[ovs-dev] [PATCH 2/2] brcompat: Print warning when kernel times out waiting for userspace

Justin Pettit jpettit at nicira.com
Wed Mar 3 23:05:00 UTC 2010


---
 datapath/brcompat.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/datapath/brcompat.c b/datapath/brcompat.c
index 92fcecc..b7fb6f8 100644
--- a/datapath/brcompat.c
+++ b/datapath/brcompat.c
@@ -485,8 +485,10 @@ static struct sk_buff *brc_send_command(struct sk_buff *request, struct nlattr *
 
 	/* Wait for reply. */
 	error = -ETIMEDOUT;
-	if (!wait_for_completion_timeout(&brc_done, BRC_TIMEOUT))
+	if (!wait_for_completion_timeout(&brc_done, BRC_TIMEOUT)) {
+		printk(KERN_WARNING "brcompat: timed out waiting for userspace\n");
 		goto error;
+    }
 
 	/* Grab reply. */
 	spin_lock_irqsave(&brc_lock, flags);
-- 
1.6.5.5





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