On Fri, Dec 09, 2016 at 09:32:17AM -0700, Nathan Friess wrote:
> On 16-12-09 07:46 AM, Roger Pau Monné wrote:
> > Hello,
> > 
> > Sorry for the delay, there was a huge can of worms behind this. I have a
> > solution, but it requires patching both Xen and the FreeBSD kernel. Please 
> > bear
> > with me, I will send those patches once ready.
> It sounds like you might know this already, but I did some more digging and
> here is what I can see so far...
> The important command is "xl devd".  Running that under truss, it is trying
> to open /dev/xen/xenbus and that was the cause of the No such file error.
> It looks like the 10.3 tools used to open /dev/xen/xenstore instead.
> I can get around this by exporting XENSTORED_PATH="/dev/xen/xenstore".
> Now xl devd is stuck at:
> libxl: error: libxl_event.c:639:libxl__ev_xswatch_register: create watch for
> path /local/domain/7/backend: Invalid argument
> So it seems like an API issue with asking the kernel or dom0 to set a watch
> for new backend devices.

Yes, the current xenstore user-space device on FreeBSD is missing the ability 
register xenstore watches. As said, I will hopefully be able to send the 

Thanks, Roger.
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