[Xen-API] xen-ringwatch - NameError: global name 's' is not defined

[<rdartigues.ext@xxxxxxxxxx>]

Good day all,

I'm using XCP release 1.6.10-61809c.
Suddenly today I got flooded by xen-ringwatch:

Traceback (most recent call last):
  File "/usr/sbin/xen-ringwatch", line 593, in ?
    watches.update()
  File "/usr/sbin/xen-ringwatch", line 414, in update
    entry = RingWatch.new(ring)
  File "/usr/sbin/xen-ringwatch", line 357, in new
    state = ring.read()
  File "/usr/sbin/xen-ringwatch", line 136, in read
    state = RingState.from_sysfs(self.path())
  File "/usr/sbin/xen-ringwatch", line 223, in from_sysfs
    req = cls.Req.from_sysfs(_req, size=nr_ents)
  File "/usr/sbin/xen-ringwatch", line 240, in from_sysfs
    raise Exception, "Malformed %s input: %s" % \
NameError: global name 's' is not defined

So I edited the file (should I fill a bug? Is there a bugtracker?):
--- /usr/sbin/xen-ringwatch     2013-07-22 13:52:19.000000000 +0200
+++ /usr/sbin/xen-ringwatch     2013-07-22 13:52:30.000000000 +0200
@@ -238,7 +238,7 @@
             match = cls._pattern.search(line)
             if not match:
                 raise Exception, "Malformed %s input: %s" % \
-                    (cls.__name__, repr(s))
+                    (cls.__name__, repr(line))
 
             i = iter(match.groups())
             for k in i:

Now I can get an error message:
# xen-ringwatch check -T3 --kick
Traceback (most recent call last):
  File "/usr/sbin/xen-ringwatch", line 593, in ?
    watches.update()
  File "/usr/sbin/xen-ringwatch", line 414, in update
    entry = RingWatch.new(ring)
  File "/usr/sbin/xen-ringwatch", line 357, in new
    state = ring.read()
  File "/usr/sbin/xen-ringwatch", line 136, in read
    state = RingState.from_sysfs(self.path())
  File "/usr/sbin/xen-ringwatch", line 223, in from_sysfs
    req = cls.Req.from_sysfs(_req, size=nr_ents)
  File "/usr/sbin/xen-ringwatch", line 240, in from_sysfs
    raise Exception, "Malformed %s input: %s" % \
Exception: Malformed Req input: 'req prod 2291415749 cons -2003551547 event 
2291415750'

Unfortunately I don't understand what has gone wrong... could somebody help me 
there?

Thanks,
Romain.

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