From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: domU hang in xenbus_scanf for
 /control/platform-feature-xs_reset_watches
Date: Thu, 21 Aug 2014 18:23:41 +0100
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To: Wei Liu <wei.liu2@citrix.com>
Cc: xen-devel@lists.xenproject.org, manish.jaggi@caviumnetworks.com, manish jaggi <manishjaggi.oss@gmail.com>
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On Thu, 2014-08-21 at 12:54 +0100, Wei Liu wrote:
> On Wed, Aug 20, 2014 at 06:54:26PM +0530, manish jaggi wrote:
> > In xenstore-ls I dont see this node (control node is not there as well)
> > What could be missing here.
> > 
> 
> It's libxl's resposibility to write that node. However libxl should fail
> if it fails to create that node. See libxl_create.c.
> 

But also the guest ought to be robust to that node not being present,
afterall that is the point of a feature-* node...

Ian.

> You can try to increase xl's verbosity to have an idea what went wrong.
> 
> Wei.
> 
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