Blame SOURCES/0131-UPBZ-1259831-lock-retry.patch

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---
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 multipathd/main.c |   11 ++++++++++-
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 1 file changed, 10 insertions(+), 1 deletion(-)
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Index: multipath-tools-130222/multipathd/main.c
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===================================================================
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--- multipath-tools-130222.orig/multipathd/main.c
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+++ multipath-tools-130222/multipathd/main.c
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@@ -462,6 +462,7 @@ ev_add_path (struct path * pp, struct ve
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 	char params[PARAMS_SIZE] = {0};
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 	int retries = 3;
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 	int start_waiter = 0;
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+	int ret;
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 	/*
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 	 * need path UID to go any further
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@@ -540,7 +541,15 @@ rescan:
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 	/*
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 	 * reload the map for the multipath mapped device
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 	 */
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-	if (domap(mpp, params) <= 0) {
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+retry:
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+	ret = domap(mpp, params);
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+	if (ret <= 0) {
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+		if (ret < 0 && retries-- > 0) {
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+			condlog(0, "%s: retry domap for addition of new "
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+				"path %s", mpp->alias, pp->dev);
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+			sleep(1);
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+			goto retry;
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+		}
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 		condlog(0, "%s: failed in domap for addition of new "
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 			"path %s", mpp->alias, pp->dev);
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 		/*