Xen users - Sep 2011 - Error: xm save

Hi List,

I try to save a running VM instance, but I get an error:

toor@node-1:/xen$ sudo xm save 9 tmp.sav
Error: /usr/lib/xen/bin/xc_save 31 9 0 0 0 failed: popen failed
Usage: xm save [-c] <Domain> <CheckpointFile>

Logfile says:

[2011-09-15 11:41:31 1867] DEBUG (XendCheckpoint:124) [xc_save]: 
/usr/lib/xen/bin/xc_save 39 9 0 0 0
[2011-09-15 11:41:31 1867] INFO (XendCheckpoint:423) 
/usr/lib/xen/bin/xc_save: symbol lookup error: /usr/lib/xen/bin/xc_save: 
undefined symbol: xs_suspend_evtchn_port
[2011-09-15 11:41:31 1867] ERROR (XendCheckpoint:178) Save failed on 
domain squeeze.live (9) - resuming.
Traceback (most recent call last):
   File 
"/usr/local/lib/python2.6/dist-packages/xen/xend/XendCheckpoint.py", 
line 146, in save
     forkHelper(cmd, fd, saveInputHandler, False)
   File 
"/usr/local/lib/python2.6/dist-packages/xen/xend/XendCheckpoint.py", 
line 409, in forkHelper
     raise XendError("%s failed: popen failed" % string.join(cmd))
XendError: /usr/lib/xen/bin/xc_save 39 9 0 0 0 failed: popen failed
[2011-09-15 11:41:31 1867] DEBUG (XendDomainInfo:3117) 
XendDomainInfo.resumeDomain(9)
[2011-09-15 11:41:35 1867] DEBUG (XendCheckpoint:124) [xc_save]: 
/usr/lib/xen/bin/xc_save 31 9 0 0 0
[2011-09-15 11:41:35 1867] INFO (XendCheckpoint:423) 
/usr/lib/xen/bin/xc_save: symbol lookup error: /usr/lib/xen/bin/xc_save: 
undefined symbol: xs_suspend_evtchn_port
[2011-09-15 11:41:35 1867] ERROR (XendCheckpoint:178) Save failed on 
domain squeeze.live (9) - resuming.
Traceback (most recent call last):
   File 
"/usr/local/lib/python2.6/dist-packages/xen/xend/XendCheckpoint.py", 
line 146, in save
     forkHelper(cmd, fd, saveInputHandler, False)
   File 
"/usr/local/lib/python2.6/dist-packages/xen/xend/XendCheckpoint.py", 
line 409, in forkHelper
     raise XendError("%s failed: popen failed" % string.join(cmd))
XendError: /usr/lib/xen/bin/xc_save 31 9 0 0 0 failed: popen failed
[2011-09-15 11:41:35 1867] DEBUG (XendDomainInfo:3117) 
XendDomainInfo.resumeDomain(9)


I use Xen 4.0.1 (x64) and Ubuntu 10.04 LTS (x64) with kernel
2 SMP Fri Jul 29 11:22:58 CEST 2011 x86_64 GNU/Linux

Anyone has an idea?
Thank you!

-- 
Se


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Hello Sebastian,

On Thursday 15 September 2011 11:47:48 Sebastian Biedermann
wrote:
> I try to save a running VM instance, but I get an error:
>
...
> [2011-09-15 11:41:31 1867] DEBUG (XendCheckpoint:124) [xc_save]:
> /usr/lib/xen/bin/xc_save 39 9 0 0 0
> [2011-09-15 11:41:31 1867] INFO (XendCheckpoint:423)
> /usr/lib/xen/bin/xc_save: symbol lookup error: /usr/lib/xen/bin/xc_save:
> undefined symbol: xs_suspend_evtchn_port
Your binary is broken: You probably have a newer xc_save binary which was 
linked to a newer library, but on this system you have a old version of that 
library, which is missing the symbol.
If you compiled Xen on your own, remove all old libraries before recompiling.
If you installed the packages of a distribution, make sure they are all 
up-to-date.

Greeting to Darmstadt.

Sincerely
Philipp Hahn
-- 
Philipp Hahn           Open Source Software Engineer      hahn@univention.de
Univention GmbH        Linux for Your Business        fon: +49 421 22 232- 0
Mary-Somerville-Str.1  D-28359 Bremen                 fax: +49 421 22 232-99
                                                   http://www.univention.de/
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auf dem Gemeinschaftsstand der Open Source Business Alliance in Stuttgart in
Halle 3 Stand 3D27-7.


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