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).
--
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