Re: [Xen-devel] xend internal error on 4.0.0-rc6-pre

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Mar 05, 2010 at 06:38:00AM -0700, Nadolski, Ed wrote:
> With Xen 4.0.0-rc6-pre on Fedora 12, I see the following error when trying to 
> start xend:
> 

Does Xen 4.0.0-rc5 work? (from the rpms)

> # python -V
> Python 2.6.2
> # 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 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>
>     import relocate
>   File "/usr/lib64/python2.6/site-packages/xen/xend/server/relocate.py", line 
> 28, in <module>
>     from xen.xend import XendDomain
>   File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomain.py", line 36, 
> in <module>
>     from xen.xend import XendOptions, XendCheckpoint, XendDomainInfo
>   File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py", line 
> 20, in <module>
>     from xen.xend import balloon, sxp, image
>   File "/usr/lib64/python2.6/site-packages/xen/xend/image.py", line 46, 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
> )')
> 

Hmm.. do you have xen-evtchn module loaded? Do you have /proc/xen (xenfs) 
mounted? 

-- Pasi

> This looks very similar to this existing, open bug:
> 
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1436
> 
> It appears this bug was opened 2009-03-21 but the status still shows as 
> 'NEW'.  Does anyone have more info on this?   Is there a workaround?
> 
> Thanks in advance,
> Ed
> 
> PS, here is my Xen/Linux info:
> 
> (XEN) Xen version 4.0.0-rc6-pre (root@) (gcc version 4.4.2 20091027 (Red Hat 
> 4.4.2-7) (GCC) ) Thu Mar  4 21:32:45 MST 2010
> (XEN) Latest ChangeSet: Wed Mar 03 17:41:58 2010 +0000 20997:b8d2a4134a68
> (XEN) Console output is synchronous.
> (XEN) Command line: acpi_skip_timer_override loglvl=all guest_loglvl=all 
> sync_console console_to_ring com1=115200,8n1 console=com1
> 
> [    0.000000] Linux version 2.6.31.6 (root@truckee) (gcc version 4.4.2 
> 20091027 (Red Hat 4.4.2-7) (GCC) ) #1 SMP Thu Mar 4 20:59:13 MST 2010
> [    0.000000] Command line: ro 
> root=UUID=5d34160d-d728-4e6e-b66d-9e1632aa6dd5  LANG=en_US.UTF-8 
> SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us console=hvc0 
> earlyprintk=xen acpi_skip_timer_override
> 
> 
> 
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