[Xen-devel] xm create can't find /proc/xen/balloon

[Michael David Crawford <mdc@xxxxxxxxx>]

I have the latest git sources of xen, ioemu and linux.  I just now did a 
"git pull" in each just to be sure.
When I do an "xm create" I get:

   Error: [Errno 2] No such file or directory: '/proc/xen/balloon'

Searching the list archives told me that this is most commonly caused by 
not having enough memory available for the DomU, but I have fixed that.
I'm pretty sure the problem is that the paravirt_ops Linux kernel puts 
its balloon in sysfs and not procfs.  So I applied Jeremy's patch found 
here:
  http://lists.xensource.com/archives/html/xen-devel/2008-11/msg00358.html

... then rebuilt and rebooted.  But I still get the message.

However, that patch changes a file in xend's sources.

Does xm need a similar patch - or should xm be looking at that same 
python module in xend's directory?  I don't know the codebase well 
enough to figure it out yet, though I'll be investigating while I await 
your responses.
Thanks for your help,

Mike
--
Michael David Crawford
mdc@xxxxxxxxx

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