Re: [Xen-users] Xen installation : Python C API mismatch

["Antoine Benkemoun" <antoine.benkemoun@xxxxxxxxx>]

Thank you for your quick answer.

I installed the 3.1.0 binaries on a Lenny Sid installed. I followed the "Perfect Xen 3.0 install" tutorial to the letter.

I have the possibility to install from sources but I am somewhat afraid to do so... Can it crash the machine if installed ontop a previous install ? Basically, the machine not rebooting correctly wins me a trip to the datacentre and that's not fun :P

Is it possible to uninstall a previous Xen install so it doesn't mess up everything ?

On Thu, Jul 17, 2008 at 9:02 PM, Mark Williamson <mark.williamson@xxxxxxxxxxxx> wrote:

These errors typically happen when the Xen code was built against a different
version of Python to the one that's available at runtime.  I've actually
found these are often harmless but that's probably not an appropriate risk to
take for a production machine.

Where exactly did you get your install source for Xen from?  Could you just
build Xen yourself rather than using a pre-compiled version?

Cheers,
Mark

On Thursday 17 July 2008, Antoine Benkemoun wrote:
> Hello,
>
> I am trying to install Xen 3.1.0 on a Debian Sid. I have been able to do
> this type of installation correctly with it working perfectly before but I
> have to admit I can't get this one to work.
>
> Here are the error messages that I get at Xen startup :
>
> orangene1-hyp:~# /etc/init.d/xend start
> /usr/lib/python/xen/xend/server/SrvDaemon.py:20: RuntimeWarning: Python C
> API version mismatch for module xen.lowlevel.xc: This Python has API
> version 1013, module xen.lowlevel.xc has version 1012.
>   import xen.lowlevel.xc
> /usr/lib/python/xen/util/security.py:25: RuntimeWarning: Python C API
> version mismatch for module acm: This Python has API version 1013, module
> acm has version 1012.
>   from xen.lowlevel import acm
> /usr/lib/python/xen/xend/xenstore/xsutil.py:8: RuntimeWarning: Python C API
> version mismatch for module xen.lowlevel.xs: This Python has API version
> 1013, module xen.lowlevel.xs has version 1012.
>   import xen.lowlevel.xs
> /usr/lib/python/xen/xend/XendBootloader.py:25: RuntimeWarning: Python C API
> version mismatch for module ptsname: This Python has API version 1013,
> module ptsname has version 1012.
>   from xen.lowlevel import ptsname
> /usr/lib/python/xen/xend/server/SrvDaemon.py:20: RuntimeWarning: Python C
> API version mismatch for module xen.lowlevel.xc: This Python has API
> version 1013, module xen.lowlevel.xc has version 1012.
>   import xen.lowlevel.xc
> /usr/lib/python/xen/util/security.py:25: RuntimeWarning: Python C API
> version mismatch for module acm: This Python has API version 1013, module
> acm has version 1012.
>   from xen.lowlevel import acm
> /usr/lib/python/xen/xend/xenstore/xsutil.py:8: RuntimeWarning: Python C API
> version mismatch for module xen.lowlevel.xs: This Python has API version
> 1013, module xen.lowlevel.xs has version 1012.
>   import xen.lowlevel.xs
> /usr/lib/python/xen/xend/XendBootloader.py:25: RuntimeWarning: Python C API
> version mismatch for module ptsname: This Python has API version 1013,
> module ptsname has version 1012.
>   from xen.lowlevel import ptsname
>
> I have tried to install python from Sid and Lenny versions but none seem to
> change any of this... I have no Python knowledge at all so I would like to
> know if anybody would happen to have an idea concerning this problem.
>
> I will be happy to give you more info if there is something missing in this
> post.
>
> Thank you in advance for your help,
>
> Antoine Benkemoun



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