Re: [Xen-devel] Xen 4.0.1-rc4 and stable 2.6.32.x pvops won't start xend

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Jul 19, 2010 at 02:48:37PM -0700, Rose, Gregory V wrote:
> When I try to start xend I get the following error messages:
> 
> ERROR Internal error: Could not obtain handle on privileged command interface 
> (2 = No such file or directory)
> Traceback (most recent call last):
>   File "/usr/sbin/xend", line 36, in <module>
>     from xen.xend.server import SrvDaemon
>   File "usr/lib64/python2.6/site-packages/xen/xend/server/SrvDaemon.py", line 
> 26, in <module>
>   File "usr/lib64/python2.6/site-packages/xen/xend/server/relocate.py", line 
> 28, in <module>
>   File "usr/lib64/python2.6/site-packages/xen/xend/XendDomain.py", line 36, 
> in <module>
>   File "usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py", line 
> 20, in <module>
>   File "usr/lib64/python2.6/site-packages/xen/xend/image.py", line 46, in 
> <module>
> xen.lowlevel.xc.Error: (1, 'Internal error', 'Could not obtain handle on 
> privileged command interface (2 = No such file or directory)')
> 
> ----------------------
> 
> I saw some posts to the xen-devel archive from the late June timeframe that 
> discuss a similar error message but when I went to look at the xc_private.c 
> source file it doesn't look anything like the file mentioned in the emails.
> 
> http://lists.xensource.com/archives/html/xen-devel/2010-06/msg01519.html
> 
> Anyone have any idea what's going on?  The 2.6.31.13 pvops kernel works fine.
> 

I think this has been discussed multiple times recently on this list..
I've been on vacation, so I haven't followed very closely, so I can't point you 
to the correct answer :)

First check the "Xend (and/or xenstored) does not start when using pv_ops dom0 
kernel?" section from
http://wiki.xensource.com/xenwiki/XenParavirtOps

Does that help? 

-- Pasi



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