On Thu, Dec 15, 2016 at 12:34 PM, Roger Pau Monné <roger....@citrix.com> wrote: > On Mon, Dec 12, 2016 at 10:32:57AM +0000, Roger Pau Monné wrote: >> 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 to >> register xenstore watches. As said, I will hopefully be able to send the >> patches >> soon. > > OK, I finally have this ready, you will need the following patches for > FreeBSD, > which I pushed to my git repo on top of current HEAD: > > git://xenbits.xen.org/people/royger/freebsd.git add_watches_xenstore > > You can either compile a kernel from this branch or pickup the 4 top patches > and apply them to your local tree (I don't think you are going to find any > conflicts even if the tree is stable/11 or 11.0-RELEASE). > > You should also update your xen-tools package to the latest version, I've just > updated it to contain the xenstore device path fix: > > https://svnweb.freebsd.org/ports?view=revision&revision=428628 > > After this is done, it should just be a matter of launching xendriverdomain at > system boot and it should work out of the box. Let me know how this goes. > > Thanks, Roger.
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