[Xen-devel] [PATCH 3 of 3] xencommons: Wait for xenstored to start before setting dom0 name

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On one of my boxes, the xenstore-write setting dom0's name starts
before xenstored is actually ready to handle the connection properly,
resulting in the name set failing.  Wait for xenstored to be up and
responding to reads before continuing.

Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

diff -r 9781a01f6ccb -r 60688cd86c83 tools/hotplug/Linux/init.d/xencommons
--- a/tools/hotplug/Linux/init.d/xencommons     Mon Jun 28 13:24:26 2010 +0100
+++ b/tools/hotplug/Linux/init.d/xencommons     Mon Jun 28 13:24:26 2010 +0100
@@ -44,8 +44,15 @@
                rm -f "$XENSTORED_ROOTDIR"/tdb* &>/dev/null
                test -z "$XENSTORED_TRACE" || XENSTORED_ARGS=" -T 
/var/log/xen/xenstored-trace.log"
 
-               echo Starting xenstored...
+               echo -n Starting xenstored...
                xenstored --pid-file=$XENSTORED_PIDFILE $XENSTORED_ARGS
+
+                while ! `xenstore-read -s / >/dev/null 2>&1` ; do
+                        echo -n .
+                        sleep 1
+                done
+               echo
+
                echo Setting domain 0 name...
                xenstore-write "/local/domain/0/name" "Domain-0"
        fi

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