries,
the error message will be there (and can be ignored as init isn't
exactly a highly used process in the system). 

--
Mats
> 
> Best,
> --Tim
> 
> > Cheers,
> > Andy
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> 



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