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[Xen-changelog] [xen-unstable] Fix xm dump-core command for paused domain.



# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1189782438 -3600
# Node ID 9a7cbde124a500e8ac5f713fb282fa6e76b06db2
# Parent  9f4f7023304176283faf8edc6a3d4260e5a99763
Fix xm dump-core command for paused domain.
Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
---
 tools/python/xen/xend/XendDomain.py |   15 +++++++++++----
 tools/python/xen/xm/main.py         |    4 ++--
 2 files changed, 13 insertions(+), 6 deletions(-)

diff -r 9f4f70233041 -r 9a7cbde124a5 tools/python/xen/xend/XendDomain.py
--- a/tools/python/xen/xend/XendDomain.py       Fri Sep 14 16:05:39 2007 +0100
+++ b/tools/python/xen/xend/XendDomain.py       Fri Sep 14 16:07:18 2007 +0100
@@ -1176,12 +1176,16 @@ class XendDomain:
             log.exception("domain_unpause")
             raise XendError(str(ex))
 
-    def domain_pause(self, domid):
+    def domain_pause(self, domid, state=False):
         """Pause domain execution.
 
         @param domid: Domain ID or Name
         @type domid: int or string.
-        @rtype: None
+        @keyword state: If True, will return the domain state before pause
+        @type state: bool
+        @rtype: int if state is True
+        @return: Domain state (DOM_STATE_*)
+        @rtype: None if state is False
         @raise XendError: Failed to pause
         @raise XendInvalidDomain: Domain is not valid
         """        
@@ -1191,13 +1195,16 @@ class XendDomain:
                 raise XendInvalidDomain(str(domid))
             if dominfo.getDomid() == DOM0_ID:
                 raise XendError("Cannot pause privileged domain %s" % domid)
-            if dominfo._stateGet() not in (DOM_STATE_RUNNING, 
DOM_STATE_PAUSED):
+            ds = dominfo._stateGet()
+            if ds not in (DOM_STATE_RUNNING, DOM_STATE_PAUSED):
                 raise VMBadState("Domain '%s' is not started" % domid,
                                  POWER_STATE_NAMES[DOM_STATE_RUNNING],
-                                 POWER_STATE_NAMES[dominfo._stateGet()])
+                                 POWER_STATE_NAMES[ds])
             log.info("Domain %s (%d) paused.", dominfo.getName(),
                      int(dominfo.getDomid()))
             dominfo.pause()
+            if state:
+                return ds
         except XendInvalidDomain:
             log.exception("domain_pause")
             raise
diff -r 9f4f70233041 -r 9a7cbde124a5 tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py       Fri Sep 14 16:05:39 2007 +0100
+++ b/tools/python/xen/xm/main.py       Fri Sep 14 16:07:18 2007 +0100
@@ -1287,13 +1287,13 @@ def xm_dump_core(args):
         filename = None
 
     if not live:
-        server.xend.domain.pause(dom)
+        ds = server.xend.domain.pause(dom, True)
 
     try:
         print "Dumping core of domain: %s ..." % str(dom)
         server.xend.domain.dump(dom, filename, live, crash)
     finally:
-        if not live:
+        if not live and ds == DOM_STATE_RUNNING:
             server.xend.domain.unpause(dom)
 
     if crash:

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