[Xen-devel] XEN 4.0.2-rc2 - using OCAML xenstored -- xend not starting?

["Yuvraj Agarwal" <yuvraj@xxxxxxxxxxx>]

Hi All, 

I just tried a new installation of Ubuntu 10.04 (64bit) + Xen and am
having some trouble starting XEN. I am using the latest mercurial checkout
(4.0.2-rc2) and the only change I made was to Config.mk to enable building
the OCAML version of xenstored. " CONFIG_OCAML_XENSTORED ?= y". I am using
the same kernel I built earlier for a similar Ubuntu 10.04-64bit / Xen
4.0.0 installation (version 2.6.32.12).  I would like to use the OCAML
version of xenstored since it is supposed to be much better/faster when
starting up a larger number of domUs. 

The system starts up, and I can see xend started up, but when I do "xm
list" or "xm info" I get an error message that xend has not started up? 

root@EM:/etc# xm list
Error: Unable to connect to xend: No such file or directory. Is xend
running?
root@EM:/etc#

root@EM:/etc# ps -efw | grep xen
root        88     2  0 Feb07 ?        00:00:00 [xenwatch]
root        89     2  0 Feb07 ?        00:00:00 [xenbus]
root      6254     1  0 Feb07 ?        00:00:00 /usr/bin/python
/usr/sbin/xend start
root      6255  6254  0 Feb07 ?        00:00:17 /usr/bin/python
/usr/sbin/xend start
root      7043  5919  0 08:55 pts/2    00:00:00 grep --color=auto xen
root@EM:/etc#

root@EM:/etc# uname -a
Linux EM 2.6.32.12 #11 SMP Fri Jun 18 20:52:17 PDT 2010 x86_64 GNU/Linux
root@EM:/etc#

I did check and found two difference with my earlier installation of Xen
4.0.0 with the same kernel (although with the standard xenstored). 
1. The xen 4.0 installation does show a "xenstored" process also running
in addition to these ones. 
2.  "xend" seems to be looking for a directory, " /var/lib/xenstored" that
doesn't seem to exist on my system? 

Any pointers to fix this issue? 

Thanks!
Yuvraj 

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