From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: xend start error
Date: Tue, 17 Feb 2009 15:06:02 -0800
Message-ID: <499B42DA.4060405@goop.org>
References: <20090217123319.vxacc1ujxcc4woko@www.destar.net>
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jonr@destar.net wrote:
> Hello,
>
> uname -a
> Linux null 2.6.29-rc5-tip-01984-g5812263 #1 SMP Tue Feb 17 07:28:09 
> AKST 2009 i686 GNU/Linux
>
> I have followed Boris' guide at:  
> http://bderzhavets.wordpress.com/2009/02/17/setup-xen-unstable-dom0-via-2629-rc5-pv_ops-enabled-kernel-on-intel-sataahci/ 
> and after I reboot into the new rc5 kernel and try to start xend, I am 
> getting this error:
>
> xend start
> 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 44, in <module>
>     from xen.xend.server import SrvDaemon
>   File "//usr/lib/python/xen/xend/server/SrvDaemon.py", line 26, in 
> <module>
>     import relocate
>   File "//usr/lib/python/xen/xend/server/relocate.py", line 28, in 
> <module>
>     from xen.xend import XendDomain
>   File "//usr/lib/python/xen/xend/XendDomain.py", line 35, in <module>
>     from xen.xend import XendOptions, XendCheckpoint, XendDomainInfo
>   File "//usr/lib/python/xen/xend/XendCheckpoint.py", line 20, in 
> <module>
>     from xen.xend import balloon, sxp, image
>   File "//usr/lib/python/xen/xend/image.py", line 44, in <module>
>     xc = xen.lowlevel.xc.xc()
> xen.lowlevel.xc.Error: (1, 'Internal error', 'Could not obtain handle 
> on privileged command interface (2 = No such file or directory)')
>
> The only thing I think might be wrong is I did it in the wrong order. 
> Would installing the kernel first then Xen be an issue?

It looks like you need to add

xenfs            /proc/xen        xenfs    defaults    0 0

to your /etc/fstab.

    J