[libvirt] [PATCH] fix Xen event handling

[Nick Moffitt]

Daniel Veillard:
>  As was reported on IRC and found by Dan Berrange, sometimes Xen event
>  handling could start to go wild and block processing of requests in
> the daemon.
> 
>  The fault at least on libvirt side is that we didn't filter out non
> read/write event requests when asking for watches in the xenstore. The
> provided patch seems to work for the person who reported the original
> problem,

It seems to work, although it may not have solved my problem:

	http://dpaste.com/13740/

There are five backed-up pause requests on this server, and it seems
that four of them may be stuck in the xenstore code (apologies for the
lack of debugging symbols on there.  I really ought to get a debug
package built, or haul over an unstripped version of libxenstore.so 3.2
from somewhere).


-- 
Information gladly given, but safety requires           Nick Moffitt
avoiding unnecessary conversation.                     nick at zork.net